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Homepage>BS Standards>43 ROAD VEHICLE ENGINEERING>43.040 Road vehicle systems>43.040.15 Car informatics. On board computer systems>BS ISO 11992-1:2019 Road vehicles. Interchange of digital information on electrical connections between towing and towed vehicles Physical and data-link layers
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BS ISO 11992-1:2019 Road vehicles. Interchange of digital information on electrical connections between towing and towed vehicles Physical and data-link layers

BS ISO 11992-1:2019

Road vehicles. Interchange of digital information on electrical connections between towing and towed vehicles Physical and data-link layers

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Standard number:BS ISO 11992-1:2019
Pages:32
Released:2019-05-09
ISBN:978 0 580 89506 7
Status:Standard
DESCRIPTION

BS ISO 11992-1:2019


This standard BS ISO 11992-1:2019 Road vehicles. Interchange of digital information on electrical connections between towing and towed vehicles is classified in these ICS categories:
  • 43.040.15 Car informatics. On board computer systems

This document describes the data link layer (DLL) and physical layer (PHY) for the two CAN-based network interfaces specified in the 11992-series.

The DLL sub-clauses are composed of:

  • DLL protocol entity requirements;

  • DLL device interface requirements; and

  • DLL network system requirements.

Normally, the physical signalling sub-layer is implemented in the CAN protocol controller. The physical medium attachment sub-layer is normally implemented in the CAN transceiver or the System Base Chip (SBC). Optionally, it can comprise also additional protection circuitry. The media-dependent sub-layer comprises the connectors and the cabling.

The physical signalling (PS) sub-clauses are composed of:

  • PS entity requirements;

  • PS device interface requirements; and

  • PS network system requirements.

The physical medium attachment (PMA) sub-clauses are composed of:

  • PMA protocol entity requirements; and

  • PMA device interface requirements.

The physical medium dependent (PMD) sub-clauses are composed of:

  • PMD entity requirements;

  • PMD device interface requirements; and

  • PMD network system requirements.