Cisco 7912G - IP Phone VoIP Administration Manual page 173

Appendix B Technical Specifications
Table B-2
Pin Number
1
2
3
4
5
6
7
8
1. When used to receive power from an inline
Access Port Connector
Table B-3
Table B-3
Pin Number
1
2
3
4
5
6
7
8
Cisco IP Phone Administration Guide for Cisco CallManager 3.3, Cisco IP Phones 7902G/7905G/7912G
OL-6313-01
Network Port Connector Pinouts
Function
TD+
TD-
RD+
+48 Volts return
+48 Volts return
RD-
+48 Volts source
+48 Volts source
power card in the Cisco Catalyst switch.
describes the access port connector pinouts.
Access Port Connector Pinouts
Function
RD+
RD-
TD+
Not Used
Not Used
TD-
Not Used
Not Used
1
1
1
1
Network Port Pinouts
B-3