RJ11 to RJ45

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 Question by rey posted 14 Oct 2004
 RJ11 to RJ45
I have a phone which is rj11 I need to connect to a rj45 ethernet jack to fet to the pbx. Will this work
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 Answer by Dmitri Abaimov posted 14 Oct 2004
Dear Rey,

The answer is yes, on one obvious condition:

The jack is connected to the PBX on the other end in such way that the PBX extension port is connected to pair #1 (blue/white-blue).

This is, of course, assuming the PBX can talk to this particular type of phone (proprietary feature phone vs. analog).

Sincerely,
Dmitri Abaimov, RCDD

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