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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Providing Power to the Cisco Unified IP Phone
Providing Power to the Cisco Unified IP Phone
You can power a Cisco Unified IP Phone by the following sources:
•External
•Inline
Note Only the network port supports inline power from the Cisco Catalyst switches.
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This module sends power on pins 1 & 2 and 3 & 6, which are also used to transmit Ethernet signals. Before the switch sends power, it tests for the presence of a Cisco Unified IP Phone, avoiding damage to other Ethernet devices.
Note Only the network port supports inline power from the Cisco Catalyst switches.
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This module sends power on pins 4, 5, 7, & 8, which are not used for Ethernet signaling. The power patch panel also attempts to verify that the attached device is a Cisco Unified IP Phone before providing power.
Related Topics
•Understanding Interactions with Other Cisco Unified Communications Products, page
•Power Outage, page
Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SIP), Cisco Unified IP Phones
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