3com Phones 1 800 544 0059

NBX Group - your source for all 3Com phones.

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What is the preferred power supply source for 3Com phone devices?

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We strongly recommend that you only use the 3Com NBX power supply, in that its specifications are to convert 120VAC power to 24VDC for the NBX IP phones and Analog Adaptors, and we do have them in stock. Call us at 800-544-0059 if you have any further questions.
Last Updated on Friday, 13 March 2009 12:27