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http://www.3com.com/ ¨ SuperStack ® II PathBuilder ® S330/S310 WAN Access Switches Reference Guide Release 2.03 Part No. 010-11941-0004 Published December 1998.
3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 Copyright © 1998, 3Com Corporation. All rights reserved. No part of this documentation may be r eproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.
C ONTENTS W ARNING I NFORMATION Servicing ix Rack Mounting ix Power and Power Cords x EMI x Safety Classification of Ports for Connection to T elecommunications Networks x S UPPLEMENTARY R EGULATORY .
Step 4: Connect I/O Cabling 40 Connecting to the T1/E1 UNI Interface 42 Connecting to the Serial Port 42 Connecting to the Ethernet Port 51 Connecting to the OC3/STM-1 Port 52 Connecting to the CBR Mo.
Configuring CTX Buffers 86 Setting Congestion Thresholds 88 Configuring Ports 88 Configuring the T1/E1 Interface 89 Configuring the T1/E1 Ports 89 Activation/Deactivation Bit Error Rates 91 Confi.
Virtual Circuit Parameters 151 Common VIrtual Circuit Parameters 151 MCPU Virtual Circuit Parameters 151 T1/E1 UNI Port Virtual Circuit Parameters 151 OC3/STM-1 Port Virtual Circuit Parameters 151 Ser.
Viewing T1/E1 UNI Card Statistics 186 T1/E1 Port/Link Statistics 187 T1/E1 Group Statistics 188 Viewing OC3/STM-1 Card Statistics 189 Viewing OC3/STM-1 Performance Statistics 189 Viewing OC3/STM-1 A T.
B P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Management CPU 209 CTX Switch 209 CTX Output Queues and Memory Partition 210 Setting up a Virtual Circuit 211 VPI and VCI Ranges 212 Early.
W ARNING I NFORMATION This section contains warning information for AC-powered systems. CAUTION: Use of controls or adjustments of performance or procedures other than those specified herein may result in hazardous radiation exposure. CAUTION: Danger of explosion if battery is incorrectly replaced.
x C HAPTER : W ARNING I NFORMATION Power and Power Cords This equipment is not intended for use with IT power distribution systems whose line to line voltage exceeds 250 V AC RMS defined by EN 60950 as having no direct connection to earth. The PathBuilder S330/S310 will auto-configure for 115 V AC or 220-240 V AC.
S UPPLEMENTARY R EGULATORY I NFORMATION This section describes the compliance of the SuperStack ® II PathBuilder ® S330 and the SuperStack ® II PathBuilder ® S310 W AN access switches (PathBuilder S330/S310) with FCC, Industry Canada, and CE r egulations.
xii C HAPTER : S UPPLEMENTARY R EGULATORY I NFORMATION Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier .
A BOUT T HIS G UIDE About This Guide pr ovides an overview of this guide, tells you wher e to look for specific information, and describes guide conventions.
2 A BOUT T HIS G UIDE Conventions T able 2 and T able 3 list conventions that are used thr oughout this guide. Related Documentation In addition to this guide, the following documentation may help you.
1 S YSTEM D ESCRIPTION This chapter describes the SuperStack ® II PathBuilder ® S330 and SuperStack ® II PathBuilder ® S310 W AN access switches (PathBuilder S330/S310), and lists PathBuilder S330 and PathBuilder S310 system specifications.
4 C HAPTER 1: S YSTEM D ESCRIPTION n Choice of either single-mode or multi-mode OC3/STM-1 (separate units) , through the OC3/STM-1 module. Single-mode enables higher -speed trunking if you have access to fiber W AN, while multi-mode is ideal for connecting high-speed servers, switches, or hubs equipped with multi-mode fiber connections.
PathBuilder S330/S310 Overview 5 Figure 1 PathBuilder S330 W AN Access Switch PathBuilder S310 Features The PathBuilder S310 is a featur e-restricted version of the PathBuilder S330 providing r emote site CPE access. Its physical appearance is the same as that of the PathBuilder S330 but its softwar e does not enable all the ports.
6 C HAPTER 1: S YSTEM D ESCRIPTION The following optional modules ar e available for use with the PathBuilder S310: n The two-port CBR module services traf fic generated by your existing PBXs, channels, T1/E1 multiplexers, CSU/DSUs, and video confer encing devices.
PathBuilder S330/S310 Overview 7 Application Support The PathBuilder S330/S310 supports the following applications: S330 Only n 4 x T1/E1 IMA function on the trunk, up to four trunk gr oups (individua.
8 C HAPTER 1: S YSTEM D ESCRIPTION n Easily upgradable; no additional har dware r equired to move from the PathBuilder S310 to the PathBuilder S330; update your system simply by purchasing a softwar e upgrade.
Specifications 9 Regulatory compliance Safety Emissions UL listed (1950, 3rd edition) CSA 22.2 EN60950 FCC Part 68 FCC Part 15, Class A ST ANDARDS ATM Forum UNI 3.x, T1/E1 CES 2.0, IMA, ATM DXI 1.0 ANSI T1.403, T1.617 Annex D TIA/EIA EIA232, 574, 449/422/423, 366 AT&T Pubs 62411 and 54016 Frame Relay Forum FRF.
10 C HAPTER 1: S YSTEM D ESCRIPTION Ethernet Interface Number of ports Interface type Connector type Connector pinouts Data support ATM support Shaping Forwarding rate 1 VC level, dual leaky bucket, 56Kbps to 6Mbps RJ48 PIN 1 - Tx+ PIN 2 - Tx- PIN 3 - Rx+ PIN 4 - PIN 5 - PIN 6 - Rx- PIN 7 - PIN 8 - 10Base-T, IEEE 802.
Specifications 11 OC3/STM-1 Interface Number of ports Interface type Connector type Line Code Fiber Type Wavelength Receiver input power Transmit output power Clock Application support ATM support 1 SR or IR Duplex SC SONET scrambled, NRZ Multi-mode or single-mode 1300nm -30.
12 C HAPTER 1: S YSTEM D ESCRIPTION Connector type at end of RS-422 cable Connector pinouts DB-37 subminiature, female for DCE, male for DTE A Side B Side Chassis Ground 1 Send Data 4 22 Send Timing 5.
Specifications 13 Connector type at end of X.21 cable X.21 DTE cable pinouts (60-pin connector) to DB-15 male DB-15 subminiature, female for DCE, male for DTE Signal Pin # on Pin # on Direction (for N.
14 C HAPTER 1: S YSTEM D ESCRIPTION X.21 DCE cable pinouts (60-pin connector) to DB-15 female Signal Pin # on Pin # on Direction Name 60-pin DB-15 (for QSIM) Frame GND 46 1 Circuit GND 15 8 RTS 1,2 3,.
Specifications 15 CBR MODULE SPECIFICATIONS Number of ports Interface type(s) T1-DSX/E1 physical Impedance Framing Line Coding LBO Serial Clock Front panel LEDs (1-3) Data rates ATM support Timing Cel.
16 C HAPTER 1: S YSTEM D ESCRIPTION Connector type at end of V.35/RS-366 cable Connector pinouts DB-25 subminiature, female for DCE From To Frame Ground J1-46 J2-A Circuit Ground J1-45 J2-B RTS J1-35 .
Specifications 17 VOICE COMPRESSION MODULE SPECIFICATIONS Number of ports Interface type(s) T1-DSX/E1 physical Impedance Framing Line Coding LBO Clock Front panel LEDs (1-7) Data rates ATM support Tim.
