[asterisk-users] S110M not working

[Barry Miller]

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