Aastra Telecom 6753I - Manual (Page 11)

Model 6753i IP Phone User Guide 3
Introduction
• Power source
— For Ethernet networks that supply in-line power to the phone (IEEE 802.3af):
— For power, use the Ethernet cable (supplied) to connect from the phone directly to the
network for power. (No 48v AC power adapter required.)
— For Ethernet networks that DO NOT supply power to the phone:
— For power, use the 48V AC Power Adapter (included) to connect from the DC power
port on the phone to a power source.
or
— (optional) - For power, use a Power over Ethernet (PoE) power injector or a PoE
switch. A PoE power injector is available as an optional accessory from Aastra
Telecom. Contact your Administrator for more information.
Installation and Setup
If your System Administrator has not already setup your 6753i phone, please refer to the Aastra
6753i Installation Guide for basic installation and physical setup of the 6753i. For more advanced
administration and configuration information, System Administrators should refer to the
Aastra SIP IP Phone Administrator Guide.