18 C HAPTER 1: S YSTEM D ESCRIPTION T able 5 PathBuilder S310 System Specifications SYSTEM SPECIFICATIONS Ethernet 10 Base T 1 V.35/RS422 1 T1/E1 UNI 1 Mechanical: Shelf dimensions 19” rack mountable Rack mount spacing Cooling Unit weight (approx.) Shipping weight (approx.
Specifications 19 Front panel LEDs: Common Ethernet Serial T1 Power, Status, Alert Tx, Rx, Link TD, RD Alert, Active Management Interface Interface type Connector type Connector pinouts RS-232C Female.
20 C HAPTER 1: S YSTEM D ESCRIPTION T1/E1 UNI Interface Number of ports Type of interface Connector type Connector pinouts Framing Line Coding ATM framing ATM support LBO Electrical interface Attenuat.
Specifications 21 Serial Interface Number of ports Interface type Data support ATM support Clock Shaping Data rates: Minimum Maximum Maximum cable length Clock outputs Connector type on unit 1 HD 60-pin (DCE or DTE), female; V.
22 C HAPTER 1: S YSTEM D ESCRIPTION Connector type at end of EIA530 cable Connector pinouts DB-25 subminiature, female for DCE, male for DTE A Side B Side Chassis Ground 1 Send Data 2 14 Send Timing 1.
Specifications 23 X.21 DCE cable pinouts (60-pin connector) to DB-15 female Signal Pin # on Pin # on Direction Name 60-pin DB-15 (for QSIM) Frame GND 46 1 Circuit GND 15 8 RTS 1,2 3,10 IN CTS 9,10 5,1.
24 C HAPTER 1: S YSTEM D ESCRIPTION CBR MODULE SPECIFICATIONS Number of ports Interface type(s) T1-DSx/E1 physical Impedance Framing Line Coding LBO Serial Clock Front panel LEDs (1-3) Data rates ATM .
Specifications 25 Connector type at end of V.35/RS-366 cable Connector pinouts DB-25 subminiature, female for DCE From To Frame Ground J1-46 J2-A Circuit Ground J1-45 J2-B RTS J1-35 J2-C CTS J1-42 J2-.
26 C HAPTER 1: S YSTEM D ESCRIPTION VOICE COMPRESSION MODULE SPECIFICATIONS Number of ports Interface type(s) T1-DSX/E1 physical Impedance Framing Line Coding LBO Clock Front panel LEDs (1-7) Data rat.
Options and Parts List 27 Options and Parts List The tables below list available PathBuilder S330/S310 options. Contact 3Com or your V AR with the appr opriate part number for or dering and pricing information.
28 C HAPTER 1: S YSTEM D ESCRIPTION 3C63504 Optional Two-Port CBR Module with one T1-DSX port and one V.35/RS-449 port 3C63504 Optional Two-Port CBR Module with one E1 port and one V.
2 I NSTALLATION This chapter tells you how to mechanically and electrically install SuperStack ® II PathBuilder ® S330 and SuperStack ® II PathBuilder ® S310 W AN access switches (PathBuilder S330/S310) in your network and describes the PathBuilder S330/S310 ports and modules.
30 C HAPTER 2: I NSTALLATION Installation Overview Figure 3 summarizes the overall installation pr ocedur e for the PathBuilder S330/S310. Figure 3 General Installation Pr ocedure Prepare the Site: V .
Installation Overview 31 Figure 4 shows an example of a PathBuilder S330 configuration with all of the associated cabling connected. Figure 4 PathBuilder S330 Full System Confi guration LAN NMS Console RS-232 Router PBX PBX T1-DSX/E1 T1-DSX/E1 OC3/STM-1 n x T1/E1 IMA 10BASE-T V .
32 C HAPTER 2: I NSTALLATION Figure 5 shows an example of a PathBuilder S310 with all of the associated cabling connected. Figure 5 PathBuilder S310 Full System Confi guration Site Requirements The o.
Installation Procedures 33 Installation Pr ocedur es This section pr ovides detailed instructions for completing the steps in the installation procedur e illustrated earlier in Figure 3. Step 1 (Optional): Install the Optional Modules in the Unit This section tells you how to install the optional modules in the PathBuilder S330/S310 chassis.
34 C HAPTER 2: I NSTALLATION n V oice compression module —a board consisting of one T1-DSX or E1 interface. It services traf fic generated by your existing PBXs, channels, T1/E1 multiplexers, CSU/DSUs, and video confer encing devices. Install the V oice Compression module in slot 7 or slot 8.
Installation Procedures 35 Installing the Optional Modules in the Unit T o install an option module in the unit, follow these steps: CAUTION: Many of the integrated circuits on the modules are sensitive to static electricity . When installing plug-in modules, always wear a properly-grounded anti-static wrist strap.
36 C HAPTER 2: I NSTALLATION 3 Remove the cover plate fr om the slot into which you want to install the optional module by unscrewing the two r etaining screws.
Installation Procedures 37 5 Replace the unit’ s cover . a Slide the cover back into place so that the five tabs go under the lip of the fr ont panel (arrow 1) and push it down at the r ear (arrow 2), as shown in Figur e 13.
38 C HAPTER 2: I NSTALLATION Figure 14 Rack Mounting Ear Confi guration 3 Support the shelf in its mounting place and attach the mounting har dware. Step 3: Connect AC or DC Power and (optionally) the RPS System Y ou connect the AC/DC power at the r ear of the PathBuilder S330/S310 shelf.
Installation Procedures 39 CAUTION : CENTRALIZED 48VDC UNITS -T o be installed only in Restricted Access Areas (dedicated equipment rooms, equipment closets, etc.) in accordance with Articles 110-16 or 110-17, and 110-18 of the National Electrical Code, ANSI/NFP A No.
40 C HAPTER 2: I NSTALLATION Figure 16 illustrates the power supply socket and fuse. Figure 16 SuperStack II RPS Power Supply Socket and Fuse The PathBuilder S330/S310 automatically adjusts to the supply voltage. The fuse is suitable for both 110V AC and 220-240V AC operations.
Installation Procedures 41 Figure 17 PathBuilder S330/S310 Common LEDs Figure 18 shows the port confi guration of a PathBuilder S330/S310. Figure 18 PathBuilder S330/S310 Ports and CBR Module The following sections tell you how to make connections to the ports of the PathBuilder S330/S310.
42 C HAPTER 2: I NSTALLATION Connecting to the T1/E1 UNI Interface As shown above in Figur e 18, the PathBuilder S330 T1/E1 UNI with IMA interface provides four T1/E1 ports. Y ou can connect a single T1/E1 line to this interface, or connect up to four T1/E1 lines and combine them to form a logical, inverse-multiplexed high-speed link.
Installation Procedures 43 The following tables describe the serial port connector pinouts. Note that PathBuilder S330/S310 cables are compatible with CISCO cables, except for the DCE EIA530 which CISCO does not manufacture. T able 11 Connector Pinouts for V .
44 C HAPTER 2: I NSTALLATION T able 12 Connector Pinouts for V .35 DCE Cable (60-pin Connector) to V .35 Female Signal Name Pin # on 60- pin Connector Pin # on V.
Installation Procedures 45 T able 13 Connector Pinouts for RS-449 DTE Cable (60-pin connector) to DB-37 Male Signal Name Pin # on 60-pin Connector Pin # on DB-37 Connector Direction (for Serial Port) .
46 C HAPTER 2: I NSTALLATION T able 14 Connector Pinouts for RS-449 DCE Cable (60-pin Connector) to DB-37 Female Signal Name Pin # on 60-pin Connector Pin # on DB-37 Connector Direction (for Serial Po.
