[asterisk-users] Is this bad hardware? Dahdi-v-X100 clone

Tzafrir Cohen tzafrir.cohen at xorcom.com
Mon Dec 14 14:27:55 CST 2009


On Mon, Dec 14, 2009 at 02:17:39PM -0300, Vinícius Fontes wrote:
> I have never used that card myself, but I have never seen an analog 
> board reporting a RED alarm.

Ahem. Wcfxo always has (AFAIR). "Red alarm" means that no line is
connected (it gets no current from the remote FXS in the central
office).

Later on most DAHDI drivers of FXO ports started to use this signalling
(though for the specific port rather than for the whole span).

If you connect a standard analog phone instead of that card and get a
dial tone, something is fishy with the card (or the driver) as it is
mis-reporting.

-- 
               Tzafrir Cohen
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