Cisco Unified IP Phone 6921

Cisco Unified IP Phone 6921 Technical Specifications Physical and Operating Environment Specifications Specification Value or Range Operating temperature 23° to 113°F (–5° to 45°C) Operating relative humidity 10% to 90% (noncondensing) Storage temperature –13° to 176°F (–25° to 80°C) Height 7.3 in. (18.57 cm) Width Cisco Unified IP Phone 6921: 164 x 188 x 205 m(6.4 x 7.4 x 8.1 in.) Depth 7.1 in. (18.05 cm) Weight Cisco Unified IP Phone 6921: Standard: 1031g (36 oz); Slimline: 940g (33 oz) 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 Category 3/5/5e for 10-Mbps cables with 4 pairsCategory 5/5e for 100-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 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 10/100BaseT connection (labeled 10/100 • RJ-45 jack for a second 10/100BaseT compliant connection (labeled 10/100 PC on the Cisco Unified IP Phone 6921, 6941, 6945, and 6961) • 48-volt power connector Network, Access, and Auxiliary Port Pinouts Although both the network and access ports are used for network connectivity. • The network port is labeled network on the Cisco Unified IP Phone. • The access port is labeled Computer on the Cisco Unified IP Phone