Cisco 7931G Administration Guide - Page 242

Cable Specifications Appendix C Technical Specifications Table C-1 Physical and Operating Specifications (continued) Specification Value or Range 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 for 10-Mbps cables 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 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). • RJ-45 jack for a second 10/100BaseT compliant connection (labeled 10/100 PC). • 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. In this table, "BI" stands for bidirectional, and DA, DB, DC and DD stand for "Data A", "Data B", "Data C" and "Data D", respectively. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.0 C-2 OL-12457-01