RJ-45 cable (through a patch panel) to central
office
3Distribution panel1
Network demarcation4RJ-21 cable2
Connecting the Analog Voice Interface to a Distribution Panel
Before you begin
Make sure that you have an RJ-21 cable with Amphenol 50-pin connectors.
For information on RJ-21X/CA21A pinouts, see Cable Specifications and Information.
This equipment contains a ring signal generator (ringer), which is a source of hazardous voltage. Do not touch
the RJ-11 (phone) port wires (conductors), the conductors of a cable connected to the RJ-11 port, or the
associated circuit-board when the ringer is active. The ringer is activated by an incoming call. Statement 1042
Warning
Procedure
Step 1 Connect the RJ-21 cable from the analog voice multiport to the distribution panel.
Step 2 Secure the cable in place using the strap.
Figure 12: Analog Voice Connection
Distribution panel2RJ-21 cable1
Ports, Connectors, and Pinouts
The following table summarizes the cable connections between the voice gateway and the network and user
interfaces. Find the port and the equipment or network type in the table and then look at the applicable pinout
table in Cable Specifications and Information.
Installing the Cisco VG310 and Cisco VG320 Voice Gateways
22
Installing the Cisco VG310 and Cisco VG320 Voice Gateways
Connecting the Analog Voice Interface to a Distribution Panel
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