Gasboy FuelOmat system 8 Popt Commverter - Manual (Page 66)

8 Port CommVerter Operation and Installation Manual 62
LEDs Indication
Connector Side
Channel 1 (RS232) Rx D3
Channel 1 (RS232) Tx D2
Channel 2 (RS485) Rx D9
Channel 2 (RS485) Tx D4
LED Blinking – Communication on
LED Off – No communication
2.12.1. RS-232/485 Connector Pinout
The following pinout is required for the LAN to RS-232/485 application.
8 7 6 5 4 3 2 1
G - + G D I/O RX TX
Channel 2 – RS485 Channel 1 – RS232
2.13. 2.13. MECHANICAL PUMP INTERFACE (MPI-C) MECHANICAL PUMP INTERFACE (MPI-C)
This paragraph describes the required wiring connections between the mechanical pump and the
MPI-C Card and the MPI-C sub-module (see Figure 2-42 and Figure 2-43).
Figure 2-42. MPI-C Module.
Figure 2-43. MPI-C with Sub-Module.