Re: [hylafax-users] EOP between 2 hylafax server with Multitech 5656 modem

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Emmanuel RIZZI wrote:

> Mar 25 08:06:45.18: [ 1150]: Copy quality checking performed by host
> Mar 25 08:06:46.30: [ 1150]: RECV: 105 total lines, 0 bad lines, 0 
> consecutive bad lines
> Mar 25 08:06:46.41: [ 1150]: --> [18:+FPTS: 2,105,105,0]
> Mar 25 08:06:47.61: [ 1150]: --> [7:+FET: 2]
> Mar 25 08:06:47.62: [ 1150]: RECV recv EOP (no more pages or documents)
> Mar 25 08:06:47.72: [ 1150]: --> [2:OK]
> Mar 25 08:06:47.73: [ 1150]: RECV send MCF (message confirmation)


Some of the same old usual Class 2 firmware issues...

In Class 2 the modem is not really supposed to perform copy quality 
correction.  But here you can see that the modem is doing just that... 
or something weird like that.  HylaFAX's decoding of the data received 
from the modem showed 105 lines with none of them bad.  The +FPTS report 
from the modem there tells us that the modem will transmit RTN instead 
of MCF, that there were 105 lines counted, and that 105 of them were 
bad, and that 0 of them were consecutive.  Obviously something doesn't 
make sense there.  You can't have 105 lines of 105 lines be bad with 
none of them being consecutive.

So, anyway, basically the problem is most likely that when HylaFAX 
initialized the modem it did not claim to support copy quality 
correction, and yet it does, and so now HylaFAX thinks that it is doing 
all of that work, but really the modem is, and so HylaFAX thinks that 
it's transmitting MCF when the modem is really transmitting RTN.

The solution, just like with other MultiTechs in Class 2, is to put 
these in your modem config file:

 Class2CQQueryCmd:  "!0-2"
 Class2CQCmd:  AT+FCQ=1

Now, that will get HylaFAX and the modem talking on the same page.  
There still, however, seems to be some issue with the consecutive bad 
line count in the first place.  My guess is that the fill order is 
wrong, and that you need:

 ModemRecvFillOrder:  MSB2LSB

in your modem config files.

You could probably save yourself a lot of trouble by using Class 1.  But 
if you insist on using Class 2, please do yourself a favor and use one 
of the prototype config files for modern MultiTech modems (i.e. 
config/lucent-mt-2).

Lee.


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