Voice Port Connectors - Cisco uBR924 Installation Manual

Voice Port Connectors

Figure B-3
Examine the sequence of colored wires to determine the type of RJ-45 cable:
•
•
Note Both the standard straight-through and crossover Ethernet cables should be Category 5
UTP (RJ-45) cables. Cisco does not supply Category 5 UTP cables; these cables are
available commercially.
Voice Port Connectors
This section contains pinout and connection information for the three voice ports on the Cisco uBR924
router. The V1+V2 and V2 voice connectors are part of a dual-connector package. These are
symmetrical 6-pin connectors that use standard voice RJ-11 connectors and straight-through cables.
To enable the voice ports, use a Cisco IOS Release 12.0(5)T or higher interim image that
Note
supports VoIP and configure the router appropriately. See the Cisco uBR924 Software
Configuration Guide for more details.
Table B-2 lists the signals used on the voice ports.
Cisco uBR924 Router Hardware Installation Guide
B-4
RJ-45 Cable Identification
Straight-through—The colored wires are in the same sequence at both ends of the cable.
Crossover—The first (far left) colored wire at one end of the cable is the third colored wire at the
other end of the cable.
Appendix B Connector and Cable Specifications
OL-0338-01 (3/2000)