Interface Leds; Interface Cable; Connecting The Interface Cable - 3Com 3C13886 - Router OC-3 ATM SML Flexible Interface Card Installation Manual

3Com Router Module Guide

3.9.4 Interface LEDs

Router 4-Port ISDN-S/T MIM panel is shown in the following figure:
Figure 3-48 Router 4-Port ISDN-S/T MIM panel
Description of the LEDs on Router 4-Port ISDN-S/T MIM panel is shown in the
following table:
Table 3-25 Description of the LEDs on Router 4-Port ISDN-S/T MIM panel
Yellow lamp on the left
Green lamp on the right

3.9.5 Interface Cable

Interface cables of Router 4-Port ISDN-S/T MIM are standard ISDN S/T interface
cables. Pins 3 and 6 are for transmitting data, and pins 4 and 5 are for receiving data.
At both ends of the cables are RJ-45 connectors.
Green Yellow Green Yellow
Red Black Red Black
Figure 3-49 ISDN S/T cable

3.9.6 Connecting the Interface Cable

Caution:
Read the mark identifying a port before you connect a cable to it, making sure it is the correct port.
Wrong connection tends to damage MIMs and even the Router.
LED
OFF means channel B1 is idle. ON means channel B1 is occupied and
data communication is going on.
OFF means channel B2 is idle. ON means channel B2 is occupied and
data communication is going on.
Chapter 3 Multifunctional Interface Modules
Description
3-43
Green Green
Yellow Yellow
Black Black
Red Red