Key Expansion Module Installation On Cisco Unified Ip Phone; Kem Power Information; Connect Single Kem To Cisco Unified Ip Phone - Cisco 8961 Administration Manual
Unified communications manager 10.0 sip
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Key Expansion Module Installation on Cisco Unified IP Phone
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Key Expansion Module Installation on Cisco Unified IP Phone
This section describes the requirements and steps to install a Cisco Unified IP Phone Key Expansion Module.
KEM Power Information
The Cisco Unified IP Color Key Expansion Module for the Cisco Unified IP Phone 8961, 9951, and 9971
possesses the following power consumption and power scheme:
Power consumption
Power scheme
Connect Single KEM to Cisco Unified IP Phone
To connect a single KEM to the Cisco Unified IP Phone, follow these steps:
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager
10.0 (SIP)
72
REVIEW DRAFT - CISCO CONFIDENTIAL
Key Expansion Module Removal, page 76
Troubleshoot the KEM, page 76
48V DC, 5W per KEM
• If the Cisco Unified IP Phone 8961, 9951, and 9971 uses AT PoE, at least one KEM can be
powered up.
• If the phone uses a power adapter, three KEMs can be powered up for the Cisco Unified IP Phone
9971, two KEMs can be powered up for the Cisco Unified IP Phone 9951, and one KEM can be
powered up for the Cisco Unified IP Phone 8961.
• If the Cisco Unified IP Phone 8961, 9951, and 9971 uses AF PoE, a KEM cannot be powered up.
• With AT power, the Cisco Unified IP Phones 9951 and 9971 can support two KEMs plus a USB
headset or another USB device that is independently powered and only uses USB for signalling.
• The Cisco Unified IP Phone 9971 needs a power cube to support three KEMS.
• With AF power, the Cisco Unified IP Phones 9951 and 9971 need power cubes for any KEMS.
The Cisco Unified IP Phone 8961 can support one KEM with CDP, AF power, and no power
cube.
Cisco Unified IP Color Key Expansion Module Setup
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- Cisco Unified Ip Phone 8961, 9951,...
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