Vivotek VS2402 Specifications download pdf (Page 40)

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COM1 port configuration

Choose serial interface

There are two types of serial interfaces supported by COM1 but only one interface can be

used at one time. Administrators must set the correct “Interface mode” between

RS232 and RS485 according to the attached device.

Choose device driver

If the attached device is PTZ driver, administrators should select the appropriate PTZ

model. Refer to our Web site for newly supported PTZ drivers. If the attached PTZ

camera is not in the support list, administrators can select “Custom Camera” to enter

the proprietary commands for pan, tilt, zoom and focus control. If it is not a PTZ camera

but another serial device like video multiplexer, administrators can select the “Generic

CGI command” to control the device via CGI commands. See the URL of External

Device Control section in the Chapter Advanced Function for details.

COM port configuration

After saving the driver type, the COM port configuration will show up for entering the

correct settings that depends on the camera type. Refer to the Appendix Settings for

Supported PTZ Cameras for default settings of supported PTZ camera including baud

rate, data bits, stop bit and parity bit.

Custom commands

Video Server provides five more custom commands other than general pan, tilt, zoom

and preset functions. Administrators can click on

and refer to the

instruction manual of the attached device to setup frequently used functions. The

"Command" should be entered in ASCII format; Video Server will translate it into binary

code and send it out through the serial port. For instance, a text string of "8101ABCDEF"

will be translated into five bytes of hexadecimal 81, 01, AB, CD and EF. The maximal

length of a command string is 60 which is equivalent to 30 hexadecimal bytes. "Display

string" is for text on command buttons and should be less than 8 characters. If the

“Custom Camera” is selected, there will be more commands for PTZF regarding to the

custom camera.

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Vivotek VS2402 Specifications Page 40