Vivotek VS2402 Specifications Page 57

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Transparent Remote Serial Driver
Video Server provides a highly customized control support to third-party serial interface
devices aside from PTZ cameras. That means in addition to setting up a custom camera
with PTZ commands, users may utilize this mode and introduce a customized homepage
to transmit arbitrary user-defined commands from user-side to Video Server. The
third-party device connected to the serial port of Video Server will receive the same
command sent by the originator. The user only needs to attach the command in ASCII
format after the special URL. Video Server will parse the commands and translate into
binary code to send out.
Send command to device attached to COM1
/cgi-bin/senddata.cgi?com=1&data=123456,ABCDEF&flush=yes&wait=1000&read=6
This hyperlink will inform Video Server to send out binary format commands to COM1
with “0x12, 0x34, 0x56” followed by “0xAB, 0xCD, 0xEF”. Each comma separates the
commands by 200 milliseconds. “flush=yes” means the receive data buffer of COM port
must be cleared before read. Then read 6 bytes after waiting for 1000 milliseconds. The
read data can be up to 128 bytes and will return as ASCII coded hexadecimal value, e.g.,
0x41, 0x42, 0x43 read from COM port will show in returned homepage as 414243
instead of ABC.
Send command to device attached to COM2
/cgi-bin/senddata.cgi?com=2&data=123456,,,ABCDEF
This hyperlink will inform Video Server to send out binary format command to COM2 with
“0x12, 0x34, 0x56” followed by “0xAB, 0xCD, 0xEF” after 600 milliseconds of three
comma.
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