Gasboy TopKAT Installation Manual page 117

Fuel management system
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Wiring Diagrams: Pulsers, Pumps, Dispensers
Figure 7-23: Wiring Diagram: RS-485 - Communication Cable - TopKAT to Wall-Mount
Figure 7-24: Wiring Diagram: RS-232 - Gasboy Termination Box
Note: In the TopKAT, the green connector goes to P4 on the communication board for port 2
MDE-4319A TopKAT Fuel Managment System Installation Manual · November 2005
(Remote) Mechanical PCU
and P6 for port 3. The K1 & K2 jumper for the port being used should be set to RS-232.
See
"Terminal Block ID" on page 79
for the location of K1 & K2 jumpers.
Mechanical PCU Option
Page 105

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