Re: [hylafax-users] RECV send RTN (retrain negative), class2

[Mark Tilles <hylafax2@xxxxxxxxxx>]

>>> SNIP <<<

>Lee Howard <faxguy <at> howardsilvan.com> writes:
> In Class 2 the modem is handling the copy quality checking (and 
> correction).  So although HylaFAX doesn't see the errors (because the 
> modem "fixed" them) the modem did, and thus it correctly sends RTN to 
> indicate to the sender that the page quality was unacceptable.
> 
> That said, the +FPTS response there indicates 816 lines of image data 
> (which roughly corresponds to what the modem delivered to HylaFAX).  Add 
> that shortness to the size of the data (211+ K), and something seems 
> awfully weird here.
> 
> This modem is set up in Class2, works more reliably for me than Class1.  
> 
> The MT5634 modems work well in Class 2.0 and 2.1 - I can't vouch for 
> them in Class 2, although I expect them to work tolerably well there 
> also.  That said, I really cannot fathom them working any less reliably 
> in Class 1 than they do in Class 2.
> 
> What problems were you having in Class 1 that convinced you that you 
> needed to switch to Class 2?
> 
> Lee.
> 

Odd, Lee, faxaddmodem only lets me set up these modems as class1 or class2.
Won't let me do 2.0 or 2.1, says the modem only has support for classes 1 
and 2. And I do have their latest 8.19j firmware.

If I recall correctly with class1 I was getting "Unspecified phase D" errors
and this was occurring from numerous senders - and when I changed back to 
class2 this went away.

/Mark


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