Key Expansion Module Buttons And Hardware - Cisco 8800 Series User Manual

Key Expansion Module Buttons and Hardware

Table 9: Key Expansion Module Support
Cisco IP Phone Model
Cisco IP Phone 8851 and 8851NR 2; providing 72 lines or buttons
Cisco IP Phone 8861
Cisco IP Phone 8865 and 8865NR 3; providing 108 lines or buttons
When multiple key expansion modules are attached to the phone, they are numbered according to the order
in which they are connected to the phone. For example:
• Key expansion module 1 is the closest unit to the phone.
• Key expansion module 2 is the unit in the middle.
• Key expansion module 3 is the farthest unit from the phone.
Figure 4: Cisco IP Phone 8861 with Three Cisco IP Phone 8800 Key Expansion Modules
The slots in the side of the phone are designed only for use with the spine connectors on the key expansion
Caution
module. Insertion of other objects permanently damages the phone.
When you use key expansion modules, check with your administrator about power requirements.
Key Expansion Module Buttons and Hardware
The following table describes the features of the key expansion module.
Cisco IP Phone 8800 Series User Guide
84
Supported Single LCD Key
Expansion Modules
3; providing 108 lines or buttons
Accessories
SupportedDualLCDKeyExpansion
Modules
2; providing 56 lines or buttons
3; providing 84 lines or buttons
3; providing 84 lines or buttons