Installation Procedures 47 T able 15 Connector Pinouts for EIA530 DTE cable (60-pin Connector) to DB-25 Male Signal Name Pin # on 60-pin Connector Pin # on DB-25 Connector Direction (for Serial Port) .
48 C HAPTER 2: I NSTALLATION T able 16 Connector Pinouts for EIA530 DCE cable (60-pin Connector) to DB-25 Female Signal Name Pin # on 60-pin Connector Pin # on DB-25 Connector Direction (for Serial Po.
Installation Procedures 49 T able 17 Connector Pinouts for X.21 DTE cable (60-pin Connector) to DB-15 Male Signal Name Pin # on 60-pin Connector Pin # on DB-25 Connector Direction (for Serial Port) Fr.
50 C HAPTER 2: I NSTALLATION Serial Port LEDs In addition to the common LEDs described earlier in this chapter , the following LEDs indicate the status of the serial port. See Figure 20. RD active (green) —Flashes with receiving signals. TD active (green) —Flashes with transmitting signals.
Installation Procedures 51 Connecting to the Ethernet Port T o connect to the Ethernet port, run a cable from the port to the LAN. The Link LED illuminates if you make the connection pr operly .
52 C HAPTER 2: I NSTALLATION Connecting to the OC3/STM-1 Port S330 only The OC3/STM-1 UNI port is equipped with an internal SC-type connector supporting the use of multi-mode or single-mode fiber optic cable, as shown in Figure 22 and Figur e 23.
Installation Procedures 53 OC3/STM-1 LEDs In addition to the common LEDs described earlier in this chapter , the following LEDs indicate the status of the OC3/STM-1 port.
54 C HAPTER 2: I NSTALLATION T able 20 lists the CBR V .35/RS-366 Y cable pinouts. T able 20 CBR V .35/RS-366 Connector Pinouts Connector type at end of V.
Installation Procedures 55 CBR Module LEDs The CBR module features the following fr ont panel indicators: Inservice (green) —Powers up in the “off” state and illuminates when you set the administrative status of the T1-DSX/E1 or serial port to In Service .
56 C HAPTER 2: I NSTALLATION The V oice Compression module featur es the following front panel indicators, as illustrated in Figure 26: PWR —Illuminates when the VCM is r eceiving power . F AIL —Illuminates when the VCM car d fails. TEST —Illuminates during powerup, as internal diagnostics are being performed and during loopbacks.
Installation Procedures 57 LOF (RED) —Powers up in the “of f” state and illuminates when a LOF (Loss of Frame) condition is detected on the incoming DS3. The LOF LED is of f when the signal is in frame. It r eflects the LOF state of the DS3 in r eal time (no integration of the state is needed).
58 C HAPTER 2: I NSTALLATION Figure 28 illustrates the network management station terminal connection options. Figure 28 Network Management Station T erminal Connection Options LAN VT -100 NMS T er mi.
3 G ETTING S TARTED This chapter tells you how to initialize and pr epare SuperStack ® II PathBuilder ® S330 and SuperStack ® II PathBuilder ® S310 W AN access switches (PathBuilder S330/S310) for operation and how to use the PathBuilder S330/S310 menus.
60 C HAPTER 3: G ETTING S TARTED When the PathBuilder S330/S310 is power ed up and operating, and your terminal is connected, operating, and pr operly configured, the title scr een shown in Figure 30 appears on your terminal.
Using the Menus 61 Use the options on the Main menu as follows: n Select [1] System Administration to access common parameters. n Select [2] Configuration Management to view or set configuration parameters for cards, ports, PVCs, video dialup, and other har dware and softwar e features.
62 C HAPTER 3: G ETTING S TARTED Using the Menus to Change Settings Settings are displayed in pr ompts at the bottom of the menus. For example, if you select [2] Configuration Management [1] Manage C.
Performing Initial System Configuration 63 Performing Initial System Configuration After you install the PathBuilder S330/S310 har dware, you must complete the following three steps in or der to put .
64 C HAPTER 3: G ETTING S TARTED T o set system clocks, follow these steps: 1 From the System Administration menu, select [4] Manage System Clock to display the System Clock Configuration menu, shown in Figur e 34.
Performing Initial System Configuration 65 Figure 35 Manage IP Network Confi guration Menu Configuring the Local Host IP Addr ess In order for the PathBuilder S330/S310 to communicate on the network, you must use the VT100 terminal to assign an IP addr ess to the device.
66 C HAPTER 3: G ETTING S TARTED 2 Select [1] Ethernet Port IP Configuration to display the Ethernet Port IP Configuration menu, shown in Figur e 37.
Performing Initial System Configuration 67 The IP address does not take effect until you apply your changes by selecting [2] Apply IP Configuration Changes from the Local Host IP Configuration menu (step 5 above).
68 C HAPTER 3: G ETTING S TARTED 3 Enter the following information (by selecting the appr opriate options and responding to the pr ompts that appear at the bottom of the screen) to configur e the trap client: IP Address —The IP addr ess of the network management station to which you want the PathBuilder S330/S310 to send traps.
Performing Initial System Configuration 69 Setting the Time and Date T o set the time and date, follow these steps: It is important to set the time and date accurately because these settings provide the timestamp for alarms.
70 C HAPTER 3: G ETTING S TARTED This section tells you how to set passwor ds. For details about how to take over read-write sessions and how to erase the system database, see “Performing Additional Super User Functions” later in this chapter . The default passwor d for all three access levels is password .
Performing Additional Super User Functions 71 3 Select [1] Set Super User Password , [2] Set Read-Write Password , or [3] Set Read-Only Password to set the desir ed password. The following prompt appears at the bottom of the scr een: Enter New Password: 4 Enter the new passwor d.
72 C HAPTER 3: G ETTING S TARTED T o erase the system database, follow these steps: CAUTION: Before you erase the system database, make a record of all configuration settings; these settings will be lost when you erase the database. Also keep in mind that erasing the database is an action that cannot be undone.
Configuring In-band Management 73 Figure 45 Add Virtual Cir cuit Menu 3 Build a PVC on the far -end PathBuilder S330/S310, using the MCPU as side A of the circuit. Set the following parameters on the Add V irtual Circuit scr een: n Shaper Number —Choose the number corr esponding to the desir ed shaper value.
74 C HAPTER 3: G ETTING S TARTED.
4 C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS This chapter tells you how to configur e the SuperStack ® II PathBuilder ® S330 and SuperStack ® II PathBuilder ® S310 W AN access switches’ (PathBuilder S330/S310) CPU, modules, ports, and r elated applications so that the devices can pass traf fic.
76 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 46 System Administration Menu Specifying General System Information General system information include.
Viewing and Configuring System Information 77 Figure 47 Specifying General System Information Viewing RS-232 Port Configuration Information Y ou enter initial configuration information using the VT100 terminal connected to the PathBuilder S330/S310’ s RS-232 port.
78 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS The Report Firmwar e V ersion screen displays the following information about the management processor active firmwar e (the upgradeable firmware curr ently being used by the MCPU): V ersion —The released firmwar e version number .
Viewing and Configuring System Information 79 Downloading via the Ethernet Port T o download new firmware using TFTP , via the Ethernet port, follow these steps: Be sure to log in via T elnet. If you log in at a serial port, the download sequence will attempt an Xmodem rather than a TFTP download.
80 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Updating the Flash File System The flash file system contains system configuration information which is automatically saved in flash memory at a pr edetermined interval.
