Business Phone Systems

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Joined: Sep 2016
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Zero experience with phone systems. Trying to catch up.

I'd like to try using hyperterm/vmmi/etc with the Impression for programming instead of the attendant phone.

I tried searching the forum as I saw some mentions of a 'recommended' comdial adapter but couldn't find it.

Can I just cut a serial cable and RJ11 end off.. strip them down and match them up according to the pinouts listed in the manual?

Thanks

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What are you trying to do?

Depending...you might be better off using the phone to program. I can remember spending many hours getting a laptop to work on these DSUs---20 years or so ago. It was not fun. I have forgotten almost all I knew. However once I got things set, it worked pretty good.

It appears that you have a manual. Every thing you need to know is in there....but it seemed to take me a long time of frustrating trial and error to finally get it right. I think I have lost or thrown away the cables and adapters that I made.

Perhaps someone with a better memory than mine will jump in to give you some better direction.

Last edited by JWRacedog; 09/22/16 01:25 PM.
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I always cheated: https://www.ebay.com/itm/DB25-pin-Male-RJ12-RJ11-Jack-Modular-Adapter-6P6C-6wire-Aux-Data-Phone-Telephone-/29186809860?hash=item43f4b1bd44:g:ND0AAOxy06hSGSwC

I had a handful of DB-25 male to RJ-11/12 adapters that worked on all Comdial boxes. Well, that and a Smart Cable SC-88x adapter that read the serial port. IIRC it was always pins 2,3 and 7 and you could use a needle nose to reverse 2 and 3 if it screwed up.


Joined: Sep 2016
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Sorry for the late reply.

I thought I had email notifications on...

I'm having some trouble following the programming through the phone. I can't seem to tell whether or not I'm modifying the settings on the attendant phone or if I'm modifying the settings on the right station.

I'm hoping to get a better view of things on a computer where if I read right I can get a complete configuration.

I bought one of those db9 to rj11 adapters so we'll see if I can get in tomorrow.

Thanks

Joined: Sep 2016
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Just wanted to give an update and thanks for all the info here and across the board.

Turns out the default on my unit is 300 7D 2S / 300 7-N-2 with XON/XOFF and the pins for the adapter are green 2, red 3, yellow 5.

Using the Hyperterminal trial for Windows 10, I was able to make the connection. I almost didn't notice it because I didn't realize that I needed to hit return once I connected before anything showed up on the screen.

Last edited by amateurhour; 09/29/16 12:54 PM.

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