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MMAC-Plus ™ 9E312-12 Ethernet Switch Module User’s Guide.
i Notice Notice Cabletron Systems r eserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletr on Systems to determine whether any such changes have been made.
ii Notice FCC Notice This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference r eceived, including interference that may cause undesir ed operation.
iii Notice DOC Notice This digital apparatus does not exceed the Class A limits for radio noise emissions fr om digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.
v Contents Chapter 1 Intr oduction Features........................................................................................................................... 1-2 Related Manuals ................................................................
Contents vi Physical ........................................................................................................................... 5-2 Dimensions: ..........................................................................................
1-1 Chapter 1 Intr oduction The 9E312-12 is a thirteen port switching module with twelve front panel Ethernet interfaces and one Internal Network Bus (INB) backplane interface. This module uses a Fast Packet Switch (FPS) hardwar e based switch design and an advanced Intel i960 ® micropr ocessor .
Introduction 1-2 Features Processor The 9E312-12 is equipped with an advanced Intel i960 micropr ocessor . This micropr ocessor provides a platform for all management functions such as Spanning T ree, RMON, and MIB support within a scalable RISC-based architectur e.
1-3 F eatures Management Information Base (MIB) Support The 9E312-12 provides MIB support including: • RMON (RFC-1271) • IETF MIB II (RFC-1213) • IETF Bridge MIB (RFC-1493) and a host of other Cabletron Enterprise MIBs. INB The 9E312-12 attaches to INB1 of the MMAC-Plus Backplane.
Introduction 1-4 Figure 1-1. The 9E312-12 Module 1 2 3 4 5 6 7 8 9 10 11 12 1 X X X X X X X X X X X X MMAC PLUS MMAC PLUS.
1-5 Related Manuals Related Manuals The manuals listed below should be used to supplement the procedur es and technical data contained in this manual. MMAC-Plus Installation Guide MMAC-Plus Operations.
2-1 Chapter 2 Installing the 9E312-12 Module The 9E312-12 module occupies two slots in the MMAC-Plus chassis. The module must be installed with the left side (as viewed from the fr ont) in an odd numbered slot, and the right side in an even numbered slot.
Installing the 9E312-12 Module 2-2 W arning: Ensure that the circuit card is between the card guides . Lock do wn the top and bottom plastic tabs at the same time , applying e v en pressure.
2-3 Pinouts Pinouts The 9E312-12 front panel has twelve RJ-45 Ethernet connections, each of which is internally crossed over . Figure 2-2 illustrates a single RJ-45 Ethernet Connector . Figure 2-2. RJ-45 Ethernet Connector T able 2-1 details the pinout connections for an RJ-45 Ethernet connector .
Installing the 9E312-12 Module 2-4 The Reset Switch The reset switch is located on the fr ont panel, under the top plastic tab as shown in Figure 2-3. It serves two functions: r esetting the i960 processor and shutting down the module. • T o reset the pr ocessor , press the reset switch twice within thr ee seconds.
2-5 User Accessible Components User Accessible Components Figure 2-4 shows the various components that can be accessed by users. These consist of an eight position dip switch (explained in the next section), replaceable PROMs, and sockets for memory and flash upgrades.
Installing the 9E312-12 Module 2-6 Setting the 9E312-12 Module DIP Switch The DIP switch on the 9E312-12 Module (Figur e 2-4 and Figure 2-4), is an eight switch DIP located on the top left corner of the module. Each switch is set according to the functions described in T able 2-2.
2-7 Setting the 9E312-12 Module DIP Switch See the Cautions at the end of this table. T able 2-2. Function of DIP Switch Switch Function Description 8 Clear Password -1 This module stores user enter ed passwords in NVRAM (Nonvolatile random access memory).
3-1 Chapter 3 Operation The 9E312-12 module is a thirteen port device; twelve front panel ports, each repr esents a separate Ethernet collision domain and one port connected to INB1.
Operation 3-2 ENIB The Ethernet Network Interface Block (ENIB) converts Ethernet data packets received thr ough front panel ports into a common canonical format that allows the Fast Packet Switching Engine to determine the proper destination port.
3-3 INB NIB INB NIB Each module that attaches to the Internal Network Bus (INB ) has an INB Network Interface Block (NIB). The INB NIB converts canonical frames to fixed length data blocks for transmission onto the INB.
Operation 3-4 and control the SMB LANVIEW diagnostic LEDs. Although the system diagnostic controller and the main host pr ocessor can operate independently of each other if needed, they exchange information about each others status and overall module condition.
4-1 Chapter 4 LANVIEW LEDs The front panel LANVIEW LEDs indicate the status of the module and may be used as an aid in trouble shooting. Shown in Figur e 4-1 are the LANVIEW LEDs of the 9E312-12 module.
LANVIEW LEDs 4-2 The function of the two System Status LEDs, System Management Bus (SMB) and CPU (Central Processing Unit), ar e listed in T able 4-1. The function of the INB Receive LEDs are listed in T able 4-3 T able 4-1. System Status (SMB and CPU) LEDs LED Color State Description Green Functional Fully operational.
4-3 LANVIEW LEDs The function of the INB T ransmit LEDs are listed in T able 4-3. The function of the Port Receive LEDs are listed in T able 4-4. T able 4-3. INB Transmit LEDs LED Color State Green (Flashing) Activity , port enabled (Flashing to steady on indicates rate.
LANVIEW LEDs 4-4 The function of the Port T ransmit LEDs are listed in T able 4-3. T able 4-5. P ort Transmit LEDs LED Color State Green (Flashing) Activity , port enabled (Flashing to steady on indicates rate.) Y ellow (Flashing) Port in standby state Red (Flashing) Error (collision) (Flashing to steady on indicates rate.
5-1 Chapter 5 Specifications T echnical Specifications CPU: Intel i960 RISC based micropr ocessor Memory: 4 Meg. Local RAM (expandable to 12 Meg.) 2 Meg.
Specifications 5-2 Safety This equipment meets: The safety requir ements of: • UL 1950 • CSA C22.2 No. 950 • EN 60950 • IEC 950 The EMI requir ements of: • FCC Part 15 Class A • EN 55022 .
5-3 Ph ysical En vir onment: Operating T emperature 5 to 40 ° C Storage T emperature -30 to 90 ° C Relative Humidity 5% to 95% non-condensing.
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