Appendix C Technical Specifications
Cable Specifications
C-2
Cisco IP Phone Administration Guide for Cisco CallManager, Cisco IP Phone 7961G/7961G-GE and 7941G/7941G-GE
OL-6966-01
Cable Specifications
• RJ-9 jack (4-conductor) for handset and headset connection.
• RJ-45 jack for the LAN 10/100BaseT connection (labeled 10/100 SW on the
Cisco IP Phone 7961G and 7941G; labeled 10/100/1000 SW on the
Cisco IP Phone 7961G-GE and 7941G-GE).
• RJ-45 jack for a second 10/100BaseT compliant connection (labeled 10/100
PC on the Cisco IP Phone 7961G and 7941G; labeled 10/100/1000 PC on the
Cisco IP Phone 7961G-GE and 7941G-GE).
• 48-volt power connector.
Network and Access Port Pinouts
Although both the network and access ports are used for network connectivity,
they serve different purposes and have different port pinouts.
Power
• 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
Cables Two (2) pair of Category 3 for 10-Mbps cables
Two (2) pair of Category 5 for 100-Mbps cables
Distance Requirements As supported by the Ethernet Specification, it is assumed that most
Cisco IP Phones should be within 330 feet (100m) of a phone closet.
Table C-1 Physical and Operating Specifications (continued)
Specification Value or Range
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