Technical Specifications
The following sections describe the technical specifications for the Cisco Unified IP Phone 8961, 9951, and
9971.
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Physical and Operating Environment Specifications
The following table shows the physical and operating environment specifications for the Cisco Unified IP
Phone 8961, 9951, and 9971.
Table 59: Physical and Operating Specifications
Specification
Operating temperature
Operating relative humidity
Storage temperature
Height
Width
Depth
Weight
Power
Physical and Operating Environment Specifications, page 303
Cable Specifications, page 304
Network and Computer Port Pinouts, page 304
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
A P P E N D I X
Value or range
32° to 104°F (0° to 40°C)
10% to 95% (noncondensing)
14° to 140°F (–10° to 60°C)
8 in. (20.32 cm)
10.5 in. (26.67 cm)
6 in. (15.24 cm)
3.5 lb. (1.6 kg)
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
C
(SIP)
303