Section 2: Installation and Setup
RPMX/RPMSP-D132U & RPMSP-D180U User Manual
2-17
020-100245-03 Rev. 1 (11-2010)
2.4.4 Connecting Multiple Projectors
RS-232 Network
To connect multiple projectors in a network with serial communication, connect the controlling source to the
RS-232 IN connector of the first projector in the network. Then take another serial communication cable and
connect one end to the RS-232 OUT connector and the other end to the RS-232 IN connector of the next
projector. Continue this pattern of connection with all projectors in the network. The last projector in the
network will only have a connection to the RS-232 IN connector. See
Figure 2-20 Communicating through RS-
232
.
Mixed Network
To control multiple projectors with a computer/controller having an RS-422 interface, first set them all to the
same baud rate as your RS-422 controller.
NOTE:
You must enable this combination of RS-422 and RS-232 in the Communications menu. Set the
“Network Routing” option to “RS-232 and RS-422 Joined”. See Section 3 for details.
Then chain the projectors together by connecting an
RS-232
port of the first projector (already connected to the
computer/controller through the
RS-422
port) to an
RS-232
port on 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 one unused
RS-232
port. See
Figure 2-21 Communicating through a Mixed Network
.
RS-232 IN
RS-232 OUT RS-232 IN
RS-232 OUT RS-232 IN
F
IGURE
2-20 C
OMMUNICATING
THROUGH
RS-232
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