Installation guide

Connecting ISDN BRI Network Modules to a Network 7-9
BRI U Modules LEDs
Figure 7-9 4-Port ISDN BRI U Network Module LEDs
Figure 7-10 8-Port ISDN BRI U Network Module LEDs
All network modules have an enable (EN) LED. This LED indicates that the module has
passed its self-tests and is available to the router.
BRI 3
EN
BRI
U
H7265
B1
B2
BRI 2
B1
B2
BRI 1
B1
B2
BRI 0
B1
B2
NT1 NT1 NT1 NT1
NT1 LEDs
ISDN BRI LEDs
Enable LED
BRI 3
EN
BRI
U
H7264
B1
B2
BRI 2
B1
B2
BRI 1
B1
B2
BRI 0
B1
B2
NT1 NT1 NT1 NT1
BRI 7
B1
B2
BRI 6
B1
B2
BRI 5
B1
B2
BRI 4
B1
B2
NT1 NT1 NT1 NT1
NT1 LEDs
ISDN BRI LEDs
Enable LED