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

3Com Router Module Guide

4.4.3 Panel and Interface LEDs

The following figure illustrates the ROUTER 4-PORT CE1/PRI FIC panel.
Figure 4-20 ROUTER 4-PORT CE1/PRI FIC panel
The following table describes the LEDs on the card panels.
Table 4-11 LEDs on the FIC-E1 and FIC-E1-F panels
LED
LINK
ACTIVE

4.4.4 Interface Cable

I. Interface cable of the ROUTER 4-PORT CE1/PRI FIC
Interface cables for the ROUTER 4-PORT CE1/PRI FIC are G.703-compliant cables,
also known as E1 cables. The cables are divided into two categories: 75-ohm
unbalanced coaxial and 120-ohm balanced twisted-pair.
75-ohm unbalanced coaxial cable
As shown in the following figure, at the router end of the cable is a DB-15 plug and at
the network end are two BNC receptacles.
Figure 4-21 E1 75-ohm unbalanced coaxial cable
OFF means no link is present; ON means a link is present.
OFF means no data is being transmitted or received on the interface; blinking
means data is being transmitted and/or received.
4-21
Description
Chapter 4