文档介绍：APPENDIX 6. EXTERNAL INTERFACES
A6-1 of A6-6
TABLE OF CONTENT
1. Hardware 3
. Connector 3
. Contact allocation 5
. Block diagram 5
2. Downloading interface 5
3. Calibration interface 6
A6-2 of A6-6
1. Hardware
. Connector
INT_001 The downloading / calibration connector shall be a 6 pin connector, accessible on the front panel without the
need to disconnect any part of the recording equipment, and shall comply with the following drawing (all
dimensions in millimetres):
A6-3 of A6-6
The following diagram shows a typical 6 pin mating plug:
A6-4 of A6-6
. Contact allocation
INT_002 Contacts shall be allocated in accordance with the following table:
Pin Description Remark
1 Battery minus Connected to the battery minus of the vehicle.
2 Data communication K-line (ISO 14230-1).
3 RxD – Downloading Data input to recording equipment.
4 Input / Output signal Calibration.
5 Permanent power output The voltage range is specified to be that of the vehicle power
minus 3V to allow for the voltage dr