Installation guide

Voice Interface Cards
Cisco WAN Interface Cards Hardware Installation Guide
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ISDN BRI Card LEDs
ISDN BRI voice interface cards have three LEDs as listed in Table 3-7.
If you have additional cards to install, proceed to the appropriate section(s) in this manual.
When you have finished all installations, see the software configuration guide that shipped
with your hardware.
Table 3-7 ISDN BRI Voice Interface Card LEDs
LED Meaning
B1 Call active on B1 channel
B2 Call active on B2 channel
OK Interface is connected to an
ISDN network