[Hai-users] VoIP compatibility

[Dudoussat, Scott A.]

If you have an older OP2 board (which it looks like you do), the phone line voltage is polarity sensitive, and you currently have the polarity reversed.  Just swap the wires on the red and green terminals and you should be good.

Let me know how it works.

Scott

-----Original Message-----
From: Dave Horoschak [mailto:dth at comcast.net] 
Sent: Wednesday, March 10, 2010 1:56 PM
To: Dudoussat, Scott A.
Subject: Re: [Hai-users] VoIP compatibility

Measuring at the terminal strip in the panel with the red probe on the 
red terminal and the black probe on the green terminal (which correspond 
to the same color wires coming from the RJ31X) I'm getting a positive 
voltage.

Dudoussat, Scott A. wrote:
> Where exactly are you measuring the voltage?  You should have one probe on the "GRN" and the other probe on the "RED" terminal under the section marked "PHONE" on the Omni controller.
> 
> With the red probe on the "RED" terminal and the black probe on the "GRN" terminal, are you measuring a positive or negative voltage?
> 
> Scott
> 
> -----Original Message-----
> From: hai-users-bounces at tssi.com [mailto:hai-users-bounces at tssi.com] On Behalf Of Dave Horoschak
> Sent: Wednesday, March 10, 2010 1:22 PM
> To: HAI LIst
> Subject: Re: [Hai-users] VoIP compatibility
> 
> Do you know what the panel wants to see?
> 
> Metering right there, I get a solid 49.67v on hook, 11.35v off hook, and 
> flashes in the 5-12v area for an incoming call.  Seems pretty good to 
> me.  Yet, the panel reports a phone level of 0 for both on hook and off 
> hook.  Only time I see a change is for incoming calls.
> 
> Seems like the panel isn't working right.
>   - Dave
> 
> Pierre Metivier wrote:
>> I have run into this a few times and its always been low voltage from 
>> the cable company. They should be able to adjust it to be closer to 50 
>> volts. If its to low you will get all sorts of problems from panel. You 
>> can check with a voltmeter on incoming line to house!
>>
>> --------------------------------------------------
>> From: "Dave Horoschak" <dth at comcast.net>
>> Sent: Tuesday, March 09, 2010 5:14 PM
>> To: <hai-users at tssi.com>
>> Subject: [Hai-users] VoIP compatibility
>>
>>> Has anyone run into compatibility issues with VoIP and Omni panels?  I 
>>> have one of the original OP2s, which has worked well with Verizon POTS 
>>> service for years.  I recently switched to Comcast VoIP (using an RCA 
>>> eMTA) and have had problems ever since.
>>>
>>> There are a few details I can provide:
>>> 1. The general state of the system is PHONE LINE DEAD.
>>> 2. Immediately after hooking up the phone line to the RJ31X jack I get 
>>> System OK, then about a minute later it reverts to phone line dead.
>>> 3. When I pick up a phone in the house I do not get the click that 
>>> allows local access.
>>> 4. All of the house phones (which are wired through the RJ31X) work fine.
>>> 5. When someone calls, the OP2 will frequently pick up on one ring and 
>>> beep.  Then if there's another call a minute later it doesn't pick up. 
>>> This activity will typically trigger the OP2 problem alert beep at the 
>>> keypads.
>>>
>>> Comcast has been out twice and concluded that the OP2 isn't 
>>> compatibile with VoIP and needs to be replaced.  I find this hard to 
>>> believe.
>>>
>>> I have a suspicion that the line voltage put out by the eMTA is lower 
>>> or more variable than the POTS service, but that's just a guess.  
>>> Maybe changing to a different model would help?
>>>
>>> Any ideas?  I assume others have used the various Omni panels with 
>>> VoIP successfully, how about with the RCA eMTA?
>>>  - Dave
>>>
>>> _______________________________________________
>>> HAI-users mailing list
>>> HAI-users at tssi.com
>>> http://romaine.tssi.com/mailman/listinfo/hai-users 
>>
> 
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