Cisco CP-7975G Administration Guide - Page 50

Providing Power to the Phone Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network 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 2-3. These documents provide information about these topics: • Cisco switches that work with the Cisco Unified IP Phones 7975G, 7971G-GE, 7970G, 7965G, and 7945G • The Cisco IOS releases that support bidirectional power negotiation • Other requirements and restrictions regarding power Table 2-3 Related Documentation for Power Document Topics Cisco Unified IP Phone Power Injector PoE Solutions Cisco Catalyst Switches Integrated Service Routers Cisco IOS Software URL http://www.cisco.com/en/US/products/hw/phones/ps379/prod_installati on_guides_list.html http://www.cisco.com/en/US/netsol/ ns340/ns394/ns147/ns412/networking_solutions_package.html http://www.cisco.com/en/US/products/hw/switches/ps708/tsd_products _support_series_home.html http://www.cisco.com/en/US/products/hw/routers/index.html http://www.cisco.com/en/US/products/sw/iosswrel/products_ios_cisco_ ios_software_category_home.html Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5 2-6 OL-23092-01