Line voltages on SPA400

Unanswered Question
Aug 10th, 2009

We've got a SPA400 plugged in to 2 British Telecom phone lines. On shows a positive voltage on the Line battery level (around 50V) the other a negative level (-51V). We are having a few problems with line drop outs - but thought we should establish that the lines are good before we go much further.

Thanks,

Adam

I have this problem too.
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Patrick Born Mon, 08/10/2009 - 12:25

Hi Adam,

Could it be that the wiring in the 50V line has tip and ring reversed? I'd expect to see about -51V.

Regards,

Patrick

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apedder123 Tue, 08/11/2009 - 03:11

Thank you, at least I know that something is wrong with the line.

Do you know if this would cause line drop outs with a SPA400? I know that the line does connect, but the users are complaining that lines sometimes drop out on them.

Thanks,

Adam

Patrick Born Tue, 09/01/2009 - 08:45

Hi Adam,

I doubt that it would cause a call to be dropped.

Check to see if they have call waiting on the line that gets dropped. If they do, have call waiting disabled and test.

Regards,

Patrick

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