Cabletron Systems MMAC-Plus 9T122-24 User Manual

MMAC-Plus ™ 9T122-24Three Port Token Ring MicroLAN ™ Switch ModuleUser’s Guide

2-1 Chapter 2 Installation Installing the MicroLAN Module The MMAC-Plus MicroLAN Module may be installed into any of the 14 slots that are available.

Installation2-2 Figure 2-1. Installing the MicroLAN Module7FLNK8FLNKFLNK10FLNKINS11FLNKINS12RXTXRXTXRXCircuit CardCard GuidesMetal Back-PanelJack for

2-3The Reset Switch The Reset Switch The Reset switch is located on the front panel, under the top plastic tab as shown in Figure 2-2. It serves two

Installation2-4 User Accessible Components Figure 2-3 shows the various components that are accessible to the user. These consist of an eight positio

2-5Setting the Module Card DIP Switch Setting the Module Card DIP Switch An eight switch DIP switch is located on the module card as shown in positio

Installation2-6 See the Cautions at the end of this table. Table 2-1. Function of DIP Switch SwitchFunction Description 8Clear Password 1 When tog

2-7Ring Speed Ring Speed The module defaults to a 16Mbps ring speed on all rings. This may be changed though local management. Multi-Ring Out Capabil

3-1 Chapter 3 Operation The 9T122-24 MicroLAN Module provides connectivity between the front panel Token Ring(s) and the FDDI rings on the backplane

Operation3-2 Transparent Bridging Transparent Bridging is accomplished by building a Source Address Table (SAT) from source MAC/physical addresses an

3-3Bridging 2. The receiving bridges append their own route information to the Route Information Field (RIF) in the MAC frame header and transmit the

i Notice Notice Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior

Operation3-4 Flexible Network Bus (FNB) The FNB consists of two dual FDDI networks, the FNB-1 and FNB-2, providing up to 400 Mbps of data bandwidth.

3-5System Diagnostic Controller System Diagnostic Controller This diagnostic controller is composed of a Z-80 microprocessor and it’s supporting logi

4-1 Chapter 4 LANVIEW LEDsThe front panel LANVIEW LEDs, shown in Figure 4-1, indicate the status of the module and may be used as an aid in troublesh

LANVIEW LEDs4-2The functions of the two System Status LEDs, System Management Bus (SMB) and the CPU, are listed in Table 4-1. The function of the FNB

4-3The function of the Token Ring Mac receive LEDs are listed in Table 4-4.The function of the Token Ring Mac transmit LEDs are listed in Table 4-5.Th

LANVIEW LEDs4-4The function of the Token Ring speed LEDs is listed in Table 4-7. Table 4-7. Token Ring SpeedLED Color StateYellow 16 MbsOff 4 Mps

5-1Chapter 5SpecificationsSafetyThis equipment meets the safety requirements of:• UL 1950• CSA C22.2 No. 950 • EN 60950• IEC 950• EMI Requirements of F

Specifications5-2PhysicalDimensions:35.0 D x 44.0 H x 3.0 W centimeters(13.8 D x 17.4 H x 1.2 W inches)Weight:Unit: 1.36 kg. (3lb)Shipping: 1.81 kg.

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 no

iii Notice DOC Notice This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio

v Contents Chapter 1 Introduction Features...

1-1 Chapter 1 Introduction The 9T122-24 MicroLAN™ Switch Module, shown in Figure 1-1, is a three port Token Ring bridge and router module. This modul

Introduction1-2 Management Information Base (MIB) Support The 9T122-24 module provides MIB support including:• IETF MIB II (RFC 1213)• IETF RMON MIB

1-3Features Figure 1-1. The 9T122-24 MicroLAN Module1216 MbMMAC PLUS

Introduction1-4 Related Manuals The manuals listed below should be used to supplement the procedures and technical data contained in this manual.MMAC