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Add on Modules on Avaya 9650 IP Phone

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RodNick

Technical User
Jun 5, 2012
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I am attempting to add 2 24 button add-on modules to an Avaya 9650 IP phone. I have programmed the phone to have 2 modules
and also changed the power switch on the back of the phone to high. The problem I am having is that the second module won't
power up. The first one works fine and i have switched the modules to make sure I didn't have a defective one. Is it possible
the power switch isn't working or do I need an external power supply for the second module. Any help would be appreciated.
Thanks! RodNick
 
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