this is from the manual:
TS-SER4 board supports either half-duplex or full duplex operation
this is the actual paragraph where i found this
"COM_C and COM_D can support RS-232 or RS-485 or RS-422 protocols. Jumpers
are used to select which mode is to be used for each port. There are also
jumpers to
add 120 ohm termination resistors for the TX and RX pairs. Termination
resistors may
be required when running very long distances at high baud rates. The TS-SER4
board
supports either half-duplex or full duplex operation. The jumpers are labeled
"RS-485" to
select half-duplex (single pair operation) and the jumpers are labeled "RS-422"
for full
duplex operation (two pairs required)."
SINCE I GOT FULL DUPLEX OPTION ( we ordered FD on SER4 and i tested and it
worked in full duplex ), may this be the reason why hd dosnt work right ? i am
pretty much convinced that it is
but even if it is the reason i would relly like to know why am i able to send
data ?
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