Power Outage; Obtaining Additional Information About Power - Cisco CP-3911 - Unified SIP Phone 3911 VoIP Administration Manual

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

Power Outage

Obtaining Additional Information about Power

Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager
OL-14029-01
For more information, see the Cisco Unified IP Phone Power Injector Installation
Guide at the following location:
http://www.cisco.com/en/US/products/hw/phones/ps379/prod_installation_guide
09186a00806b0761.html
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 work with the Cisco Unified SIP Phone 3911
•
The Cisco Unified IOS releases that support bidirectional power negotiation
•
Other requirements and restrictions regarding power
•
Table 2-2 Related Documentation for Power
Document Topics
Cisco Unified IP Phone
Power Injector
PoE Solutions
Cisco Catalyst Switches
Providing Power to the Cisco Unified IP Phone
URL
http://www.cisco.com/en/US/products/hw/phones/p
s379/prod_installation_guides_list.html
http://www.cisco.com/en/US/netsol/
ns340/ns394/ns147/ns412/networking_solutions_pa
ckage.html
http://www.cisco.com/en/US/products/hw/switch-
es/tsd_products_support_category_home.html
Table 2-2.
2-5