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VI/O Port is TREK's next generation communication interface connector which contains Dual CAN
Bus and Single J1708 interface.
All new TREK x86 computing box (e.g. TREK 688, TREK 674) can share the same one VI/O cable.
Connector type: 15PIN D-SUB MALE CONNECTOR
Pin
Signal Depiction
1
2
3
ODB_CAN_GND
4
5
6
7
8
3.3.8.1 Vehicle I/O Cable (P/N:1750023051 01)
Table VIO Connector Pin Assignment
CAN_H
CAN_L
J1708_DN
J1708_DP
NC
CAN_GND
ODB_CAN_L
23
Pin
Signal Depiction
9
ODB_CAN_H_R
10
J1708_GND
11
VIOCOM_R485P
12
VIOCOM_422RXP
13
VIOCOM_R485N
14
VIOCOM_422RXN
15
VIOCOM_232GND
TREK-688 User Manual
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