Figure 7-9
4-Port ISDN BRI U Network Module LEDs
BRI
U
BRI 3
B1
B2
Figure 7-10
8-Port ISDN BRI U Network Module LEDs
BRI 7
BRI
U
B1
B2
BRI 3
B1
B2
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.
NT1 LEDs
BRI 2
BRI 1
B1
B1
B2
B2
ISDN BRI LEDs
NT1 LEDs
BRI 6
BRI 5
B1
B1
B2
B2
BRI 2
BRI 1
B1
B1
B2
B2
ISDN BRI LEDs
Connecting ISDN BRI Network Modules to a Network 7-9
BRI U Modules LEDs
BRI 0
B1
B2
EN
Enable LED
BRI 4
B1
B2
BRI 0
B1
B2
EN
Enable LED