Using the Configuration Management Menu 81 The Equipment List displays the following information for each installed module: Slot —Slot number . This is a reference number for the ports on the motherboar d. This number corresponds to the number on the List Car d menu.
82 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Using the List Car d Menu The List Card menu, shown in Figure 51, lists the shelf and all installed interfaces. T o display the List Card menu follow these steps: 1 From the Main menu select [2] Configuration Management .
Configuring the Management CPU 83 Figure 52 MCPU Configuration Menu Viewing MCPU Configuration Information T o view configuration information for the management CPU: From the MCPU Confi guration menu, select [1] Card Configuration to open the Management Processor Configuration scr een.
84 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS CAUTION: When assigning shapers for VCM circuits, be sure that the shapers are wider than the bandwidth used for the voice traffic.
Configuring the CTX 85 Configuring the CTX CTX configuration involves managing buf fers and managing shapers. T o display the CTX Menu, follow these steps: 1 From the Configuration Management menu, in Figure 50, select [1] Manage Card to display the List Car d menu, shown earlier in Figur e 51.
86 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Y ou can assign shapers for these queue-trunks based on peak rate (or bulk shaping) towards the W AN. T o do this, follow these steps: 1 From the Configuration Management menu, select [1] Manage Card to display the List Card menu.
Configuring the CTX 87 Figure 56 CTX Buf fers Menu 4 Select the number corr esponding to the queue for which you want to change the buffer size. The CTX Queue Buf fer Configuration menu, shown in Figure 57, appears.
88 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS When you select one of these options, a pr ompt appears at the bottom of the screen, allowing you to enter a new thr eshold in the range 0% to 100%. When the buffer r eaches the Congestion On threshold, the congestion filter is on.
Configuring the T1/E1 Interface 89 Configuring the T1/E1 Interface Configuring the T1/E1 interface involves the following tasks: n Configuring the four individual T1/E1 ports n Setting up and con.
90 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 59 T1 (DS1) UNI Port Selection Menu 4 Select the number corr esponding to the T1/E1port you want to configur e to open the Port Configuration menu. Figure 60 shows a T1 (DS1) UNI Port Confi guration menu.
Configuring the T1/E1 Interface 91 LBO (T1 only)—Line Build Out. The setting for the transmit signal level: 0, 7.5, 15, or 22 db. The LBO compensates for the distance between the car d and the CSU/repeater . It is a setting for the transmit signal level.
92 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS The T1 (DS1)/E1 UNI Configuration menu lists the following additional r ead-only parameters: Group —The number of the gr oup to which the ports belong. Tx LID —T ransmit link identification.
Configuring the T1/E1 Interface 93 Figure 61 Gr oup Menu 4 Select [2] Add Group to display the Add Gr oup menu, shown in Figur e 62. Figure 62 Add Gr oup Menu (Selecting Group T ype) 5 Select [1] UNI . The Add Gr oup menu appears as shown in Figur e 63.
94 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 63 Add Gr oup Menu (Adding UNI Group) 6 Select [1] Set Admin. Port(s) . The following pr ompt appears at the bottom of the screen: Enter Admin Port(s): 7 Enter the port numbers for the T1/E1 port you want to include in the UNI gr oup.
Configuring the T1/E1 Interface 95 Figure 64 Gr oup Menu 4 Select [2] Add Group to display the Add Gr oup menu, shown in Figur e 65. Figure 65 Add Gr oup Menu (Selecting Group T ype) 5 Select [2] IMA . The Add Gr oup menu appears as shown in Figur e 66.
96 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 66 Add Gr oup Menu (Adding IMA Group) 6 Select [1] Set Admin. Port(s) . The following pr ompt appears at the bottom of the screen: Enter Admin Port(s) (1.
Configuring the T1/E1 Interface 97 Viewing and Modifying IMA and UNI Groups Once you have added a gr oup, you use the List/Modify Gr oup menu to view and modify group configuration parameters.
98 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 68 Delete Gr oup Menu 3 Enter y in response to the confi rmation prompt to delete the gr oup. When you delete an IMA group, all the VCs using that group are also deleted.
Configuring the T1/E1 Interface 99 Figure 70 IMA Link Status Scr een The IMA Link Status scr een lists the following information pertaining to the IMA status of an individual link in an IMA gr oup. NE Tx State —The near -end transmit state in the interworking link state machine.
100 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Tx LID —T ransmit logical link ID: 0-31 . This number reflects the local IMA ID. Rx LID —Receive logical link ID: 0-31 . This number r eflects the remote IMA ID.
Configuring the T1/E1 Interface 101 Figure 71 Gr oup Status Selection Menu 4 Enter the number corr esponding to the group for which you want to view IMA status.
102 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Failure —Failur e status: Near End Asymmetric —Near end r ejected asymmetrical configuration or operation chosen by the far end. Far End Invalid M —Far end r ejected the M value chosen by the user on the near end.
Configuring the T1/E1 Interface 103 # Rx Configured Links —The number of configured r eceive links. #Tx Active links —The number of active transmit links.
104 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Configuring the OC3/STM-1 Port T o configure the OC3/STM-1 port, follow these steps: The PathBuilder S310 does not support OC3/STM-1; the OC3/STM-1 port is disabled on that device.
Configuring the DS3/E3 UNI Module 105 Configuring the DS3/E3 UNI Module T o configure the DS3 UNI or E3 UNI module, follow these steps: 1 From the List Car d menu, select [9] DS3 UNI to open the DS3 UNI Configuration menu. Figure 75 shows the DS3 UNI Confi guration menu.
106 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS FEAC Loopback (DS3 only)—Enables or disables the system fr om responding to FEAC (Far -End Alarm Condition) loopback commands (loopback activate and deactivate FEAC codes) fr om the central office.
Configuring the Serial Interface 107 Configuring the Serial Port T o configure the serial port, follow these steps: 1 From the Configuration Management menu, select [1] Manage Card to display the List Card menu, shown earlier in Figure 51.
108 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 78 Configuring the Serial Port 5 Change the following parameters, as desir ed: Link T ype —The input/output protocol for encapsulation and SAR to AAL5 conversion.
Configuring the Serial Interface 109 Data Rate —The data rate supported by the port: 48K , 97K , 195K , 390K , 781K , 1 . 5M , 3 . 1M , or 6 . 2M . This parameter applies only when the attached cable is DCE type cable.
110 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Configuring the Serial Card The only type of configuration you can perform on the serial car d is to put it in service or out of service.
Configuring the Ethernet Interface 111 Figure 81 Ethernet Configuration Port/Car d Selection Menu 3 Select [1] Port 1 to display the Ethernet Port Configuration menu, shown in Figure 82. This menu displays the current Ethernet port configuration and provides an option that allows you to set the administrative status for the Ethernet port.
112 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS 3 Select [2] Card Information to display the Ethernet Card Configuration menu, shown in Figure 83. This menu displays the curr ent Ethernet card configuration and provides an option that allows you to set the administrative status for the Ethernet card.
Configuring the Ethernet Interface 113 Figure 84 Manage Bridge Menu 2 From the Manage Bridge menu, select [1] Bridge Configuration to display the Bridge Configuration menu, shown in Figur e 85. The current aging timer setting is displayed below the menu title (3 minutes in the sample menu shown in the figure).
114 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 86 Bridge Menu From the Bridge menu, you can: n Configure sour ce protocol filtering, sour ce address filtering, and destination address filtering. n Display the forwar ding table for the bridge.
Configuring the Ethernet Interface 115 T o configure sour ce protocol filtering, follow these steps: 1 From the Bridge Confi guration menu, select [2] Source Protocol Filtering to display the Source Pr otocol Filter menu, shown in Figure 87.
