Connect A Key Expansion Module To A Cisco Ip Phone - Cisco 8800 Manual

Cisco IP Phone Key Expansion Module
Table 2: Power-Supply Compatibility Table
Configuration
8851 with 1 expansion module
8851with 2 expansion modules
8861 with 1 expansion module
8861 with 2 expansion modules
8861 with 3 expansion modules
8865 with 1 expansion module
8865 with 2 expansion modules
8865 with 3 expansion modules
Note • The fast-charging feature on the back USB does not work when more than one expansion module
• The fast-charging feature on the back USB doesn't work when more than one expansion module is
• Cisco IP Phone 8851 with 2 expansion modules will work on 802.3at PoE only with v08 or later

Connect a Key Expansion Module to a Cisco IP Phone

If you want to install more than one expansion module, you repeat steps 7-9 to connect the other expansion
modules together.
802.3af Power over Ethernet
(PoE)
Yes
No
No
No
No
No
No
No
is attached to a Cisco IP Phone 8861 using 802.3at PoE.
attached to a Cisco IP Phone 8861 unless Cisco Universal PoE (UPoE) is used.
hardware. You can find the phone version information on the lower back of the phone as part of the
TAN and PID label. Version information is also located on the individual phone packaging.
Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager
Connect a Key Expansion Module to a Cisco IP Phone
802.3at PoE
Yes
No
See the third note above
Yes
Yes
See the first note above
Yes
See the first note above
Yes
Yes
See the second note above
Yes
See the second note above
Cisco IP Phone Power Cube 4
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
3