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7.5x9-inch cover with bleed on 4 sides Secur eStack A2 PoE Fast Ether net Switches Hardware Installation Guide A2H124-24P A2H124-48P P/N 9034154-03.
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i Notice Enterasys Networks reserv es the right to make changes in specifica tions and other information contained in this document and its web site without prior notice.
ii REGULATORY COMPLIANCE INFORMATION FEDERAL COMMUNICATIONS CO MM ISSION (FCC) NO TICE This device com plies with Pa rt 15 of the FC C rules.
iii ELECTROMAGNETIC COMPATIBILITY (EMC) This product complies with the following: 47 CFR Pa rt s 2 and 15, CSA C108.8, 89/336/EEC, EN 55022, EN 6100 0 ‐ 3 ‐ 2, EN 61000 ‐ 3 ‐ 3, EN 55024, AS/NZS CISPR 22, VCCI V ‐ 3.
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v VCCI NOTICE This is a class A product based on the standard of the Vo l u n t a r y Control Coun cil for Interference by Information Te c h n o l o g y Equipment (VCCI).
vi DECLARATION OF CONFORMITY Application of Co uncil Directiv e(s): 89/336/EEC 73/23/EEC Manufacturer’s Na me: Enterasys Networks, Inc. Manufacturer ’ s Address: 50 Minuteman Road Andover, MA 01810 USA European Representativ e Address: Enterasys Networks, Ltd .
vii ENTERASYS NETWORKS, INC. FIRMWARE LICENSE AGREEMENT BEFORE OPENING OR UTILIZING THE ENCL OSED PRODUCT , CAREFULL Y READ THIS LICENSE AGREEMENT . This document is an agreement (“ Agreement”) betwee n the end user (“Y ou”) and Enterasys Networks, Inc.
viii 3. APPLICABLE LAW. This Agreem ent shall be interpreted and governed under the laws and in the state and federal cour ts of the Commonwealth of Massachusetts wit hout regard to its conflicts of laws provisions.
ix THE CUMULA TIVE LIAB ILITY OF ENTERASYS TO YOU FOR ALL CLAIMS RELA TING TO THE PROGRAM, IN CONTRACT , TORT OR OTHER WISE, .
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xi Contents About This Guide Who Should Use This Guide ........ ................... .................... ................ ................... ................... .......... xv How to Use This Guide ................ ................ ...................
xii Connecting AC and PoE Power ............. ................... ................ .................... ................... ............ .... 3-12 AC Power ........................... ................ ................... .................... .........
xiii Figures 1-1 A2H124-24P Stackable Switch .. ................... ................... ................. ................... .................. 1-3 1-2 A2H124-48P Stackable Switch .. ................... ................... ................. .........
xiv A-11 MGBIC-08 Operating Range ............ ....................... ...................... ....................... ................. A- 6 A-12 MGBIC-02 Specifications ........... ................... ................ .................... ...........
SecureStack A2 PoE Installation Guide xv About This Guide This guide provides an ov erview , installation and troubleshooting instructio ns, and specifications for the Enterasys ® SecureStack A2H124 ‐ 24P and A2H124 ‐ 48P stackable Ethernet switches.
How to Use This Guide xvi About This Guide How to Use This Guide Read through this guide completely to familiarize you rs el f with its contents and gain an understanding of the features and capabilities of the stackable Ethernet switches.
Conventions Used in This Guide SecureStack A2 PoE Installation Guide xvii Conventions Used in This Guide The following conventions are used in this guide: Note: Calls the reader ’s attention to any item of information that may be of special import ance.
Conventions Used in This Guide xviii About This Guid e.
SecureStack A2 PoE Installation Guide 1-1 1 Introduction This chapter introduces the A2H124 ‐ 24P and A2H1 24 ‐ 48P stackable switches. Import ant Notice Depending on th e firmware version used in the Secu reS tack A2, some features described in this document may not be supported.
Overview 1-2 Introduction Overview The A2H124 ‐ 24P and A2H124 ‐ 48P are stackable Fast Ethernet switches, which can be adapted and scaled to help meet you r network needs.
Overview SecureStack A2 PoE Installation Guide 1-3 Figure 1- 1 A2H124-24P S tac kable Switch Figure 1-2 A2H124-48P S tac kable Switch Note: The 1000BASE-T built-in RJ45 stacking port s 25 and 26 on th.
PoE (Power over Ethernet) Support 1-4 Introduction S tack Connections The switches hav e front ‐ panel RJ45 connectors for connections in a stack configuration.
