[asterisk-users] S110M not working

[Noah Miller]

> Hi.  FXS cards use FXO signalling, and vice versa.  Think of it this way:
> FXS cards want to look like a CO when talking to stations, and FXO cards
> want to look like a phone when talking to a CO.

Thanks, Barry.  I am aware of this.  You'll notice in the config line
that I used fxo signalling.

I'm just thinking that the failure that dahdi_scan see may be because
the s110 isn't getting power.




On Tue, Nov 16, 2010 at 1:46 PM, Barry Miller
<asterisk-users at notanet.net> wrote:
> On Tue, Nov 16, 2010 at 01:17:08PM -0500, Noah Miller wrote:
>> Hi All -
>>
>> I pulled from a working system a TDM400 with one s110 fxs and three
>> x100 fxos.  I put it into a new box and the fxs no longer works.  The
>> fxos work just fine.  I thought it was odd, but I chalked it up to a
>> random chance failure and ordered another s110.  The replacement
>> doesn't work either, and now I'm confused.
>>
>> dahdi_scan recognizes the s110, but it says it fails.  Output looks like this:
>>
>> [2]
>> active=yes
>> alarms=OK
>> description=Wildcard TDM400P REV E/F Board 5
>> name=WCTDM/4
>> manufacturer=Digium
>> devicetype=Wildcard TDM400P REV E/F
>> location=PCI Bus 05 Slot 01
>> basechan=5
>> totchans=4
>> irq=169
>> type=analog
>> port=5,FXO
>> port=6,FXO
>> port=7,FXO
>> port=8,FXS FAILED
>>
>> I tried moving both the s110s to other positions on the TDM400, but it
>> fails in all of them.
>>
>> Is this a power issue?  The system it's in only has sata power
>> connectors, so I had to splice on an ide power connector.  Both the 5v
>> and 12v lines are connected through all the way from the power supply
>> to the tdm400 card.
>>
>> If I force the issue, and manually configure the s110 like this:
>> ---------------
>> fxoks=8
>> echocanceller=mg2,8
>> ---------------
>> the dahdi startup script throws this error:
>>
>> Running dahdi_cfg:  DAHDI_CHANCONFIG failed on channel 8: Invalid argument (22)
>> Selected signaling not supported
>> Possible causes:
>>         FXO signaling is being used on a FXO interface (use a FXS
>> signaling variant)
>>         RBS signaling is being used on a E1 CCS span
>>         Signaling is being assigned to channel 16 of an E1 CAS span
>>
>>
>> Have I bungled the power connection and/or the config, or am I just
>> extremely unlucky and have two bad s110s?
>
> Hi.  FXS cards use FXO signalling, and vice versa.  Think of it this way:
> FXS cards want to look like a CO when talking to stations, and FXO cards
> want to look like a phone when talking to a CO.
>
> --
> Barry
>
> --
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