Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 122

4- and 8-Port ISDN BRI U Network Modules
Figure 6-6
BRI
U
Figure 6-7
BRI
U
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 6-8
BRI
U
Cisco Network Modules Hardware Installation Guide
6-4
4-Port ISDN BRI with NT1 Network Module (U Interface)
BRI 3 BRI 2
B1 B1
B2 B2
8-Port ISDN BRI with NT1 Network Module (U Interface)
BRI 7 BRI 6
B1 B1
B2 B2
BRI 3 BRI 2
B1 B1
B2 B2
ISDN BRI LEDs
Connecting a BRI U Network Module to an RJ-45 ISDN Jack
BRI U port (RJ-45)
BRI 3
BRI 2
BRI 1
B1
B1
B1
B2
B2
B2
Straight-through
RJ-45-to-RJ-45
cable
RJ-45 jack
BRI U ports (RJ-45)
BRI 1 BRI 0
B1 B1
B2 B2
NT1 LEDs
BRI 5 BRI 4
B1 B1
B2 B2
BRI 1 BRI 0
B1 B1
B2 B2
Figure 6-8.) These ports are color-coded red.
BRI 0
B1
B2
EN
Chapter 6 Connecting ISDN BRI Network Modules
EN
EN
Enable LED
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