F1F2ANNEX I BREQUIREMENTS FOR CONSTRUCTION, TESTING, INSTALLATION AND INSPECTION
Annotations:
Appendix 6EXTERNAL INTERFACES
1.HARDWARE
1.2.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 14 230-1) |
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 drop across the protective circuitry Output 40 mA |
6 | TxD — Downloading | Data output from recording equipment |
Inserted by Council Regulation (EC) No 2135/98 of 24 September 1998 amending Regulation (EEC) No 3821/85 on recording equipment in road transport and Directive 88/599/EEC concerning the application of Regulations (EEC) No 3820/85 and (EEC) No 3821/85.