Cisco IP Phone Power Cube 4802.3at PoE802.3af Power over Ethernet
(PoE)
Configuration
YesNo
See the third note.
No8851 and 2 expansion modules
YesYesNo8861 and 1 expansion module
YesYes
See the first note.
No8861 and 2 expansion modules
YesYes
See the first note.
No8861 and 3 expansion modules
YesYesNo8865 and 1 expansion module
YesYes
See the second note.
No8865 and 2 expansion modules
YesYes
See the second note.
No8865 and 3 expansion modules
Be familiar with the following items:
• Cisco IP Phone 8861 using 802.3at PoE: The fast-charging feature on the back USB is not supported
when more than one expansion module is used.
• Cisco IP Phone 8865: The fast-charging feature on the back USB requires Cisco Universal PoE (UPoE)
when more than one expansion module is attached.
• Cisco IP Phone 8851 with 2 expansion modules: 802.3at PoE is supported only with v08 or later 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.
Note
Cisco IP Phone 7800 and 8800 Series Accessories Guide for Cisco Unified Communications Manager
64
Key Expansion Modules
Key Expansion Module Power Information
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