Cable Specifications; Network And Access Port Pinouts - Cisco 7960G Administration Manual

For cisco callmanager 4.0
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Cable Specifications

Cable Specifications

Network and Access Port Pinouts

Cisco IP Phone Administration Guide for Cisco CallManager 4.0, Cisco IP Phones 7960G/7940G
D-2
Table D-1
Physical and Operating Specifications (continued)
Specification
Power
Cables
Distance Requirements As supported by the Ethernet Specification, it is
RJ-11 jack for handset connection
RJ-45 jack for the LAN 10/100BaseT connection (labeled LAN)
RJ-45 jack for a second 10/100BaseT compliant connection (labeled PC)
48-volt power connector. The diameter of the center pin in the phone power
jack (Switchcraft 712A) is 0.1 in. (2.5 mm). The center pin is positive (+)
voltage. The miniature power plug required to mate with the power jack on
the phone is a Switchcraft 760 or equivalent.
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 D-2
describes the network port connector pinouts.
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
Two (2) pair of Category 3 for 10-Mbps cables
Two (2) pair of Category 5 for 100-Mbps cables
assumed that most Cisco IP Phones should be within
330 feet (100m) of a phone closet.
Appendix D
Technical Specifications
OL-4825-01
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7940g

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