International Standard
ISO 11992-1:2019
Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 1: Physical and data-link layers
Reference number
ISO 11992-1:2019
Edition 3
2019-05
International Standard
Read sample
ISO 11992-1:2019
68376
Published (Edition 3, 2019)

ISO 11992-1:2019

ISO 11992-1:2019
68376
Language
Format
CHF 129
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Abstract

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.

General information

  •  : Published
     : 2019-05
    : International Standard under systematic review [90.20]
  •  : 3
     : 22
  • ISO/TC 22/SC 31
    43.040.15 
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