AppendixC Technical Specifications
Cable Specifications
C-2
Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager
OL-10008-01
Cable Specifications
RJ-9 jack (4-conductor) for handset and headset connection.
RJ-45 jack for the LAN 10/100BaseT connection (labeled 10/100SW).
RJ-45 jack for the access port 10/100BaseT connection (labeled 10/100PC).
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.
Network Port Connector
Table C -2 describes the network port connector 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 Unified IP Phones should be
within 100m (330 feet) of a phone closet
TableC-1 Physical and Operating Specifications (continued)
Specification Value or Range
TableC-2 Network Port Connector Pinouts
Pin Number Function
1TD+
2TD-