[asterisk-users] beta4: outgoing call causes Red Alarm on TDM400P

[sean darcy]

Tzafrir Cohen wrote:
> On Sun, Feb 24, 2008 at 05:38:43PM -0700, James Finstrom wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>>
>>
>> Sean,
>>
>> I believe the alarm is generated by the bits flipping 1111.
>> In "kewl" 1111 is hangup so every time you hang-up you could
>> potentially alarm. 
> 
> That is: if the FXS uses KS, then upon hangup it will deny power for a
> while. The FXO on the other side identifies this as if somebody
> disconnected the wire, and is temporarily in alarm.
> 
>> I don't know what the timer delay is but I think
>> anything over a second would be safe otherwise you will see red alarms
>> but they will probably be more of an annoyance than a serious issue.
> 
> Unless you actually want to keep the line open even upon recieving the
> power denial. I can't think of a practical use for this.
> 

I swapped to a different power connector for the card. Rebooted.

Still the same problem on the very first call after reboot.

Beginning to think this is a beta4 issue.

sean