Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 120

4- and 8-Port ISDN BRI S/T Network Modules
Figure 6-1
BRI
S/T
Figure 6-2
BRI
S/T
Connecting BRI S/T Modules to a Network
To connect a BRI S/T network module to a network, use a straight-through RJ-45-to-RJ-45 cable to
connect the ISDN BRI port to an NT1. (See
Figure 6-3
BRI S/T port (RJ-45)
Cisco Network Modules Hardware Installation Guide
6-2
4-Port ISDN BRI Network Module (S/T Interface)
8-Port ISDN BRI Network Module (S/T Interface)
BRI S/T ports (RJ-45)
BRI 7 BRI 6 BRI 5
B1 B2 B1 B2 B1 B2 B1
Connecting an ISDN BRI S/T Network Module to an NT1
BRI
ST
BRI 7
BRI 6
BRI 5
BRI 4
BRI 3
B1
B2 B1 B2
B1 B2
B1 B2
B1
BRI 3 BRI 2 BRI 1
B1 B2 B1 B2 B1
BRI S/T LEDs
BRI S/T ports (RJ-45)
BRI 4 BRI 3 BRI 2 BRI 1
B2 B1 B2 B1 B2 B1
Figure 6-3.) These ports are color-coded orange.
BRI 2 BRI 1
BRI 0
EN
B2
B1 B2
B1 B2 B1
B2
NT1 device
S/T port
Chapter 6 Connecting ISDN BRI Network Modules
BRI 0
EN
B2 B1 B2
Enable LED
BRI 0
EN
B2 B1 B2
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