116 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 88 Bridge Setup Menu 5 Select [1] Set Source Protocol Filter . The following prompt appears at the bottom of the screen: Enter Source Protocol Filter (1=Disable, 2=Enable) 6 Enter 2 to enable the sour ce protocol filter .
Configuring the Ethernet Interface 117 T o configure sour ce address filtering, follow these steps: 1 From the Bridge menu, select [3] Source Address Filtering to display the Sour ce Address Filter menu, shown in Figure 89. Figure 89 Sour ce Address Filter Menu 2 Select [2] Add Source Filter Address .
118 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Configuring Destination Addr ess Filtering Destination address filtering pr events LAN packets with destination addresses specified in the filter from being sent to the W AN.
Configuring the Ethernet Interface 119 7 Select [3] Set Destination Address Filter . The following prompt appears at the bottom of the scr een: Enter Destination Address Filter (1=Disable, 2=Enable) 8 Enter 2 to enable the destination addr ess filter .
120 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Age —The age of the station addr ess entry in the List Forwar ding T able: Permanent (indicating that the entry is on the Bridge Static T able) or a specified number of seconds.
Configuring the CBR Module 121 Enabling and Disabling the Spanning T ree Spanning T ree (IEEE 802.1d) is a technique that detects loops in a network and logically blocks the r edundant paths, ensuring that only one r oute exists between any two LANs. It eliminates the duplication of packets and pr ovides fault tolerance for resilient networks.
122 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 93 CBR E1 Confi guration Menu 3 Select the option corr esponding to the port you want to configur e ( [1] Port 1 , [2] Port 2 , or [3] Port 3 ). The CBR T1-DSX/E1Port Configuration menu for the selected port appears.
Configuring the CBR Module 123 As shown in Figure 95, if you set the Port Mode to Structur ed V oice, you can set additional trunk conditioning (TC) parameters on the CBR Port Configuration menu. Figure 95 CBR E1 Port Confi guration Menu (Structur ed V oice Mode) 4 Set the following port configuration parameters.
124 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Structured V oice — Structured service pr ovides N x 64 kbit/second capability , where N ranges between 1 and the maximum number of available DS0 channels.
Configuring the CBR Module 125 Figure 96 illustrates the SRTS and Adaptive timing options. Figure 96 CBR T1-DSX Timing Options I dle Timer —This parameter applies to the video dial featur e.
126 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS CRC-4 (E1 only)—Enables ( yes ) or disables ( no ) Cyclic Redundancy Check 4 (CRC-4) information.
Configuring the CBR Module 127 Figure 97 Configuring the CBR Serial Port 4 Set the following port configuration parameters as desir ed: SCT Clock Source —The type of input clock service configur ed for the port interface. Recovered —A non-r equired network-wide synchr onization technique used to regenerate the input service clock.
128 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Dial Timer —The amount of time, in seconds, after which dialing is assumed to be ended if no further digits have been r eceived: 6-60 . This parameter applies to the video dial feature.
Configuring the Voice Compression Module 129 Figure 98 CBR Car d Configuration Menu 4 Select [1] Set Admin Status and enter 2 to put the CBR card in service or 1 to take it out of service. Configuring the V oice Compr ession Module The optional V oice Compression module (VCM) consists of one T1/E1 interface which you connect to a PBX trunk.
130 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 99 VCM Channel Confi guration Menu 3 Set the following channel configuration parameters: Encoding —Encoding scheme: A-law (United States) or Mu-law (international).
Configuring the Voice Compression Module 131 3 From the List Car d menu, enter the number corresponding to the slot in which the VCM you want to configur e is installed ( 7 or 8 ) to open the VCM Configuration menu. Figure 100 shows the VCM T1-DSX Confi guration menu.
132 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Line Code —The zer o code suppression technique confi gured to the VCM T1/E1port. Set this parameter to match the service pr ovider or device connection line coding.
Configuring Virtual Circuits 133 Configuring the VCM Card T o configure the VCM car d, follow these steps: 1 From the VCM Confi guration menu, shown earlier in Figur e 100, select [3] Card Configuration to open the VCM Car d Configuration menu.
134 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS The port VPI/VCI A TM circuit designators must match the application being supported.
Configuring Virtual Circuits 135 2 Select [2] Add Virtual Circuit . The Add Virtual Circuit scr een appears as shown in Figure 104. Figure 104 Initial Add Virtual Cir cuit Screen 3 Enter a description for the virtual cir cuit you ar e defining. We recommend that you do not use the description <366 call> .
136 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS 4 Enter the number corr esponding to the class of virtual cir cuit you want to define.
Configuring Virtual Circuits 137 Figure 107 Selecting a Slot for Side A of the V irtual Circuit 3 Enter the slot number for the module that you want to define as side A of the virtual circuit. For example, to assign the SIM car d as side A, you would enter 5 .
138 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 108 Add Virtual Cir cuit Screen with Side A Completed Some parameters that appear on the Add V irtual Circuit screen may not apply to the particular circuit you are configuring.
Configuring Virtual Circuits 139 Figure 109 Completed Data Port VCC V irtual Circuit 9 Press any key to r etur n to the Virtual Circuit menu. Configuring CBR Circuits for DBA This section provides gu.
140 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Configuring CBR Circuits for Structured V oice DBA (CAS) In structured voice DBA, the CBR softwar e reads the stor ed signaling bits and releases bandwidth when it detects an on-hook (idle) condition.
Configuring Virtual Circuits 141 Setting up a PRI PBX T ie Line PRI signaling is a type of CCS in which one channel (24) is used to signal for the other channels (1-23).
142 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS T o define an RS366 (video) virtual circuit template, follow these steps: 1 When you are pr ompted to select the virtual circuit type, as shown earlier in Figure 105, select [2] RS366 T emplate .
Configuring Virtual Circuits 143 3 Enter the desired port number . n If you are setting up point-to-point video confer encing (between remote PathBuilder S330/S310 switches).
144 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 113 Side A Completed for Video VIrtual Cir cuit Using CBR T1-DSX/E1 Port 5 Select the slot number corr esponding to the module by which you ar e connected to the network for side B of the cir cuit template.
Configuring Virtual Circuits 145 Adding V oice Compression Module VCC Circuits T o configure a VPC/VCC virtual cir cuit to connect data ports, follow these steps: Y ou must configure at least one VCM VCC circuit before you can configure any VCM subchannel circuits.
146 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 116 Configuring Side A of A VCM VCC V irtual Circuit When you have enter ed a setting for each param.
Configuring Virtual Circuits 147 Figure 118 Completed VCM VCC Virtual Cir cuit 7 Press any key to r etur n to the Virtual Circuit menu. Adding VCM Subchannel Circuits T o configure a VCM subchannel cir cuit, follow these steps: Y ou must configure at least one VCM VCC circuit before you can configure any VCM subchannel circuits.
148 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS 2 Enter the number corr esponding to the VCM VCC cir cuit upon which you want to base the subchannel cir cuit to open the VCM Subchannel Add Virtual Cir cuit screen, shown in Figur e 120.
Configuring Virtual Circuits 149 Figure 121 Completed VCM Subchannel Cir cuit 5 Press any key to r etur n to the Virtual Circuit menu. VCM Subchannel Virtual Circuit Example The following example shows how you can set up a thr ee-node VCM network by creating all r equired VCM VCC cir cuits and VCM subchannel cir cuits.
150 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS For the purposes of this example, assume you want to make the following connections: n Connect subchannels 1-4 on PBX-1 to subchannels 1-4 on PBX-2 n Connect subchannels 5-8 on PBX-1 to subchannels 1-4 on PBX-3.
