Cisco 7941G Administration Guide - Page 60

Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Providing Power to the Cisco Unified IP Phone Table 2-1 Powering Guidelines-Cisco Unified IP Phone 7961G and 7941G (continued) Power Type Guidelines PoE power-Provided by a switch through the Ethernet cable attached to the phone. • The Cisco Unified IP Phone 7961G and 7941G support Cisco inline PoE. • The Cisco Unified IP Phone 7961G and 7941G support IEEE 802.3af power on signal pairs and spare pairs. • 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- Provided through inline power patch panel WS-PWR-PANEL The inline power patch panel WS-PWR-PANEL is compatible with the Cisco Unified IP Phones 7961G and 7941G. Table 2-2 Powering Guidelines-Cisco Unified IP Phone 7961G-GE and 7941G-GE Power Type External power- Provided through the CP-PWR-CUBE-3 external power supply. External power- Provided through the Cisco Unified IP Phone Power Injector. Guidelines • The Cisco Unified IP Phone 7961G-GE and 7941G-GE use the CP-PWR-CUBE-3 external power supply only. The Cisco Unified IP Phone Power Injector may be used with any Cisco Unified IP Phone. Functioning as a midspan device, the injector delivers inline power to the attached phone. The Cisco Unified IP Phone Power Injector is connected between a switch port and the IP Phone, and supports a maximum cable length of 100m between the unpowered switch and the IP Phone. Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1 2-6 OL-14620-01