GB/T 43192.1-2023: Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 1: Physical and data-link layers

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Scope

This document specifies the requirements for the data-link layer (DLL) and physical
layer (PHY) based on CAN network interfaces that comply with GB/T 43192 (all parts).
The data-link layer (DLL) includes:
- DLL protocol entity requirements;
- DLL device interface requirements;
- DLL network system requirements.
Typically, the physical signalling sublayer is implemented in the CAN protocol
controller. The physical media connection sublayer is typically implemented in a CAN
transceiver or system basis chip (SBC). On request it also includes additional protective
circuits. Media-related sublayers include connectors and cables.
Physical signalling (PS) includes:
- PS entity requirements;
- PS device interface requirements;
- PS network system requirements.
Physical media attachment (PMA) includes:
- PMA protocol entity requirements;
- PMA device interface requirements.
Physical media dependent (PMD) include:
- PMD entity requirements;
- PMD device interface requirements;
- PMD network system requirements.
This document applies to the communication design for digital information exchange
between towing and towed vehicles, which have a maximum authorized total mass
greater than 3500 kg.

Basic Data

Standard ID	GB/T 43192.1-2023 (GB/T43192.1-2023)
Description (Translated English)	Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 1: Physical and data-link layers
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	T36
Classification of International Standard	43.040.15
Word Count Estimation	26,276
Date of Issue	2023-09-07
Date of Implementation	2024-04-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration