[Asterisk-Users] tdm400 fxo problem

Filippo Carone filippo.carone at gmail.com
Sat Dec 24 03:22:05 MST 2005


2005/12/23, Kerry Garrison <support at techdatapros.com>:
>
> Possible polarity problem with the jack.
> -Kerry
>


So I should to check I have +48VDC on the phone line (red wire is +). Right?
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