Compac C5000

5.
Incoming Mains
Comms Connections
The comms I/O is controlled by the connections to the Comms board. Refer to the following
diagram for connecting RS485, RS232, Compac or Gilbarco pumps. The shown switch should be
set to the desired setting.
Switches 300, 302, and 303 are for RS485/RS232 Terminator application. Use the following
table to configure these switches. Switch 300 is for channel 1, and switches 302 and 303 are
for channel 2.
SW300
SW302
SW303
RS485 (Channel 1)
ON
-
-
RS485 (Channel 2)
-
ON
OFF
RS232 (Channel 2)
-
OFF
ON