Cisco Cisco VN 2900 Network Adaptation Interface Installation Guide
Connecting Voice Interface Cards to the Network
FXS, FXO, and E&M Interface Card LEDs
9
OL-12847-01
Figure 11
Connecting the 2-Port E&M Card
Step 3
Connect the other end of the cable to an RJ-48C wall outlet.
FXS, FXO, and E&M Interface Card LEDs
Each voice interface card has IN USE LEDs, one for each port. These LEDs have three states: green
when active, off when ready for use, and amber when not ready for use.
when active, off when ready for use, and amber when not ready for use.
shows a voice interface
card with an E&M interface as an example.
Figure 12
Voice Interface Card LEDs
ISDN BRI Interface Cards
The ISDN BRI S/T voice interface card provides a client-side (TE) ISDN S/T physical interface for
connection to an NT1 device terminating an ISDN telephone network. Each port on the interface card
can carry two voice calls (one over each ISDN B channel), for a total of four calls per ISDN BRI card.
connection to an NT1 device terminating an ISDN telephone network. Each port on the interface card
can carry two voice calls (one over each ISDN B channel), for a total of four calls per ISDN BRI card.
ISDN BRI NT/TE voice interface cards (VIC-2BRI-NT/TE and VIC2-2BRI-NT/TE) have the same
capabilities as the S/T card, but can also be configured to provide a network termination (NT) interface
with phantom power.
capabilities as the S/T card, but can also be configured to provide a network termination (NT) interface
with phantom power.
Straight-through
RJ-48C-to-RJ-48C cable
RJ-48C ports
RJ-48C wall jack
41194
SEE MANUAL BEFORE INSTALLATION
VIC
E&M
IN USE
IN USE
1
0
41227
SEE MANUAL BEFORE INSTALLATION
VIC
E&M
IN USE
IN USE
1
0
LED
LED