Installation guide

Voice Interface Cards
Cisco WAN Interface Cards Hardware Installation Guide
3-30
Figure 3-28 Voice Interface Card LEDs
2-Port ISDN BRI Card
The ISDN BRI voice interface card provides a client-side (TE) ISDN S/T physical interface
for connection to an NT1 terminating an ISDN telephone network. Each of its two ports can
carry two voice calls (one over each ISDN B channel) for a total of four calls per ISDN BRI
card.
The card is illustrated in Figure 3-29.
Figure 3-29 2-Port ISDN BRI Card Front Panel
H10838
SEE MANUAL BEFORE INSTALLATION
VIC
E&M
IN USE IN USE
1 0
LED LED
17368
VIC
2B-S/T TE
B1
B2
OK
SEE
MANUAL
BEFORE
INTALLATION
ISDN BRI S/T 1
ISDN BRI S/T 0
RJ-45 ports