Chapter 1 1 Technical Specifications; Physical And Operating Environment - Cisco 8821 Administration Manual

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Technical Specifications

Physical and Operating Environment

The following table shows the physical and operating environment specifications for the Cisco Wireless IP
Phone 8821 and 8821-EX.
Table 20: Physical and Operating Specifications
Specification
Operating temperature
Operating relative humidity
Storage temperature
Drop Specification
Thermal Shock
Physical and Operating Environment, page 133
Bluetooth Technology, page 134
Headset Usage, page 135
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
C H A P T E R
8821
Value or Range
14° to 122°F (-10° to 50°C)
Operating: 10% to 95%
(non-condensing)
Non-operating: 10% to 95%
(non-condensing)
-22° to 140°F (–30° to 60°C)
6 ft (1.8 m) to concrete without
carrying case
-22°F (-30°C) for 24 hours to up to
158°F (+70°C) for 24 hours
11
8821-EX
Value or Range
14° to 122°F (-10° to 50°C)
10% to 95% (noncondensing)
-22° to 140°F (–30° to 60°C)
6 ft (1.8 m) to concrete without
carrying case
-22°F (-30°C) for 24 hours to up to
158°F (+70°C) for 24 hours
133

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