[asterisk-users] Sangoma A200

Rob Hillis rob at hillis.dyndns.org
Mon Jun 29 03:56:55 CDT 2009


Alex Samad wrote:
>> Voltage isn't the issue - the difference is in the impedance.  Australia
>>     
>
> I get this in my dmesg when I load up the rdm410 modules
>
> [1083334.103487] Freed a Wildcard
> [1083336.171371] ALAW override parameter detected.  Device will be
> operating in ALAW
> [1083338.040522] Boosting ringer on slot 1 (89V peak)
> [1083338.040542] Port 1: Installed -- AUTO FXS/DPO
> [1083340.340472] Boosting ringer on slot 2 (89V peak)
> [1083340.340492] Port 2: Installed -- AUTO FXS/DPO
>   

ALAW is good - that's the default in use for Australia.

FXS ports aren't relevant since they're for extensions, not PSTN lines.

>> uses complex impedance (220+820Ohm resistors with a 120nF capacitor)
>> whereas the US uses a straight resistor.
>>     
>
> Did yo buy from the us or local ?

Local I believe, though I can't tell you through whom.  (I didn't handle
the purchase of the card - merely the installation)




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