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User’s Manual v.6
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QVidium™ MPEG2+4 SDI IP Codec
RS-232 Control over IP
Some applications may require transmission of data over a remote RS-232 connection to provide
serial control of a remote piece of video equipment. Examples of this type of remote RS-232
control may include adjustment of video camera settings, or pan, tilt, and zoom of a remote
camera.
The QVidium MPEG2+4 SDI IP Codec can connect the RS-232 port on one QVSDI Codec to the
RS-232 port on another QVSDI Codec via the same IP network link that it uses for video and audio
streaming. To create an RS-232 connection over IP, you must be running one QVSDI Codec as an
encoder and another QVSDI Codec as a decoder. In addition, you must activate the RS232 feature
by checking the “Yes” radio control for “Send RS232 Data” in the RS232 Configuration panel on
both the encode and decode devices.
In the RS232 Configuration panel, you can also set RS-232 link parameters, baud rate, parity,
number of data bits, and number of stop bits. The QVSDI uses a TCP socket to transport RS-232
data between the two devices. You must also set the Network Port on both the encode and
decode QVSDI units to the same TCP port number.
This RS-232 data over IP feature is not currently supported in Codec mode. One QVSDI must be
configured and running as an encoder and the other must be set and running as a decoder.
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