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Cisco 7942G - Unified IP Phone VoIP マニュアル

Installation

This chapter describes how to install and connect the phone to the electrical power and data
network as well as how to apply factory settings.
The following topics are covered:

Power adapter

Factory settings
Power adapter
Connect the Network and Power
Connect the DC plug on the power adapter to the DC port on the phone and connect the other
end of the power adapter into an electrical power outlet.
Connect the ethernet cable between the Internet port on the phone and the network port on a
router or switch to access LAN.

Reset to factory settings

Reset to factory settings
This step is not required for out-of-the-box phones, however, if the phone has been already used
then it is a must.
Unplug the power cable from the phone.
Hold down the # key, and then plug the power cable in again. The phone should begin its
power up cycle.
Release the # key after the Speaker button is no longer lit. You should this message displayed
on the phone: Reset key sequence detected
Press 123456789*0# (or in some cases this sequence is 3491672850*# ) within 60 seconds
after the Headset, Mute, and Speaker buttons begin to flash.
-If you fail to complete this key sequence or do not press any keys, the Headset, Mute, and
Speaker buttons will stop flashing after 60 seconds and the phone will continue with its normal
start-up process. The phone will not reset.
-If you enter an invalid key sequence, the buttons will stop flashing immediately and the phone
will continue with its normal start-up process. The phone will not reset.
If you enter this key sequence correctly, the phone displays this prompt:
Keep network cfg? 1 = yes 2 = no
-To maintain existing network configuration settings for the phone when the phone resets, press
1.
-To reset network configuration settings when the phone resets, press 2.
-If you press another key or do not respond to this prompt within 60 seconds, the phone will