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User Manual

CONNECTING THE M1 ECU TO THE PC

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4 CONNECTING THE M1 ECU TO THE PC

Important: If, during installation or application start-up, you are prompted to allow the M1

software to make changes to your PC, always allow; otherwise PC

communications will not work.

The MoTeC M1 ECU uses an Ethernet connection for communication between the ECU and M1

Tune. This ECU to PC connection uses a standard Ethernet cable, wiring and protocols.

When producing M1 wiring, all Ethernet communications cables must comply with Category 5

cable specifications. This includes wiring used to connect to the M1 ECU connector. MoTeC

have panel mount category 5 Ethernet cables available that are suitable for this application.

Note: It is recommended that Ethernet cables are wired as crossover from the ECU to

the loom side socket. By doing this, a standard (non crossover) Ethernet cable can

then be used for all communications between the ECU and the PC.

4.1 PIN-OUT INFORMATION FOR ECU COMMUNICATIONS

All M1 ECU to PC communications take place using the standard IPV6

communications protocol via an Ethernet cable.

The Ethernet connector pin-out is shown in the following table.

Pin Function

1 Ethernet RX +

2 Ethernet RX -

3 Ethernet TX +

6 Ethernet TX -

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 76 77

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Motec M1 Tune User Manual Manual de usuario Pagina 10