Network Port Pinouts - Cisco 3951 Administration Manual

Network Port Pinouts

Table C-1 Physical and Operating Specifications (continued)
Specification
Power
Cables
Distance Requirements As supported by the Ethernet Specification, it is assumed that most
Network Port Pinouts
Cisco Unified SIP Phone 3951 Administration Guide for Cisco Unified CallManager 5.1
C-2
Value or Range
100-240 VAC, 50-60 Hz, 0.5 A—when using the AC adapter
•
48 VDC, 0.2 A—when using the in-line power over the network cable
•
One (2) pair of Category 3 for 10-Mbps cables or
•
One (2) pair of Category 5 for 100-Mbps cables
RJ-9 jack (4-conductor) for handset and headset connection.
•
RJ-45 jack for the LAN 10/100BaseT connection.
•
48-volt power connector.
•
•
Cisco Unified IP Phones should be within 330 feet (100m) of a phone closet.
Although both the network and access ports are used for network connectivity,
they serve different purposes and have different port pinouts.
Table C-2 describes the network port connector pinouts.
Table C-2 Network Port Connector Pinouts
Pin Number Function
1 TD+
2 TD–
3 RD+
4 Not used
5 Not used
6 RD–
7 Not used
8 Not used
Appendix C Technical Specifications
OL-10969-01