Connecting ISDN BRI Network Modules to a Network 7-5
BRI S/T Module LEDs
Figure 7-4 4-Port ISDN BRI S/T Network Module LEDs
Figure 7-5 8-Port ISDN BRI S/T 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.
In addition, BRI S/T modules have two LEDs for each port. These LEDs indicate call
activity on the two ISDN BRI B channels, as listed in Table 7-2.
Table 7-2 BRI S/T Network Module LEDs
LED Meaning
B1 Call active on B1 channel
B2 Call active on B2 channel
BRI 3 BRI 2 BRI 1 BRI 0
EN
BRI
S/T
H7267
BRI S/T LEDs
B1 B2 B1 B2 B1 B2 B1 B2
Enable LED
BRI 7 BRI 6 BRI 5 BRI 4 BRI 3 BRI 2 BRI 1 BRI 0
EN
BRI
S/T
H7266
BRI S/T LEDs BRI S/T LEDs
B1 B2 B1 B2 B1 B2 B1 B2 B1 B2 B1 B2 B1 B2 B1 B2
Enable LED
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