Power Outage; Obtaining Additional Information About Power - Cisco 7970G Administration Manual

Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network

Power Outage

Obtaining Additional Information about Power

Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
OL-11524-01
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.
For related information about power, refer to the documents shown in
These documents provide information about the following topics:
Cisco switches that support the Cisco Unified IP Phones 7970G/7971G-GE
•
Cisco IOS releases that support bidirectional power negotiation
•
Other requirements and restrictions regarding power
•
Table 2-3 Related Information About Power
Document Topics
Cisco Unified IP Phone Power Injector
PoE Power Solutions
Cisco Catalyst Switches
Integrated Service Routers
Cisco IOS Software
Providing Power to the Phone
URL
http://www.cisco.com/en/US/products
/hw/phones/ps379/prod_installation_g
uides_list.html
http://www.cisco.com/en/US/netsol/
ns340/ns394/ns147/ns412/networking
_solutions_package.html
http://www.cisco.com/univercd/cc/td/
doc/product/lan/index.htm
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
Table 2-3.
2-7