Connecting Multiple Projectors - Christie roadie 25k User Manual

INSTALLATION AND SETUP
2.7 Connecting
Multiple
Projectors
Serial Links
2-32
Roadie 25K User's Manual
You may wish to link two or more projectors together so that commands and
communications to and from a controller are relayed between projectors. Choose a
hardware configuration that best suits your desired communication method.
'
RS232 NETWORK
: To control multiple projectors with a computer/controller having
an RS232 interface, first set all projectors to the same baud rate as the controller, then
chain the projectors together by connecting the
projector (already connected to the computer/controller) to the
the next projector in the chain. Continue connecting projectors in this manner until
you've reached the last projector in the chain, so that only the last projector has an
RS232 OUT
unused
RS422 NETWORK
: To control multiple projectors with a computer/controller having
an RS422 interface, first set them all to the same baud rate as the controller, then
chain the projectors together by connecting an
connected to the computer/controller) to an
Use any of the three RS422 ports available on the projector—two are at the rear (6-pin
XLRs), and one is on the side input panel (9-pin D-connector). Continue connecting
projectors in this manner until you've reached the last projector in the chain, so that only
the last projector has two unused
port. See Figure 2.32.
Figure 2.32. Typical RS232 Network
RS422
RS422
ports. See Figure 2.33.
Figure 2.33. Typical RS422 Network
RS232 OUT
connector of the first
RS232 IN
RS422
port of the first projector (already
port on the next projector in the chain.
connector of