Gasboy TopKAT Fuel Management System Installation - Manual (Page 77)

MDE-4319E TopKAT™ Fuel Management System Installation Manual · August 2008 Page 71
Wiring Diagrams Mechanical Interface Option
Figure 7-26: Wiring Diagram: RS-422 - Gasboy Short Haul Modem
Notes:1) In the TopKAT, the green connector must be connected to P3 on the communication
board for Port 2, and P5 for Port 3.
2) In cases where a TopKAT internal modem is used, Port 3 is not available for external
communication wiring.
3) The K1 and K2 jumper for the port being used should be set to RS-422. Refer to
“Terminal Block ID” on page 42 for the location of K1 and K2 jumpers.