Cisco 6921 Administration Guide

C-1
Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-24567-01
APPENDIX
C
Technical Specifications
The following sections describe the technical specifications for the Cisco Unified IP Phone 6921, 6941,
6945, and 6961.
• Physical and Operating Environment Specifications, page C-1
• Cable Specifications, page C-2
• Network and Access Port Pinouts, page C-2
Physical and Operating Environment Specifications
Table C-1 shows the physical and operating environment specifications for the Cisco Unified
IP Phone 6921, 6941, 6945, and 6961.
Table C-1 Physical and Operating Specifications
Specification Value or Range
Operating temperature 23° to 113°F (–5° to 45°C)
Operating relative
humidity
10% to 90% (non-condensing)
Storage temperature –13° to 176°F (–25° to 80°C)
Height 7.3 in. (18.57 cm)
Width 5.8 in. (14.79 cm)
Depth 7.1 in. (18.05 cm)
Weight 2.2 lb (1.0 kg)
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 pairs
Category 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 and the switch is
100 meters (330 feet).

Cisco 6921 Specifications

General

Brand	Cisco
Model	6921
Category	IP Phone
Language	English