Connectivity SecureStack A2 PoE Installation Guide 1-5 Connectivity The SecureStack A2 connects to Ethernet netw orks or workstations via the fixed front panel RJ45 connectors and two uplink ports that support optional Mini ‐ GBICs.
Management 1-6 Introduction Management Management of the module can be eithe r in ‐ band or out ‐ of ‐ band. In ‐ band remote management is .
LANVIEW Diagnostic LEDs SecureStack A2 PoE Installation Guide 1-7 LANVIEW Diagnostic LEDs LANVIEW diagnostic LEDs serv e as an important troubleshooting aid by .
Getting Help 1-8 Introduction.
SecureStack A2 PoE Installation Guide 2-1 2 Network Requirements Before inst alling the device, review the requirements and specif ications in this chapter .
100BASE-TX Network 2-2 Network Requir ements 100BASE-TX Network When connecting a 100BASE ‐ TX segment to one of the fixed ports (1 through 24 on A2H124 ‐ 24P, 1 through 48 on A2H1 24 ‐ 48P) use Category 5 UTP cabling.
SecureStack A2 PoE Installation Guide 3-1 3 Hardware Installation This chapter provides instructions to install the A2H124 ‐ 24P and A2H124 ‐ 48P. Unless otherwise noted, the instructions apply to all switches.
Considerations Prior to Installation 3-2 Hardware Installation Considerations Prior to Inst allation When installing the switch, note the following: •B e f o r e starting the installation procedure, notify the network administrator of the installation.
Installing the Switch on a Flat Surface SecureStack A2 PoE Installation Guide 3-3 Inst alling the Switch on a Flat Surface When installing the switch on a flat surface, .
Installing the Switch on a Flat Surface 3-4 Hardware Installation Figure 3-1 Chassis Bottom, Rubber Feet Placement 1 Bottom of chassis as seen when chassis is resting on its back 3 Rubber feet with a .
Installing the Switch on a Flat Surface SecureStack A2 PoE Installation Guide 3-5 Guidelines for Flat Surface Inst allation Locate the switch within 152 cm (5 ft) of its pow er source and on a surface as shown in Figure 3 ‐ 2 .
Rack Mounting the Switch 3-6 Hardware Installation Rack Mounting the Switch To install the switch in a 19 ‐ inch ra ck, yo u need: •T w o rackmount brackets and mounting screws (rackmount kit) shipped with the switch.
Connecting Stacking Cables SecureStack A2 PoE Installation Guide 3-7 2. With the mou nting brackets attached, position the switch between the vert ica l frame members of the 19 ‐ inch rack as shown in Figu re 3 ‐ 4 .
Connecting Stacking Cables 3-8 Hardware Installation Figure 3-5 St acking Cable Connections After connecting the cables to the stacking ports, proceed to “ Configuring Switches in a Stack ” on page 3 ‐ 9 for instructions.
Configuring Switches in a Stack SecureStack A2 PoE Installation Guide 3-9 Configuring Switches in a S t ack The information in the following sections is important to understand A2 switch operation and installations in a stack installation.
Configuring Switches in a Stack 3-10 Hardware Installa tion 3. The management election process uses the f ollowing precedence to assign a management switch: a. Previously assigned/elected manage ment switch b.
Configuring Switches in a Stack SecureStack A2 PoE Installation Guide 3-11 3. Once the desired master swi tch has been selected, the current configuration wil l be saved and the stack will automatically reset.
Connecting AC and PoE Power 3-12 Hardware Installa tion Connecting AC and PoE Power AC Power To connect a switch to the AC pow er source, refer to Figu re 3 ‐ 6 and proceed as follows: 1. Plug the power cord into the swit ch AC power connector .
Connecting AC and PoE Power SecureStack A2 PoE Installation Guide 3-13 3. Observe the pow er CPU LED (not shown), located on the front panel.
Connecting to Console Port for Local Management 3-14 Hardware Installa tion If you are installing the switch as a standalone switch, proceed to “ Connecting to Con sole Po r t for Local Management ” on page 3 ‐ 14.
Connecting to Console Port for Local Management SecureStack A2 PoE Installation Guide 3-15 What Is Needed The following is a list of user ‐ supplied DTE interface cables that may be needed to connect the DB9 male Console port connector on the switch.
Connecting to Console Port for Local Management 3-16 Hardware Installa tion Connecting to an IBM or Comp atible Device To connect an IBM PC or compatible devi ce, runni.
