RE: flexfax: Q about elsa modem

["Bernd Proissl" <news@proissl.de>]

elsa microlink 56k basic supports only 1D:  :-(

ATI3
Version 1.20 / 26.10.1999

OK
at+fclass=2.0;+fcc=?
(0,1),(0-5),(0-2),(0-2),(0),(0),(0),(0-7),(0)

OK
at+fclass=1;+fcc=?
(0,1),(0-5),(0-2),(0-2),(0),(0),(0),(0-7),(0)

at+fclass=2;+fcc=?
(0,1),(0-5),(0-2),(0-2),(0),(0),(0),(0-7),(0)

OK
at+fclass=2.1;+fcc=?
(0,1),(0-5),(0-2),(0-2),(0),(0),(0),(0-7),(0)

OK 


Anyone on this list who runs another elsa modem
and who wants to check out the compression capabilities?
TIA!

Bernd

BTW: is it sopposed to be the same for all Class*?
(i just tried fclass=1, 2, and 2.1!)

> -----Original Message-----
> From: Dmitry Bely [mailto:dbely@mail.ru]
> Sent: Thursday, March 16, 2000 3:31 PM
> To: news@proissl.de
> Cc: flexfax@sgi.com
> Subject: Re: flexfax: Q about elsa modem
> 
> 
> > i use an elsa microlink 56k basic with hylafax and the config file
> > from their webpage. everything runs good but i only get 1D connections.
> > 
> > the config files uses Class2.0.
> > i have no use2d: no anywhere
> > no corrupt info files
> > 
> > i called elsa support and they do not know wether their product
> > supports 2D encoding or not!?!!
> > 
> > anyone else knows?
> 
> You can easily get this info yourself. Issue in any terminal 
> program (e.g. minicom) the following commands:
> 
> AT+FCLASS=2.0;+FCC=?
> 
> You will get something like
> (0,1),(0-5),(0-2),(0-2),(0,1),(0,1),(0),(0-7)
> OK
> (That's what my Zyxel 1496e responded).
> 
> The parameters above are
> VR,BR,WD,LN,DF,EC,BF,ST
> 
> The fifth parameter (DF) is the range of DCE-supported data 
> compression methods according to the following table:
> 
> DF    Data Compression Format    0    1-D Modified Huffman (T.4)
> 	                        *1    2-D Modified Read (T.4)
> 	                        *2    2-D Uncompressed Mode (T.4)
> 	                        *3    2-D Modified Modified Read (T.6)
> 
> So if your modem returns just (0), 1-D is the only compression 
> format supported.
> 
> Hope to hear from you soon,
> Dmitry
>