Cisco 8800 Series Manual page 497
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Also See for 8800 Series:
- Administration manual (406 pages) ,
- User manual (218 pages) ,
- Hardware installation manual (140 pages)
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Cisco IP Phone Accessories
Configuration
8851with 2 key expansion
modules
8861 with 1 key expansion
module
8861 with 2 key expansion
modules
8861 with 3 key expansion
modules
Note
• The fast-charging feature on the back USB does not work when more than one key expansion module
• The fast-charging feature on the back USB doesn't work when more than one key expansion module is
• Cisco IP Phone 8851 with 2 key expansion modules works on 802.3at PoE only with v08 or later hardware.
Table 99: Power-Supply Compatibility for Cisco IP Phone 8851/8861 Key Expansion Module and Cisco IP Phone 8865 Key Expansion Module
Configuration
8851 with 1 key expansion
module
8851with 2 key expansion
modules
8861 and 8865 with 1 key
expansion module
8861 and 8865 with 2 key
expansion modules
8861 and 8865 with 3 key
expansion modules
802.3af Power over Ethernet
(PoE)
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.
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.
802.3af Power over Ethernet
(PoE)
Yes
No
No
No
No
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
802.3at PoE
No
See the third note below
Yes
Yes
See the first note below
Yes
See the first note below
802.3at PoE
Yes
Yes
See the third note below
Yes
Yes
See the first note below
Yes
See the first note below
Cisco IP Phone Accessories
Cisco IP Phone Power Cube 4
Yes
Yes
Yes
Yes
Cisco IP Phone Power Cube 4
Yes
Yes
Yes
Yes
Yes
477
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Troubleshooting
