Cabletron Systems MMAC-Plus 9T122-24 User Manual Download Page 8 | Manualshive

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Features

Figure 1-1. The 9T122-24 MicroLAN Module

9T122-24

TOKEN RING

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16 Mb

MMAC

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Summary of Contents for MMAC-Plus 9T122-24

Page 1: ...MMAC Plus 9T122 24 Three Port Token Ring MicroLAN Switch Module User s Guide...

Page 2: ...ABLE FOR ANY INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN...

Page 3: ...se harmful interference to radio communications Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at...

Page 4: ...in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils nu...

Page 5: ...2 7 Multi Ring Out Capability 2 7 Chapter 3 Operation Bridging 3 1 Transparent Bridging 3 2 Source Route Bridging 3 2 Spanning Tree Algorithm 3 3 Flexible Network Bus FNB 3 4 System Management Buses...

Page 6: ...cture System Management Interfaces to the two System Management Buses SMB 1 and SMB 10 for intermodule management Connectivity The 9T122 24 provides twenty four RJ 45 Trunk Coupling Unit TCU lobe conn...

Page 7: ...as a ring out port through management software In this configuration a stand alone passive concentrator such as an IBM 8228 MAU may be added to the ring Telnet A telnet session can be set up with the...

Page 8: ...1 3 Features Figure 1 1 The 9T122 24 MicroLAN Module 9T122 24 TOKEN RING 1 2 1 2 3 4 5 6 7 8 9 10 11 12 FNB SMB CPU 13 14 15 16 17 18 19 20 21 22 23 24 16 Mb MMAC PLUS...

Page 9: ...ide MMAC Plus 9C214 1 AC Power Supply User s Guide MMAC Plus Local Management User s Guide Getting Help If you need additional support with the MMAC Plus or if you have any questions comments or sugge...

Page 10: ...AC Plus chassis to your wrist Plug the other end into the ESD Wrist Strap Grounding receptacle in the lower right corner of the MMAC Plus Chassis shown in Figure 2 1 5 Remove the module from the plast...

Page 11: ...8 FLNK FLNK 10 FLNK INS 11 FLNK INS 12 RX TX RX TX RX Circuit Card Card Guides Metal Back Panel Jack for ESD wrist strap Warning Ensure that the circuit card is between the card guides Lock down the t...

Page 12: ...ng the reset switch twice within three seconds causes the processor i960 to reset Pressing and holding the switch on for three or more seconds causes the module to shutdown Pressing and holding again...

Page 13: ...These consist of an eight position dip switch explained in the next section replaceable PROMs and sockets for RAM These will be used for future upgrades Figure 2 3 User Accessible Components SMB 1 PR...

Page 14: ...he Module Card DIP Switch An eight switch DIP switch is located on the module card as shown in position 8 in Figure 2 3 and in Figure 2 4 The function of the switches are listed in Table 2 1 Figure 2...

Page 15: ...he module is powered down and remain there until the switch is toggled again 6 Force BootP Download Toggling this switch after pulling the board out of the MMAC Plus clears download information from N...

Page 16: ...gement software In this configuration a stand alone passive concentrator such as an IBM 8228 may be added to the ring as shown in Figure 2 5 This allows for a star wired network with the MMAC Plus at...

Page 17: ...vidual networks each with twelve ports Bridging Routing may occur between these two rings and or to any other MMAC Plus module via the Flexible Network Bus Figure 3 1 9T122 24 Block Diagram Bridging T...

Page 18: ...oes not forward across the Token Ring link The second filtering process the Cabletron Systems Special Filtering Database provides an additional step in the filter forward decision Through Remote Manag...

Page 19: ...ceives from other bridges within the network The bridges then apply the Spanning Tree Algorithm STA to select a root bridge and then determine primary data paths within potential data loop configurati...

Page 20: ...transports inter chassis information between system components such as power and environmental information as well as diagnostic messages Periodic loop back test are preformed by all modules which sha...

Page 21: ...peration of the DC DC converter FNB Interface MMAC Plus modules are designed with one of two attachment policies One allows a module to dual attach to either FNB 1 or FNB 2 the second allows dual atta...

Page 22: ...4 1 indicate the status of the module and may be used as an aid in troubleshooting Figure 4 1 LANVIEW LEDs 9T122 24 TOKEN RING 1 2 3 4 5 FNB SMB CPU 16 Mb 1 2 System Status FNB Transmit Token Ring Mac...

Page 23: ...Booting Blinks yellow and green while booting Red Reset Normal power up reset Red Flashing Failed Fatal error has occurred Off Power off Module powered off Table 4 2 FNB Receive LEDs LED Color State...

Page 24: ...ity Port enabled Yellow Flashing Link Activity Flashing rate indicates rate of activity Off No link No activity Port enabled Table 4 5 Token Ring Transmit LED LED Color State Red Port Disabled Red Fla...

Page 25: ...LANVIEW LEDs 4 4 The function of the Token Ring speed LEDs is listed in Table 4 7 Table 4 7 Token Ring Speed LED Color State Yellow 16 Mbs Off 4 Mps...

Page 26: ...A EN 55022 Class A VCCI Class I EMC requirements of EN 50082 1 IEC 801 2 ESD IEC 801 3 Radiated susceptibility IEC 801 4 EFT Service MTBF MHBK 217E 200 000 hrs MTTR 0 5 hr It is the responsibility of...

Page 27: ...x 17 4 H x 1 2 W inches Weight Unit 1 36 kg 3lb Shipping 1 81 kg 4lb Electrical CPU i960 Shared DRAM Memory 4Mb expandable to 12 Mb Local DRAM Memory 4Mb expandable to 12 Mb Flash 2Mb expandable to 1...

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