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2-12
Christie ACT User Manual
020-100129-05 Rev. 1 (02-2010)
Section 2: Installation & Setup
2.6.2 RS232 Serial Communications
From most computers, connect a standard RS232 serial communication cable between the computer and
Christie
ACT
serial port labeled
RS232 IN
. Then ensure that Christie
ACT
baud rate matches that of your
computer. To change the baud rate, refer to
Config: Communication Tab, on page 3-17
For additional information concerning the serial ports, refer to
Section 2.4.9 Serial Port In/Out
.
NOTE:
There
are three RS232 ports: RS232 In, RS232 Out, RS232 Out (audio).
2.6.3 RS422 Serial Communications
Do not use an RS422 port unless you are using equipment with RS422
capability. The voltage levels of this signal can damage incompatible equipment.
Some computers can provide RS422 serial communications (often through a plug-in adapter or external
converter) rather than the more common RS232 standard. RS422 communication has differential “transmits-
and receives” and is generally better suited for longer distances than RS232 communication.
NOTE:
RS422 is
NOT compatible with RS232. Connecting an RS232, compatible PC to RS422 can damage the equipment at
either end.
The 9-pin RS422 connector is located on the back panel of Christie
ACT
, refer to
. When using the
port, ensure that the baud rate matches that of your RS422 controlling device. Refer to
.
Figure 2-17 Serial Communications
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