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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-9
Figure 3-12 Router E1Voice Module panel
Description of the LEDs on Router E1 Voice Module panel is given in the following
table:
Table 3-5 Description of the LEDs on Router E1Voice Module 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. Blinking means there is
data being transmitted or received.
3.2.5 Interface Cable
Router E1 Voice Module interface cables are G.703-compliant 120-ohm balanced
twisted pair cables. At one end of the cable is a DB-15 male connector for the
connection to the Router, and at the other end is an RJ-45 connector for the
connection to the network.
Figure 3-13 120-ohm balanced twisted pair cable
If the cable with the resistance of 75-ohm is needed, a 75-ohm-to-120-ohm cable
adapter (one end is BNC connector and the other end is RJ45 connector) which is
illustrated in the following figure can be installed.