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Chapter 3
Removing and Installing Port Adapters
Connecting Interface Cables
The PA-VXA, PA-VXB, and PA-VXC port adapters use shielded twisted-pair cables with RJ-45
connectors to connect to a PBX or to the PSTN.
Shielded cables (foil twisted-pair [FTP]) with 120-ohm impedance are required to comply with CE
marking requirements. These shielded cables are not available from Cisco Systems; they are available
from outside commercial cable vendors.
To connect shielded twisted-pair cables with RJ-45 connectors to the PA-VXA, PA-VXB, or PA-VXC
port adapters, proceed as follows:
Attach the cable directly to one of the RJ-45 ports on the PA-VXA, PA-VXB, or PA-VXC port adapter.
Step 1
Step 2
Attach the network end of the cable to your external equipment.
Step 3
Repeat
Figure 3-3
Note
Port adapters have a handle attached, but this handle is not shown in
of the detail on each port adapter faceplate.
OL-3592-02
Step 1
and
Step 2
for the other PA-VXB or PA-VXC port.
Connecting the PA-VXC Twisted-Pair Cable with RJ-45 Connector
0
Twisted-pair cable
with RJ-45 connector
To PBX or PSTN
T1/E1 Digital Voice Port Adapter Installation and Configuration
Connecting Interface Cables
2T1/E1 VXC
1
Figure 3-3
to allow a full view
3-15
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Troubleshooting