Configuring Virtual Circuits 151 Virtual Circuit Parameters The following subsections describe parameters you must enter when you configure virtual cir cuits for differ ent port types.
152 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Frame Relay Virtual Circuit Parameters If the serial port is confi gured as a Frame Relay port, you must se.
Configuring Virtual Circuits 153 Figure 124 Translation Encapsulation Mode DE-CLP / CLP-DE —DE to CLP / CLP to DE mapping. DE to CLP defines the value to which CLP will be set in outgoing A TM cells. CLP to DE mapping defines the value to which DE will be set fr om incoming A TM cells in outgoing Frame Relay frames.
154 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS FECN to EFCI Mapping —Defines the mapping of FECN incoming on Frame Relay to the outgoing A TM cell PTI congestion indicator . Direct —Mode 1 mapping; matches FECN to the PTI CN bit.
Configuring Virtual Circuits 155 CDV Buffer Size —The Cell Delay V ariation buffer size: 1-24 ms . Cell delay variation refers to the spacing between cells. The PathBuilder S330/S310 pr ovides a buffer to account for cell delay variation and ther eby prevent cell loss.
156 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS DS0 Channels —(T1-DSX/E1 ports only) T elco channels: the associated DS0s which have been assigned to the specified A TM VC connection. All available DS0 channels are automatically allocated in unstructur ed mode.
Configuring Virtual Circuits 157 Figure 125 List Virtual Cir cuit Summary Screen The List Virtual Circuit Summary Scr een shows a summary of all virtual circuits, with a virtual cir cuit number (VC#) assigned to each. It displays the following information: card —Car d type.
158 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Figure 126 List Virtual Cir cuit Detail Screen Viewing Virtual Circuits by Port or Gr oup T o view a summary.
Configuring Virtual Circuits 159 Figure 128 Access Virtual Cir cuits by Port/Group Scr een The Access Virtual Circuits by Port/Gr oup screen pr ovides the same information as the List Virtual Circuit scr een. See “Viewing Virtual Circuits for the Entir e Chassis” earlier in this section for details.
160 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS Deleting Virtual Circuits T o delete an existing virtual circuit, follow these steps: 1 From the Virtual Cir cuit menu, select [4] Delete Virtual Circuit . The Delete Virtual Circuit scr een appears.
Managing the Video Dial Feature 161 Managing Video Dial-up Sessions T o set up, activate, and end a video dial-up session, follow these basic steps: 1 Create virtual cir cuits between the appropriate PathBuilder S330/S310 units. This effectively builds a call r outing table.
162 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS 3 Select [ 1] Set Destination Pone # and enter the phone number of the site to which you want to connect.
Managing the Video Dial Feature 163 T o view the video call routing table, follow these steps: 1 From the Configuration Management menu, select [4] Manage Video Dial to display the Manage Video Dial menu, shown earlier in Figur e 129.
164 C HAPTER 4: C ONFIGURING P ATH B UILDER S330/S310 M ODULES , P ORTS , AND A PPLICATIONS.
5 P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS This chapter tells you how to access and manage SuperStack II PathBuilder S330 and S310 W AN access switch (PathBuilder S330/S310) system alarms, how to use available loopbacks, and how to view performance statistics for the PathBuilder S330/S310.
166 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS 2 Select [1] Display Current Alarms to view a list of curr ent alarms, as shown in Figure 134.
Managing System Alarms 167 MCPU and CTX Module (System) Alarms T able 26 describes the Critical and Major Alarms associated with the CPU Module. T able 26 MCPU and CTX Module (System) Alarms Alarm Meaning Troubleshooting Steps Alarms Cleared Current alarms have been cleared by user.
168 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Queue 1 Over Threshold The congestion threshold for Queue 1was exceeded. Check and correct VC connections. Check and adjust VI shaper values. Check and adjust incoming traffic volume.
Managing System Alarms 169 Alarms Common to Several Interfaces T able 27 describes major alarms common to several PathBuilder S330/S310 interfaces. T able 27 Alarms Common to Several Modules Alarm Mea.
170 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Loss of Signal(LOS) Cannot detect a signal at a configured port. This alarm is applicable to DS3 UNI, E3 UNI, OC3/STM-1 UNI, DS1 IMA UNI, and E1 IMA UNI ports. Check the cable between the interface port and the service provider’s equipment/terminal equipment.
Managing System Alarms 171 DS1/E1 UNI Module Alarms T able 28 describes the alarms specific to the DS1 UNI and E1 UNI modules. A TM Forum required alarms are indicated by the notation A TM Forum (R-xxx) , where xxx is the required alarm number .
172 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS BAD SCCI (3Com Patent Pending) Status and Change Control Indication – the content of the ICP cells has changed. The far end ICP cell SCCI in this link does not agree with the SCCI of the other links in the group.
Managing System Alarms 173 Group [n] Dup. IMA ID The same group IMA ID has been received on links belonging to different IMA groups in the same card. Correct link or group configuration. Group [n] FE Abort Symmetry The far end rejects the symmetry sent by the near end.
174 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Group [n] Multi IMA ID Different group IMA ID received on different links in an IMA group.
Managing System Alarms 175 Port Missing ICP Cells Two consecutive ICP cells missing from the IMA frame. See also Loss of IMA Frame (LIF) . This is a specific cause of that alarm and will also be reported. RFI IMA ATM Forum (R-121) Remote Failure Indication: Far end IMA Rx networking link state machines detected LOS, OOF, AIS.
176 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS DSX-1/E1 CBR Module Alarms T able 29 describes the alarms specific to DSX-1 and E1 CBR modules. . T able 29 DSX-1/E1 CBR Module Alarms Alarm Meaning Troubleshooting Steps Cellbus parity Parity error on cells received from cell bus.
Managing System Alarms 177 SIM Alarms T able 30 describes the alarms specific to QSIMs and F AMs V oice Compression Module Alarms T able 29 describes the major alarms specific to the V oice Compression module. . Transmit FIFO Overflow The cell bus is congested, and cells are backed up on the CBR.
178 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Working with History Alarms All alarms and information events ar e captured and kept in an alarm history fi le in the PathBuilder S330/S310. This file can hold up to 300 events; it fills on a first-in/first-out basis.
Using Loopbacks 179 Using Loopbacks Loopbacks allow you to check circuit continuity between one point and another . Y ou should use the PathBuilder S330/S310 loopback featur e to check continuity to the nearest point first, and if the cir cuit is valid to that point, then loop to the next point.
180 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Figure 137 OC3/STM-1 Loopback Menu 4 Select [1] Set Loopback . A pr ompt listing the loopback choices for the selected port appears at the bottom of the scr een. 5 Enter the number corr esponding to the type of loopback you want to configur e.
Using Loopbacks 181 OC3/STM-1 Loopbacks The following loopbacks are available for the OC3/STM-1 interface: Network LIne —Loops the OC3/STM-1 r eceived data back on the output side after the digital data has been r ecovered.
182 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS E3 Loopbacks The E3 module supports the following loopbacks: Local Card —Loops the transmit E3output on the r eceive side. All cells coming from the E3 port car d are looped thr ough the backplane and back to the E3 port card.
Using Loopbacks 183 Setting VCM Loopbacks For the V oice Compression module, you can set both car d/line and channel loopbacks. When you set a VCM loopback, the MCPU sends a message to the VCM card to perform a maintenance function, and the VCM r eplies with an acknowledgment.
