[asterisk-users] red alarm on tdm400 fxo (fxs signalled)

[A J Stiles]

On Friday 26 August 2011, Kelvin Chua wrote:
> has anybody ever seen a red alarm on an fxo port (tdm400) whenever you
> unplug a pstn line? I think i saw a post on the mailing list a few years
> back about this, but never actually seen one

That's what mine  (TDM410P clone with 2 * FXO + 2 * FXS)  does if a phone line 
is disconnected:  it gives a red alarm, but the alarm condition clears as soon 
as the line is plugged back in.

-- 
AJS

Answers come *after* questions.