G-3
Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SCCP), Cisco Unified IP Phones
OL-8151-01
Appendix G Technical Specifications
Network Port Pinouts
Access Port Connector
describes the access port connector pinouts.
Table G-2
Network Port Connector Pinouts
Pin Number
Function
1
TD+
2
TD-
3
RD+
4
+48 Volts return
1
1.
When used to receive power from an inline
power card in the Cisco Catalyst switch.
5
+48 Volts return
6
RD-
7
+48 Volts source
8
+48 Volts source
Table G-3
Access Port Connector Pinouts
Pin Number
Function
1
RD+
2
RD-
3
TD+
4
Not Used
5
Not Used
6
TD-
7
Not Used
8
Not Used
Содержание 7902G - Unified IP Phone VoIP
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