Administration Guide
Page 42
... the Ethernet cable attached to the phone • The Cisco Unified IP Phone 7975G support IEEE 802.3af Class 3 power on your switch supports your switch for your intended phone deployment. Table 2-1 Guidelines for Power Configurations Phone Model Cisco Unified IP Phone 7975G Power Configuration Max. Unified IP Phone Power Injector The Cisco Unified IP Phone Power Injector is connected between a switch port and the IP Phone, and supports a maximum cable length of...
... the Ethernet cable attached to the phone • The Cisco Unified IP Phone 7975G support IEEE 802.3af Class 3 power on your switch supports your switch for your intended phone deployment. Table 2-1 Guidelines for Power Configurations Phone Model Cisco Unified IP Phone 7975G Power Configuration Max. Unified IP Phone Power Injector The Cisco Unified IP Phone Power Injector is connected between a switch port and the IP Phone, and supports a maximum cable length of...