[RESOLVED] FX30 Serial with Java

IoT Gateways FX30
7

Hi,
The HSL0 baud rate:

root@fx30s:~# stty -F /dev/ttyHSL0 -a
speed 9600 baud;stty: /dev/ttyHSL0
 line = 0;
intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W; lnext = ^V; flush = ^O;
min = 0; time = 50;
-parenb -parodd cs8 -hupcl -cstopb cread clocal -crtscts
-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr -icrnl -ixon -ixoff -iuclc -ixany -imaxbel -iutf8
-opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
-isig -icanon -iexten -echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke

The result of the AT!MAPUART:

root@fx30s:~# microcom -E /dev/ttyAT
at!mapuart?
!MAPUART: 17,17

OK
root@fx30s:~#

When i do the echo, I see nothing on the modbus device.
When I do the cat, nothing happen