Re: [hylafax-users] Using a serial modem through a converter from ethernet to serial

[Tony <tony.delov@xxxxxxxxxxxxxxx>]

Davide Pagnin wrote:
>     Hi all!
>
> One of our customer is trying to setup a linux server virtualized on 
> VMWARE to send faxes.
>
> The main problem is VMWARE ESX limit the support to only serial ports 
> and that he has only 1 physical serial port on the physical machine.
>
> To solve the issue and have more than 1 fax connected to the virtual 
> server he has ordered a ethernet to serial converter:
>
> ET-BOX-232
>
> http://www.qfp.it/et-box.php
>
> After the installation of the kernel module and the configuration of 
> the virtual layer to see the virtual serial device, I was able to 
> launch faxsetup on the virtual device and it has correctly recognized 
> the USB Robotics modem that was connected the the converter.
>
> But the story is not a success... we are unable to send faxes, the 
> device seems to hang.

We have used a stallion port server to map modems connected remotely to 
our linux server.
There is a small app that comes with the easyserver called svr_tty that 
mpas from ip:port to tty devices.
I cant see why it wouldn't work on a virtual machine... but never tried.

http://www.stallion.com.au/html/products/easyserver-2.php



> I've asked for support to qfp and they are willing to help me, but 
> they asked me something that I really don't know on hylafax use of the 
> serial port:
>
> ITALIAN LANGUAGE:
> > tenga presente che il modulo gestisce i segnali tx, rx, rts, cts ma
> > non gli altri segnali di controllo
> > come ad esempio il CD, RI. Che lei sappia l'applicazione ha bisogno 
> di > questi segnali ?
>
> ENGLISH TRANSLATION:
> you have to know that the kernel module handle tx, rx, rts and cts 
> signals, but it does not handle other control signals, i.e. CD, RI.
> As far as you know, the application does need those signals?
>
> So, the question is, does hylafax need CD, RI or other serial control 
> signals to properly function?
>
> Thanks in advance
>
> Regards
> Davide Pagnin
>
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