Incoming call doesn't ring on a 500 set (Fax line)

[Allenness]

I have an Option 11 system, and for some reason, inbound calls on a fax line aren't ringing anymore, so the fax machine can't receive a fax. If I know when the call is coming in, I can manually start the fax to receive, or answer a voice call on that line, so the line itself is fine, but there is no ringing.

Occasionally, if I call that line from another set, after a couple of minutes there could be very brief ring, like a fraction of a second...as if it's trying hard to make it ring, then nothing again. Occasionally, it rings a tad longer, just enough for the fax to answer automatically, but most of the time, nothing. I created a new set, tried different jack, different DN... nothing.

I am guessing there's a problem with the analog card, which is failing to send correct signal, or enough voltage for ringing, but I don't know much about it.

Any thoughts?

Thanks in advance!

 

[trvlr1]

Plug in a phone and see if that rings when you call it. If so, start by rebooting your fax just to make sure a power hit didn't scramble some of the programming.
Bottom line though, if the phone rings correctly the issue is in the fax.

 

[Allenness]

Nope... phone does the same thing. Thanks!

 

[trvlr1]

Do you have another analog card with available TN's you can rebuild it on (don't move it as there may be programming issues?

 

[Allenness]

I may have a spare analog card, but I'm not sure how complicated it is rebuilding stuff. At this point it's not crucial, since I had a standalone line that I moved the fax to, but I just wanted to know for future reference, in case we need another fax line and have to put it through the PBX.

 

[trvlr1]

If you have one that works you could try copying that to the existing TN, just changing the number, to test if software or hardware is causing the issue.

 

[Allenness]

I created a new 500 set on a different TN and assigned a different number. It did the same thing, so I'm thinking it has to be the entire analog card that's acting goofy...

Thanks very much for your advice!

 

[MossEng]

Are you sure its not the wall port or line jack unit, they have a capacitor in them for analogue devices to allow the ringing current to pass through, if the capacitor is missing or faulty analogue phones will not ring.

 

[Allenness]

Yeah, I tried it in another location too. I tried using different TN, different DN, different jack, and different set... nothing seems to help.

 

[bhassell2000]

did you put it on another card totally?

Thanks,

Buddy

Linked in Profile

http://www.linkedin.com/in/buddyhassell

 

[Allenness]

I'm afraid I'm not sure how to do that...

 

[Johnthephoneguy]

on the same card your Tn would be like 120-0-0-12 and a new card it would be 84-0-0-12.

Go to ld 20
req=luvu
type=500

then enter through and see if you have more availble analog cards/port to try the new phone on.

JohnThePhoneGuy

"If I can't fix it, it's not broke!

 

[islesfan]

If this happens on all the analog ports in that cabinet/chassis you may have an issue with the ring generator which is part of the power supply. If you have an 11C Cabinet the supply is a slide out module but on the 11C Chassis the whole chassis would have to be replaced.

 

[Allenness]

islefan - interesting you should mention the power supply. I dead power supply a year or so ago and picked up replacement on Ebay. I wonder if it's defective. Everything else works ok though... It is a slide-out module. I have a spare too... might try replacing it.