[Asterisk-Dev] Wildcard TDM400P dies every few weeks...cause?

[Karl Brose]

Your report is very interesting as we have observed identical behavior
at one installation. Rebooting the machine takes care of it as well.
The installation is also running RH9 and *-1.0, but in our case there
are no FXS ports, only 2 cards x 4 FXO ports with telco CO lines coming in.
With another report like yours, I know now it's not just some random
local fluke.
The static noice seems to indicate some electrical problems. I think
it may have been associated with decreased audio volume or dynamic range.
Will keep an eye on that more from now on.
Thanks for your report.




Leclerc Lou wrote:

>Hello,
>
>We have a 4 port TDM400P (2FXO, 2FXS) in our small office
>asterisk server running 1.0 stable on Redhat 9. Two
>channels are on phone lines, the other two on analog
>phones.
>
>About once every couple weeks, either the phones connected
>to this card die (get static, but no dialtone when we lift
>the receiver), or the connections to the telco lines from
>this card die (they no longer detect ringing, or answer
>and out bound calls to the PSTN are noise and static
>only).
>
>Except for the above, asterisk is fine, and doesn't (as
>far as I can see) report anything unusual. SIP phones are
>OK, and the IAX connections are fine. Just the TDM card
>has died.
>
>Restarting asterisk doesn't fix it, rather the machine
>needs to be rebooted (a Compaq DeskPro 400Mhz Pentium
>box), then everything is OK again.
>
>Does anyone have any clue about what might be happening
>(or where we could look when this has happened to arrive
>at a root cause?)
>
>Background:
>
>The Digium card is on IRQ 11, which is also shared by the
>ethernet card and the USB port on this PC.
>
>This PC has no other function except being the asterisk
>server, so it is not busy at all.
>
>It has 128M ram, runs RH9, asterisk v1.0 stable. There is
>nothing else in the machine unusual.
>
>Any thoughts are welcome. 
>
>Cheers,
>
>Lou
>
>
>
>
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