Re: [hylafax-users] Regarding USR5610 Modem

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2005.02.22 14:36 Philip Walls wrote:

> I applied this patch (after slight modification to fix compilation),

Yeah, thanks.  I fixed it here, but I sent you the wrong one.

> Feb 22 17:30:17.29: [ 9923]: <-- [9:AT+FTH=3\r]
> Feb 22 17:30:17.44: [ 9923]: --> [7:CONNECT]
> Feb 22 17:30:17.44: [ 9923]: <-- HDLC<7:FF C8 FD F4 80 00 A0>
> Feb 22 17:30:17.44: [ 9923]: <-- data [7]
> Feb 22 17:30:17.44: [ 9923]: <-- data [2]
> Feb 22 17:30:18.72: [ 9923]: --> [2:OK]
> Feb 22 17:30:18.72: [ 9923]: SEND send PPS (partial page signal)
> Feb 22 17:30:18.72: [ 9923]: SEND send EOP (no more pages or
> documents)
> Feb 22 17:30:18.72: [ 9923]: <-- [9:AT+FRH=3\r]
> Feb 22 17:30:18.87: [ 9923]: --> [10:NO CARRIER]
> Feb 22 17:30:18.87: [ 9923]: MODEM No carrier
> Feb 22 17:30:18.87: [ 9923]: <-- [9:AT+FRH=3\r]
> Feb 22 17:30:18.88: [ 9923]: --> [10:NO CARRIER]
> Feb 22 17:30:18.88: [ 9923]: MODEM No carrier
> Feb 22 17:30:18.88: [ 9923]: <-- [9:AT+FRH=3\r]
> Feb 22 17:30:18.90: [ 9923]: --> [10:NO CARRIER]
> Feb 22 17:30:18.90: [ 9923]: MODEM No carrier
> Feb 22 17:30:18.90: [ 9923]: <-- [9:AT+FRH=3\r]
> Feb 22 17:30:18.91: [ 9923]: --> [10:NO CARRIER]
> Feb 22 17:30:18.91: [ 9923]: MODEM No carrier

Ugh.  This is about the most brain-dead behavior that I've ever seen.  
It *almost* looks as if the modem has closed-down it's "listening" 
ability.  You'll see that from that point on every AT+FRH=3 results 
with NO CARRIER until the receiver disconnects.  We're certainly 
running into a firmware problem here.  I have my doubts that adding an 
AT+FTS=1 before the AT+FRH=3 will help, so...

Back out the patch and set these in your modem config files instead:

Class1PPMWaitCmd: 	"<delay:7>"
Class1TCFWaitCmd: 	"<delay:7>"
Class1EOPWaitCmd: 	"<delay:9>"
Class1SwitchingCmd:	"<delay:7>"

Then try again and let me know.  If that's a no-go, then I'll see about 
the AT+FTS=1 thing.

Lee.

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