RGB-DVI 300 and RGB-HDMI 300 • Operation
Operation, cont’d
3-20
RS-232 Connection
Both the video scaler/converters accept SIS commands from
a host device such as a computer running the HyperTerminal
utility or other control system.
The same port can also be used to provide control by the SPPCP.
For more information about SIS and the SPPCP, see chapter 4.
Pin
Function
T
ransmit data
Receive data
Signal ground
T
x
R
x
RS-232
T R
x
x
3 Pin Captive Screw Connector
N
The wiring in the RS-232 cables must cross over so that
the transmit port of the control device connects with the
receive port of the video converter and vice versa
.
Control commands can also be sent through the TRS Config port
on the front panel (see page 3-7).
N
Only one serial port can be used at a time. If the front
port is in use, the rear captive screw connector must be
disconnected from the computer or other control device.
Likewise, if the captive screw port is in use, the config
port on the front panel must be disconnected from the
computer or other control device.
Содержание RGB to DVI Scaler RGB-DVI 300
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