3Com Router Module Guide
Chapter 4
4-55
Figure 4-52
ROUTER 1-PORT E1 VOICE FIC panel
The following table describes the LEDs on the card panel.
Table 4-36
LEDs on the ROUTER 1-PORT E1 VOICE FIC panel
LED
Description
LINK
OFF means no link is present; ON means a link is present.
ACTIVE
OFF means no data is being transmitted or received on the interface and blinking
means data is being transmitted and/or received.
4.16.4 Interface Cable
ROUTER 1-PORT E1 VOICE FIC cables are G.703-compliant 120-ohm balanced
twisted-pair cables, with a DB-15 connector at the router end and an RJ-45 connector
at the network end.
Figure 4-53
E1 120-ohm balanced twisted-pair cable
If you want a 75-ohm cable, you can use a 75-to-120-ohm adapter (with a BNC
connector at one end and an RJ-45 connector at the other end) as shown in the
following figure.