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14 Pelco Manual C1515M-A (11/01)
CONTROL LINES
You cannot connect a Coaxitron camera to the PTZ-A or PTZ-B ports. If your video sources
are all controlled by Coaxitron, skip this section.
Connect camera control lines to receivers. If any of your video sources are using D or P
protocol via RS-422 communications, they will connect at the PTZ-A and PTZ-B connectors
on the back of the CM6800.
Daisy-chaining (going from one receiver to another) is recommended but not always possible.
A maximum of 16 receivers can be daisy-chained from each port. If more than 32 receivers
are required for your system, or if you do not want to daisy-chain the receiver connections,
use the CM9760-CDU-T. You can connect up to four CM9760-CDU-T units to the
CM6800-48X8.
NOTE:
D and P protocol
receivers cannot be mixed
on the same communication
port but you can use D on
one port and P on the other.
Figure 7. PTZ Control Connections
00628
NOTE:
After completing
system installation and
power-up, you must config-
ure the CM6800 and the
camera/receiver. Refer to
the
System Start-Up
section.
Installation:
Control Lines