Does your 485 to USB adapter support full duplex? That is, does it support
RS-422? Is it set up correctly for RS-422? Does the adapter have one pair of
wires for TX, and a separate pair of wires for RX?
--- In "khouryelie" wrote:
>
> hello
>
> i have a TS-7200 on which i have the COM2 port set to Full duplex
>
> if i login to ts-7200 and do
> echo uuuu > /dev/ttyAM1 (which is COM2 )
>
> and open a minicom on my laptop listening to /dev/ttyUSB1 ( my 485 to usb )
>
> i get uuuu on the minicom
> ___________________________________
>
> now if i open minicom on ts-7200 and listen to /dev/ttyAM1 (which is COM2 )
>
> and go to my laptop and do
>
> echo uuuu > /dev/ttyUSB1 ( my 485 to usb )
>
> i get nothing on the minicom on the ts-7200
>
>
>
> anyone has any idea why i cant recieve on my COM2 port ?
> it is FULL DUPLEX meaning it can transmit and recieve data at the same time
>
> thanks for any help
>
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/ts-7000/join
(Yahoo! ID required)
<*> To change settings via email:
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|