184 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS The following prompt appears: Enter Channel (1-8): 3 Enter the number of the channel for which you want to set a loopback to open the VCM Channel Loopback menu for that channel.
Viewing Performance and ATM Statistics 185 Viewing Performance and A TM Statistics This section tells you how to display the following types of PathBuilder S330/S310 statistics: n Card Statistics n Performance Monitoring scr eens lists statistics that r eflect the physical monitoring of the line.
186 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Figure 146 Car d Statistics Menu 3 Enter the number corr esponding to the card for which you want to view statistics. The following sections describe the car d statistics pr ovided for each type of car d.
Viewing Performance and ATM Statistics 187 T1/E1 Port/Link Statistics This section describes the T1/E1 port/link statistics. T1/E1 Port/Link Physical Performance Statistics The T1 (DS1)/E1 UNI Physical Performance Monitoring scr een displays the following statistics.
188 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Rx-UUS-IMA-FE —Far end r eceive unusable seconds; the number of unusable seconds at the far end interworking Rx link state machine. Tx-FC —Number of near -end transmit failures.
Viewing Performance and ATM Statistics 189 Rx ICP cell errors —The number of cells received in a port/gr oup since the counter was cleared. Tx cell rate —Curr ent transmitted data cells rate. Rx cell rate —Curr ent received data cells rate. Rx ICP cell error rate —Current ICP r eceived cell error rate.
190 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS OC3/STM-1 Section Performance Statistics The OC3/STM-1 Section Performance Monitoring scr een displays the following statistics: ES —The number of err ored seconds (ESs) encounter ed by the OC3/STM-1 section.
Viewing Performance and ATM Statistics 191 UAS —The number of unavailable seconds (UASs) encounter ed by the OC3/STM-1 path interface. CVS —The number of coding violations (CVs) encounter ed by the OC3/STM-1 path interface. LOP —Indicates whether or not a Loss of Pointer (LOP) condition has been encountered by the OC3/STM-1 path interface.
192 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Viewing DS3 Card Statistics Y ou can view both performance statistics and A TM statistics for the DS3 UNI module.
Viewing Performance and ATM Statistics 193 Cells dropped —The number of idle/unassigned cells encounter ed and dropped on the interface. Cells with HCS err ors —The number of header check sequence (HCS) err ored cells encountered on the A TM interface.
194 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS SIM HDLC Statistics SIM HDLC statistics include: Received Frames —The total number of r eceived frames with good FCS at this port. T ransmitted Frames —The total number of successfully-transmitted frames at this port.
Viewing Performance and ATM Statistics 195 Viewing Ethernet Card Statistics Ethernet statistics are collected accor ding to the Ethernet bridge MIB on the Ethernet port and on every A TM connection tied to this port. Y ou can view bridge, filtering, and Ethernet statistics, and you can also view A TM VC statistics for the Ethernet port.
196 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Ethernet Statistics T ransmitted Frames —The total number of frames transmitted at this port. T ransmitted bytes —The total number of bytes transmitted at this port. Received Frames —The total number of frames r eceived at this port.
Viewing Performance and ATM Statistics 197 Forward Delay —The amount of time in the “learning” and “listening” states; half the amount of time that must elapse between the time when it is decided that a port should become part of the Spanning T ree and the time when data traffic is allowed to be forwar ded to and from that port.
198 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS CBR A TM Statistics A TM cell statistics are cell counts since the last counter r eset. On the A TM Statistics window , you can reset the counter by entering c . A TM statistics are displayed as a list rather than a table.
Viewing Performance and ATM Statistics 199 Viewing V oice Compression Module Statistics Y ou can view performance monitoring, virtual cir cuit, and port activity statistics for the V oice Compression module.
200 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS BES —The number of bursty err ored seconds (BESs) encounter ed by the VCM T1-DSX/E1 interface. DM —The number of degraded minutes (DMs) encounter ed by the VCM T1-DSX/E1 interface.
Viewing Virtual Circuit Statistics 201 Viewing Virtual Circuit Statistics by Cir cuit T o display virtual circuit statistics by cir cuit, follow these steps: 1 From the Configuration Management menu, select [2] Manage Circuits to display the Virtual Circuit menu.
202 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS Row 2 (left to right) n cells received on side A n cells dropped on side A n cells received on side B n cells dropped on side B T o view additional information about a particular cir cuit, enter the desir ed virtual circuit number .
Viewing Virtual Circuit Statistics 203 Figure 150 Virtual Cir cuit Statistics by Shaper Summary Screen 4 T o view statistics for a single shaper , enter the desired shaper number . As shown in Figure 151, the Virtual Statistics by Shaper detail scr een lists the number of cells received, dr opped, and sent on the selected shaper .
204 C HAPTER 5: P ATH B UILDER S330 D IAGNOSTICS AND P ERFORMANCE S TATISTICS 6 T o view virtual circuit statistics by port/gr oup for the selected shaper , enter p from the Virtual Circuit Statistics by Shaper Detail scr een.
A T ECHNICAL S UPPORT 3Com provides easy access to technical support information thr ough a variety of services. This appendix describes these services. Information contained in this appendix is corr ect at time of publication. For the very latest, 3Com r ecommends that you access the 3Com Corporation World Wide Web site.
206 A PPENDIX A: T ECHNICAL S UPPORT 3Com Bulletin Boar d Service The 3Com BBS contains patches, softwar e, and drivers for 3Com pr oducts. This service is available thr ough analog modem or digital modem (ISDN) 24 hours a day , 7 days a week.
Support from 3Com 207 Support fr om 3Com If you ar e unable to obtain assistance fr om the 3Com online technical r esources or from your network supplier , 3Com offers technical telephone support services. T o find out more about your support options, please call the 3Com technical telephone support phone number at the location near est you.
208 A PPENDIX A: T ECHNICAL S UPPORT Returning Products for Repair Before you send a pr oduct directly to 3Com for r epair , you must first obtain a Return Materials Authorization (RMA) number . Pr oducts sent to 3Com without RMA numbers will be r eturned to the sender unopened, at the sender’ s expense.
B P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW This chapter describes the operation and data flow for each of the SuperStack ® II PathBuilder ® S330 and S310 W AN access switch (PathBuilder S330/S310) modules and supported applications.
210 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW enabled, an early packet discar d operation is performed to check if the cell needs to be discarded. Counters for cells r eceived and cells dropped ar e also updated, depending on the operation.
CTX Switch 211 The default memory configuration uses all available memory . In order to reallocate memory to a given queue, you must first deallocate it from one of the other queues. Since the CTX is output-buf fered, and if the W AN trunk has the lowest speed (for nxT1/E1), the W AN trunk should take up most of the buffer .
212 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW VPI and VCI Ranges As explained earlier in this chapter , address translation is performed in the CTX. For VP connections, the full 8 bits of the VPI is looked up, so up to 256 VP connections are supported per port.
OC3/STM-1 Port 213 n The cells are passed to a line HEC framer to synchr onize to the line speed. n The T1/E1 chip adds the T1/E1 overhead and converts the digital data into a bipolar format suitable for transmission. An 8 KHz clock is extracted fr om the T1/E1 clock (on all T1’ s/E1s) and is used for system synchronization.
214 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Serial Interface The serial interface is designed to interconnect frame-based devices/networks and cell-based A TM devices/networks.
Serial Interface 215 When connecting the PathBuilder S330/S310 to an A TM network, verify that the PVC mapping for in and out ports is defined for pr oper operation. (See Figure 153.) Figure 153 PathBuilder S330/S310 to A TM PVC It is also important to select the pr oper traffic contract fr om the A TM switch/service provider .
