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Appendix j: usb wiring – MoTeC ADL2 EDL2 User Manual

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66 Appendices

Appendix J: USB Wiring

The USB connection should be made by wiring a USB cable to the ADL2
main connector as shown below:

The USB cable should have a type B socket so that a standard USB A to B
cable can be used to connect between it and the PC. MoTeC can provide a
suitable cable (these are not commonly available).

Note that the maximum length from ADL to the PC is 5m (16ft) when using a
normal USB cable. This can be extended in steps of 5m (16ft) up to a
maximum of 25m (80ft) by using Active USB extender cables or hubs.

Wiring Details:

70
77

USB-VCC

USB-DM

USB-DP

USB-GND

78
68

Red

White

Green

Black

Shield

ADL2

USB B Type

Socket

50mm (2in) Max

Must be USB certified cable

It is recommended that the USB
wires are reterminated to 22#
Tefzel to avoid wire breakage

Maximum length 5m (16ft) including the cable to the PC

Note: When inserting the pins into the Autosport connector check that all the
pins are latched correctly by pulling on each wire – it is very easy for a pin not
to latch correctly which will give an intermittent connection.