User`s manual
VIVOTEK
User's Manual - 187  
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  DESCRIPTION
com  1 ~ <max. com port 
number> 
The target COM/RS485 port number. 
data  <hex decimal 
data>[,<hex decimal 
data>] 
The <hex decimal data> is a series of digits from 0 ~ 9, A ~ 
F. Each comma separates the commands by 200 
milliseconds. 
flush  yes,no  yes: Receive data buffer of the COM port will be cleared 
before read. 
no: Do not clear the receive data buffer. 
wait
1 ~ 65535 
Wait time in milliseconds before read data. 
read 
1 ~ 128 
The data length in bytes to read. The read data will be in the 
return page. 
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. 










