CISCO IP PHONE  8800 KEY EXPANSION MODULE CP-BEKEM
Specifications

Physical dimensions
(H x W x D)    9.02 x 5.15 x 1.58 in.
(229.14 x 130.78 x 40.2 mm)

Weight    1.08 lb (489g)

Power   48 VDC, 117 mA maximum

Operating temperature    32 to 104°F (0 to 40°C)

Relative humidity    10 to 95%

Storage temperature    12 to 140°F (-10 to 60°C)

Feature   

Illuminated Buttons

Off (dark)   Line available

Green, steady    Line in use

Red, steady    Line in use by shared line

Amber, flashing    Line ringing

Illuminated Page Buttons

Off (dark)    Page not in focus

Green, steady    Page in focus

Amber, flashing    Page not in focus, with one or more alerting or on-hold calls present on page

Hardware and Power-Saving Features

Graphical display
   
The 4.3-inch graphical (TFT) color display provides 16-bit color depth and 480 x 272 effective pixel resolution, with backlight. The display also supports localization requiring double-byte Unicode encoding for fonts.

Articulation
    

You can articulate the display to match the same angle as the Cisco IP Phone 8851, 8861, and 8865 that it is connected to.

Directory-number and feature buttons   

The module has 18 physical buttons (36 using page keys).

Page buttons    Use the two page buttons to access each page of 18 buttons and provide phone status.

Sleep or inactivity mode    When Cisco IP Phone 8851, 8861, and 8865 models are in power-saving sleep or inactivity mode, the Cisco IP Phone 8800 KEM is also in sleep or inactivity mode. Pressing any button on the key expansion module causes the display to awaken. The system administrator configures the inactivity period.