3com 2500 Quick Setup Guide

Page of 110
ATM Module
4-25
Cabling the ATM Module
The ATM module offers a single OC-3 interface, 
providing a 155 Mbps connection over multimode 
fiber.
To cable the ATM Module:
1
Plug the male SC connectors on the multimode fiber 
cable into the port on the ATM module until they 
click into place.
2
Attach the other end of the cable to the network 
device you wish to connect.
 shows the cabling of the ATM module 
with multimode fiber.
Figure 4-26   Cabling the ATM Module
ATM connectors
ATM  module
Multimode fiber
Green = Active
Yellow = Error
Board
Error
Port Status
Activ
Erro
Active
Error
Active
Ac
Error
Error
Board
Error
1
2
TX
TX
TX
RX
RX
Port Status
Port Status
Active
Error
Active
Error
Board
Error
Green = Active
Yellow = Error
1
2
Power
Run
Processor
Power
Fan
Temp
Config
ERROR
PCMCIA
CoreBuilder
 2500
Board
Error
Active
Error
MM OC-3
ATM
RX
TX
R