Cisco Systems OL-11953-01 manual Power Outage, Obtaining Additional Information about Power

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

		Providing Power to the Cisco Unified IP Phone
Table 2-2	Powering Guidelines—Cisco Unified IP Phone 7961G-GE and 7941G-GE (continued)
Power Type		Guidelines
PoE power—Provided by		• The gigabit Ethernet Cisco Unified IP Phone 79161G-GE and
a switch through the		7941G-GE do not support Cisco inline PoE.
Ethernet cable attached		• The Cisco Unified IP Phone 7961G-GE and 7941G-GE support IEEE
to the phone.
		802.3af power on signal pairs and spare pairs. The Cisco Unified IP
		Phone 79161G-GE and 7941G-GE are not compatible with Cisco
		switches that are not IEEE-compliant.
		• To ensure uninterruptible operation of the phone, make sure that the
		switch has a backup power supply.
		• Make sure that the CatOS or IOS version running on your switch
		supports your intended phone deployment. Refer to the documentation
		for your switch for operating system version information.
External power—		The inline power patch panel WS-PWR-PANEL is compatible with the
Provided through inline		Cisco Unified IP Phones 7961G-GE and 7941G-GE.
power patch panel
WS-PWR-PANEL

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 the following topics:

•Cisco switches that work with the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE

•The Cisco IOS releases that support bidirectional power negotiation

Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.0

OL-11953-01 2-7