Cisco 7975G - Cable Specifications

Value or rangeSpecification
3.25 lb (1.47 kg)Weight
Cisco Unified IP Phone 7975G, 7965G and 7945G:
• 100-240 VAC, 50-60 Hz, 0.5 A—when using the AC adapter
• 44V - 57V DC, 0.25 A—when using the in-line power over the network
cable
Cisco Unified IP Phone 7971G-GE and 7970G:
•
The phone can receive power from IEEE 802.3af-compliant data
switches (Class III).
•
The phone can be powered locally with a power adapter (Cisco part
number CP-PWR-CUBE-3=) and the appropriate power cord (power
requirements for the power adapter: 100-240 VAC, 50-60 Hz, 0.5 A).
Power options
For Cisco Unified IP Phone 7975G, 7965G, and 7945G:
•
Category 3/5/5e/6 for 10-Mbps cables with 4 pairs
•
Category 5/5e/6 for 100-Mbps cables with 4 pairs
•
Category 5e/6 for 1000-Mbps cables with 4 pairs
Cables have 4 pairs of wires for a total of 8
conductors.
Note
For Cisco Unified IP Phone 7971G-GE and 7970G:
•
Category 3/5/5e for 10-Mbps cables with 4 pairs
•
Category 5/5e for 100-Mbps cables with 4 pairs
•
Category 5e/6 for 1000-Mbps cables with 4 pairs
Cables have 4 pairs of wires for a total of 8
conductors.
Note
Cables
As supported by the Ethernet specification, it is assumed that the maximum
cable length between each Cisco Unified IP Phone and the switch is 100
meters (330 feet).
Distance requirements
Cable Specifications
•
RJ-9 jack (4-conductor) for handset and headset connection.
•
RJ-45 jack for the LAN 10/100/1000BaseT connection (labeled 10/100/1000 SW).
•
RJ-45 jack for a second 10/100/1000BaseT compliant connection (labeled 10/100/1000 PC).
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
260
Technical Specifications
Cable Specifications