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INSTALLATION AND SETUP
Figure 2.19. RS-232 Serial Connection to a Computer
RS-422 Ports
Some systems can provide RS-422 serial communications (often through a plug-in adapter or
external converter) rather than the more common RS-232. RS-422 communication has differen-
tial "transmits-and-receives" and is generally better suited for long distances than is RS-232 com-
munication. RS-422 is not compatible with RS-232-connecting one to the other could damage the
equipment at either end.
If you wish to control the projector with a computer and/or other controlling device having RS-
422 capability, connect RS-422 serial communication cables between the computer (or other
device) and either (or both) of the projector serial ports labeled RS-422-these 6-pin XLR con-
nector ports are located near the upper right corner of the projector's rear control panel (see Figure
2.20). Use an RS-422 port only if your equipment has RS-422 capability-always first consult the
documentation supplied with your equipment.
2-21
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