216 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW DXI protocol defines an open interface between the r outer and the Data Service Unit. The Data Service Unit of f-loads cell encapsulation services fr om the Brouter . This will allow your curr ent brouter to support A TM, simply by supporting V .
Serial Interface 217 Through A TM DXI, the DCE allows the DTE to participate in an A TM network. (See Figure 157.) Figure 157 DCE Allows DTE to Participate in A TM Network through A TM DXI DXI Mode 1A.
218 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW DXI protocol frame is an HDLC LLC1 frame similar to PPP pr otocol. Mode 1A supports an AAL5 transit encapsulation. In terms of the Br outer , it is easier to implement DXI protocol, since it only r equires the Br outer to encapsulate the SDU.
Serial Interface 219 HDLC/SDLC Mode T ranspar ent HDLC mode is used for point-to-point HDLC connections acr oss the A TM network. No service-based encapsulation other than AAL5 is needed. All packets are terminated and SAR’d to a single VP/VC in the A TM network.
220 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW These interworking featur es are described in FRF .8 and FRF .5 respectively . The major differ ence between these two features is that ther e is no FR-SSCS function requir ed for Service Interworking.
Serial Interface 221 n The PathBuilder S330/S310 sitting in the middle performs all the r equired translation and management functions between these two networks, implementing the stacks as indicated in Figur e 162 and performing the following key functions: n T ranslating fr om Q.
222 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW n The PathBuilder S330/S310 performs all the r equired translation and management functions between these two networks, implementing the stacks as indicated in Figure 162 and performing the following key functions: n T ranslating fr om Q.
Ethernet Interface 223 n The SAR will then assemble the cells belonging to the connections specified for it. n When the cells are assembled, the CPU is given confi rmation, and the bridge function o.
224 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Spanning T ree Spanning T ree (IEEE 802.1d) is a technique that detects loops in a network and logically blocks the r edundant paths, ensuring that only one r oute exists between any two LANs.
Ethernet Interface 225 Spanning T ree Instances The Spanning T ree logic supports a maximum of 255 physical and virtual ports, thereby allowing a maximum of 254 A TM VCs.
226 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Figure 163 Virtual Cir cuit Scheme Figure 164 illustrates this on a network using PathBuilder S330s. Suppose workstation 1 on LAN AA wants to send data to workstation 2 on LAN BB.
Ethernet Interface 227 The aggregate of VPIs/VCIs assigned to the Ethernet connection of the PathBuilder S330/S310 is referr ed to as a bridge. Since the PathBuilder S330/S310 reads and stores MAC addr esses and associated VPIs/VCIs as described above, the bridge is called a learning bridge.
228 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Segmentation Once it is determined that a packet should go acr oss the bridge, the packet is encapsulated per RFC 1483 and a pad and trailer conforming to AAL5 (A TM Adaption Layer 5) is added at the end of the packet.
Ethernet Interface 229 Figure 167 PathBuilder S330/S310 Application LAN 2 LAN 3 PathBuilder S330/S310 #1 n x T1 PathBuilder S330/S310 #2 PathBuilder S330/S310 #3 AT M Switched Network Port P2 Port P3 .
230 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Figure 168 shows thr ee PathBuilder S330s connected through a carrier A TM network or a private switch.
CBR Module 231 Each PVC repr esents the logical circuit being used to connect one PathBuilder S330/S310 port to a r emote PathBuilder S330/S310 port. Once you have enter ed all PVCs, the bridge will l.
232 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW The T1-DSX/E1 inputs can be either ESF , SF , or no-framing using B8ZS or AMI.
CBR Module 233 Structured DS1 Implement the structur ed service if you requir e DS0 midspan drop-and-insert. (See Figure 170.) Figure 170 CBR Structur ed DS1 - Drop and Insert Midspan drop and insert allows services such as public switched telephone service to be inserted into the A TM link.
234 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Drop-and-Insert DS0 channels can be allowed to transit the entir e path, providing DS0 to DS0 connectivity between end locations.
CBR Module 235 These frames are then followed by the ABCD bits of each active DS0. T wo DS0’ s ABCD bits are pr ovided in each byte after the last DS0 group. Figur e 174 shows an example of three DS0s and their ABCD bits sent in a structur ed encapsulation.
236 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Structured data DS0s allow for clear channel signaling (CCS). As opposed to CAS, in which signaling is done on all channels, in clear channel signaling (CCS) one channel is used to signal for the other channels.
CBR Module 237 Unstructured DS1 Implement unstructur ed DS1 service when you want DS1 tunneling thr ough an A TM system. DS1 tunneling allows an entire DS1 frame, including framing bits, to travel across an A TM network.
238 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Figure 177 depicts the effects of structur ed versus unstructur ed service on the DS1 framing. Figure 177 Structur ed V ersus Unstructured Effects on T ransit DS1 Video Conferencing The serial port of the PathBuilder S330/S310 CBR module has two types of interface: V .
CBR Module 239 Figure 178 illustrates point-to-point video confer encing between thr ee PathBuilder S330 switches (#1111, #2222, and #3333). T able 33, T able 34, and T able 35 list possible routing tables for the thr ee units. Figure 178 Point-to-Point Video Confer encing V .
240 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Multi-point Video Conferencing In multi-point video confer encing an MCU (Multi Confer ence Unit) device is connected to one T1-DSX/E1 CBR port of a PathBuilder S600 or PathBuilder S330/S310 at the central site.
Voice Compression Module 241 T o set up multi-point video conferencing, you build virtual cir cuits (defined by transmit and receive vpi/vci combinations) between the r emote units and between the remote units and the central unit.
242 A PPENDIX B: P ATH B UILDER S330/S310 M ODULE AND A PPLICATION O VERVIEW Supported V oice Compression Featur es The VCM supports the following featur es: n G.729A, G.726, and G.711 compr ession algorithms —Y ou must configure the voice coding (compr ession) for each DS0 channel.
I NDEX Symbols # Rx configured links 103 # Tx configured links 102 #Rx active links 103 #Tx active links 103 (DF A) VCI 154 (DF A) VCI range 154 (DF A) VPI 154 Numbers 3Com bulletin board service (3Com BBS) 206 3Com URL 205 3ComFacts 206 56K/64K mode 127 A AAL5 pad 228 AC or DC Power , connecting 38 activation min.
244 I NDEX system clock 63 system information 75, 76 T1/E1 card 103 T1/E1 ports 89, 90 T1/E1 UNI interface 89 time and date 69 trap clients 67 UNI groups 92 VCM card 133 VCM channels 129 VCM T1/E1 por.
245 deletion of Group 1 when DS3/E3 module installed 57, 92 modifying 97 selecting type (IMA or UNI) 94, 96 H HDLC/SDLC applications 219 HDLC/SDLC mode 219 Hello T ime 197 I I/O Cabling, connecting 40 icons, notice 2 idle timer 125 IMA See also inverse multiplexing.
246 I NDEX PathBuilder 330/310 external connections 31 integrated application 233 port configuration 41 receiving and inspecting 29 PathBuilder S310 upgrading to PathBuilder S330 8 PathBuilder S330/S310 applications 229 key benefits 7 overview 3 PathBuilder S330/S310.
247 virtual circuit (by buffer) 204 virtual circuit (by circuit) 201 virtual circuit (by port/group) 202 virtual circuit (by shaper) 202 status 163 structured mode 123, 232, 233 structured service as .
248 I NDEX.
3Com Corporation L IMITED W ARRANTY H ARDWARE 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time .
USE, PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE PAID, AT 3COM’S OPTION.
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