Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Providing Power to the Phone
Power Outage
Your accessibility to emergency service through the phone is dependent on the phone being powered. If there is an interruption in the power supply, Service and Emergency Calling Service dialing will not function until power is restored. In the case of a power failure or disruption, you may need to reset or reconfigure equipment before using the Service or Emergency Calling Service dialing.
Obtaining Additional Information about Power
For related information about power, refer to the documents shown in Table
•Cisco switches that work with the Cisco Unified IP Phones 7975G,
•The Cisco IOS releases that support bidirectional power negotiation
•Other requirements and restrictions regarding power
Table | Related Documentation for Power | |
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Document Topics | URL | |
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Cisco Unified IP Phone | http://www.cisco.com/en/US/products/hw/phones/ps379/prod_installati | |
Power Injector |
| on_guides_list.html |
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PoE Solutions |
| http://www.cisco.com/en/US/netsol/ |
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| ns340/ns394/ns147/ns412/networking_solutions_package.html |
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Cisco Catalyst Switches | http://www.cisco.com/en/US/products/hw/switches/ps708/tsd_products | |
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| _support_series_home.html |
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Integrated Service Routers | http://www.cisco.com/en/US/products/hw/routers/index.html | |
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Cisco IOS Software | http://www.cisco.com/en/US/products/sw/iosswrel/products_ios_cisco_ | |
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| ios_software_category_home.html |
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Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5
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