Installation guide

4-Port and 8-Port ISDN BRI U Network Modules
Cisco Network Modules Hardware Installation Guide
7-8
Connecting BRI U Modules to a Network
To connect a BRI U module to a network, use a straight-through RJ-45-to-RJ-45 cable to
connect the ISDN BRI port to an RJ-45 jack. (See Figure 7-8.)
Figure 7-8 Connecting a BRI U Network Module to an RJ-45 ISDN Jack
BRI U Modules LEDs
Figure 7-9 shows LEDs for the 4-port BRI U network module, and Figure 7-10 shows
LEDs for the 8-port BRI U network module.
BRI 3
EN
BRI
U
B1
B2
BRI 2
B1
B2
BRI 1
B1
B2
BRI 0
B1
B2
NT1
NT1
NT1
NT1
H7474
RJ-45 jack
BRI U port (RJ-45)
Straight-through
RJ-45-to-RJ-45
cable