Cisco 7970G Administration Guide - Page 280

Cable Specifications Appendix D Technical Specifications Table D-1 Physical and Operating Specifications (continued) Specification Value or Range Weight 3.25 lb (1.47 kg) Power options • 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) Cables 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 Note Cables have 4 pairs of wires for a total of 8 conductors. Distance requirements 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). 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). • 3.5 mm jack for microphone and speaker connection. • 48-volt power connector. Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 6.1 D-2 OL-14626-01