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Old 01-01-2010, 10:55 AM   #1
Registered: May 2009
Posts: 142

Rep: Reputation: 24
Serial Modem - SupraExpress 56e PRO SUP2311 AT command reference

Not strictly Linux - apologies - but a stab in the dark as so many varied folk drop by here.

I have a SupraExpress 56e PRO (Sup 2311). This great old serial modem was hooked up to my old dial-up machine some ten years ago. Since then it has been used for fax on and off.

My memory may be playing tricks, but I'm sure when I ran it on Windows with 'supervoice' it did caller id (UK spec) without any problems *I MAY BE MISTAKEN*.

I don't have the manual, and Diamond don't support these anymore so I've spent the day trying all the AT commands I can find that would normally enable/test caller ID but they all throw 'error'.

Either this unit never supported CID (I'm almost certain it did) or I have not got the right AT commands to fire it up. A selection of the commands tried via minicom are:

By any chance does anyone have a full AT command reference for this specific unit?

I've managed to get this much out of it as far as firmware et al are concerned:

Rev 2.000-01 (c) 1993-1998
SupraExpress 56e PRO

016 UK 010

RCV56DPF-PLL L8571A Rev 33.00/33.00
Old 01-05-2010, 09:57 PM   #2
Registered: Oct 2009
Location: Federal Way, WA
Distribution: openSUSE 11.4 x86_64, openSuSE 12.1, Fedora 15
Posts: 207

Rep: Reputation: 34
Don't know if this will help you, but have a look at this site:

There was some info regarding British telephone systems there. Google search for "caller id supra modem" came up with some possible information.

Tom (retired penguin)
Old 01-06-2010, 02:15 AM   #3
Registered: May 2009
Posts: 142

Original Poster
Rep: Reputation: 24
Thanks Tom, but that just takes me back ultimately to Diamonds website and they no longer offer any support. There are driver downloads for Windows - but the full manual with the AT strings is not offered :-(

Thanks anyway - really appreciated.
Old 07-07-2010, 04:48 PM   #4
LQ Newbie
Registered: Jul 2010
Posts: 1

Rep: Reputation: 0
Supra Express

Hi Dave:

if you give me an email address I can send you copies of the manual from my disk, sorry I am late..



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