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Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.5 (SIP)
OL-20861-01
APPENDIX
C
Technical Specifications
The following sections describe the technical specifications for the Cisco Unified IP Phone 8961, 9951,
and 9971.
• Physical and Operating Environment Specifications, page C-1
• Cable Specifications, page C-2
• Network and Computer 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 8961, 9951, and 9971.
Table C-1 Physical and Operating Specifications
Specification Value or Range
Operating temperature 32° to 104°F (0° to 40°C)
Operating relative humidity 10% to 95% (non-condensing)
Storage temperature 14° to 140°F (–10° to 60°C)
Height 8 in. (20.32 cm)
Width 10.5 in. (26.67 cm)
Depth 6 in. (15.24 cm)
Weight 3.5 lb. (1.6 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
Power consumed by the camera
1
1. Applicable only for Cisco Unified IP Phone 9951 and 9971 only.
290mA (1.45W) (excluding the power consumed by the phone)
Cables 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
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 330 feet (100 meters).