Connecting to Console Port for Local Management SecureStack A2 PoE Installation Guide 3-17 Connecting to a VT Series T erminal To connect a VT Series terminal to an Ent.
Connecting to Console Port for Local Management 3-18 Hardware Installa tion Connecting to a Modem To connect a modem to an Enterasys Netw orks switch console port .
Connecting to the Network SecureStack A2 PoE Installation Guide 3-19 Connecting to the Network The following procedures cover the cable connections from the ne twork or other devices to the switch RJ45 ports or any installed optional Mini ‐ GBIC.
Connecting to the Network 3-20 Hardware Installa tion Figure 3-12 Connecting a UTP Cable Segme nt to RJ45 Port 3. V erify that a link exists by che cking that the Link/Act ivity LED is ON (solid green or blinking green).
Connecting to the Network SecureStack A2 PoE Installation Guide 3-21 Figure 3-13 Four-Wire Cros sover Cable RJ45 Pinout s for 10/100BASE-TX Figure 3-14 Four-Wire S traight-Through Cable RJ45 Pinout s .
Installing Optional Mini-GBICs 3-22 Hardware Installa tion Figure 3-16 Eight-W ire Straight-Thr ough Cable RJ45 Pinout s for 1000BASE-TX Inst alling Optional Mini-GBICs This section describes .
Installing Optional Mini-GBICs SecureStack A2 PoE Installation Guide 3-23 Prep aration Before inst alling the Mini ‐ GBIC, pr oceed as follows: 1.
Installing Optional Mini-GBICs 3-24 Hardware Installa tion Figure 3-17 Mini-GBIC with RJ 45 Connector 1 SFP Slot 3 Release tab 2 Mini-GBIC (MGBIC-02) 4 Link/Activity LED 27 28 A2H124-24P 25 26 27 28 2.
Installing Optional Mini-GBICs SecureStack A2 PoE Installation Guide 3-25 Figure 3-18 Mini-GBIC with MT -RJ Connector 1 SFP Slot 3 Release tab 2 Mini-GBIC (MGBIC-MT01) 4 Link/Activity LED 27 28 A2H124.
Installing Optional Mini-GBICs 3-26 Hardware Installa tion Figure 3-19 Mini-GBIC with LC Connector Removing the Mini-GBIC 1 SFP Slot 3 Release tab 2 Mini-GBIC (MGBIC-LC01,-LC03, -LC09, MGBIC-08) 4 Lin.
Installing Optional Mini-GBICs SecureStack A2 PoE Installation Guide 3-27 To remove a Mi ni ‐ GBIC from a port slot, refer back to Figure 3 ‐ 17 , Figure 3 ‐ 18 , and Figure 3 ‐ 19 , and proceed as follows: 1.
Installing Optional Mini-GBICs 3-28 Hardware Installa tion The transmit strand from a switch port connects to the receive port of a fiber ‐ optic Gigabit Ethernet device at the other end of the se gment.
Installing Optional Mini-GBICs SecureStack A2 PoE Installation Guide 3-29 Figure 3-20 Cable Connec tion to MT -RJ Multimode Fiber-Optic Connectors 3. Plug the other end of the cable into the appropriate port on the other device.
Installing Optional Mini-GBICs 3-30 Hardware Installa tion Connecting Fiber-Opti c Cables to LC Port s This section describes how to connect •a 1000BASE ‐ SX mult i.
Installing Optional Mini-GBICs SecureStack A2 PoE Installation Guide 3-31 1. Remove the protectiv e covers (not shown) from the front panel LC fiber ‐ optic port (port 27 in this example) and from the connectors on each end of the cable.
Completing the Installation 3-32 Hardware Installa tion 4. V erify that a link exists by che cking that the port Link/Act ivity LED is on (blinking green or solid green).
SecureStack A2 PoE Installation Guide 4-1 4 T roubleshooting This chapter provides information concerning the following: This device contains a battery that is not considered a user replaceable part.
Using LANVIEW 4-2 Troubleshooting Using LANVIEW These switches support the Enterasys Networks built ‐ in LANVIEW LED visual diagnostic and status monitoring system.
Using LANVIEW SecureStack A2 PoE Installation Guide 4-3 Note: The terms flashing , blinking , and solid used in Ta b l e 4 - 1 indicate the following: Flashing: LED is flashing randomly . Blinking: LED is flashing at a steady rate (approximately 50% on, 50% off).
