Vivotek FE8172 User Manual page 206

VIVOTEK
8.20 Senddata (capability.nuart > 0)
Note: This request requires Viewer privileges.
Method: GET/POST
Syntax:
http://<servername>/cgi-bin/viewer/senddata.cgi?
[com=<value>][&data=<value>][&flush=<value>] [&wait=<value>] [&read=<value>]
PARAMETER VALUE
com 1 ~ <max. com port
number>
data <hex decimal
data>[,<hex decimal
data>]
flush yes,no
wait 1 ~ 65535
read 1 ~ 128
Return:
HTTP/1.0 200 OK\r\n
Content-Type: text/plain\r\n
Content-Length: <system information length>\r\n
\r\n
<hex decimal data>\r\n
Where hexadecimal data is digits from 0 ~ 9, A ~ F.
206 - User's Manual
DESCRIPTION
The target COM/RS485 port number.
The <hex decimal data> is a series of digits from 0 ~ 9, A ~ F.
Each comma separates the commands by 200 milliseconds.
yes: Receive data buffer of the COM port will be cleared before
read.
no: Do not clear the receive data buffer.
Wait time in milliseconds before read data.
The data length in bytes to read. The read data will be in the
return page.