Using LANVIEW 4-4 Troubleshooting DOWN Off No valid conn ection to switch stackup connector . 1. Make sure the switch connected to the stackup connector is powered on. 2. Replace cable with a known good one . 3. If the problem still exists, contact Enterasys Networks for technical support.
Using LANVIEW SecureStack A2 PoE Installation Guide 4-5 RPS Off The RPS LED remains off regardless if the RPS is atta ched or not. The L ED being in its off st ate is not a n indication that the RPS is not functioning properly and won’t supply power in the event of an AC power supply failure.
Using LANVIEW 4-6 Troubleshooting Amber Solid. Port is linked, but traf fic is not being received or transmitted by the interface. PoE power has failed. PoE power may have been deactivated because of excessive powe r requirement or deactivated by configuration.
Troubleshooting Checklist SecureStack A2 PoE Installation Guide 4-7 T roubleshooting Checklist If the device is not work in g properly , refer to Ta b l e 4 ‐ 2 for a checklist of problems, possible causes, and recommended actions to resolve the problem.
Troubleshooting Checklist 4-8 Troubleshooting Cannot contact the SecureS tack A2 through in-band management. IP address not assigned. Refer to the SecureStack A2 Configuration Guide for the IP address assignment procedure. Port is disab led. This is normal if the switch is a Member in a stack.
Using the Reset Password Switch SecureStack A2 PoE Installation Guide 4-9 Using the Reset Password Switch If you forget the SecureSt ack A2 login passw ord, use the Reset passw ord switch as described in the following procedure.
Using the Reset Password Switch 4-10 Troubleshooting.
SecureStack A2 PoE Installation Guide A-1 A Specifications This appendix provides information about the foll owing: Enterasys Networks reserves the right to change the specifications at any time without notice.
Switch Specifications A-2 Specifications AC Input Specifications Input V oltage 100 to 240 V AC Input Currrent 5.1 A Max Frequency 50 to 60 Hz Processors/Memory Processor MPC8241, 266 MHz processor Dynamic Random Access Memory (DRAM) 128 MB FLASH Memory 16 MB Physical Dimensions 4.
Switch Specifications SecureStack A2 PoE Installation Guide A-3 T able A-2 A2H124-48P Switch Specifications Item Specification RJ45 ports 1 through 48 Forty-eight 10/100BASE- T compliant ports with auto-sensing and auto-nego tiation via the RJ45 connections.
Mini-GBIC Input/Output Specifications A-4 Specifications Mini-GBIC Input/Output S pecifications The Mini ‐ Gigabit Ethernet Card (Mini ‐ GBIC) port interface slots can support 1 ‐ Gbps fiber ‐ optic connections as described in Ta b l e A ‐ 3 .
Gigabit Ethernet Specifications SecureStack A2 PoE Installation Guide A-5 MGBIC-LC03 S pecific ations (1000BASE-SX) T able A-5 MGBIC-LC01/MGBI C-MT01 Operating Range Item Modal Bandwid th @ 850 nm Range 62.
Gigabit Ethernet Specifications A-6 Specifications MGBIC-LC09 S pecific ations (1000BASE-LX) MGBIC-08 Specificati ons (1000BASE-ELX) T able A-8 MGBIC-LC09 Optical Spec ifications Item 62.5 µm MM F 50 µm MMF 10 µm SMF T ransmit Power (minimum) -1 1.
Console Port Pinout Assignments SecureStack A2 PoE Installation Guide A-7 MGBIC-02 Specifications (1000BASE-T) Console Port Pinout Assignment s The Console port is a DB9 serial communications port for local access to Local Management.
Regulatory Compliance A-8 Specifications Regulatory Compliance The A2H124 ‐ 24P and A2H124 ‐ 48P meet the safety and electromagnetic compatibility (EMC) requirements listed in Ta b l e A ‐ 13 : T able A-13 Compliance St andards Regulatory Compliance Stan da rd s Safety UL 60950, CSA C22.
Index-1 Index Numerics 1000BASE-SX/LX netwo rk connections requirements for 2-2 1000BASE-T requirements for 2-2 100BASE-TX requirements 2-2 10BASE-T connection 3-19 requirements 2-1 A A2H124-24P overv.
Index-2 Pinout assignments console port A-7 UTP 4-wire crossover cable 3-21 UTP 4-wire straight-through cable 3-21 UTP 8-wire crossover cable 3-21 UTP 8-wire straight-through cable 3-22 PoE (Power ove.
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