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GB/Z 187-2026Connectivity for lighting systems (English PDF)

照明系统的连通性

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 2, 2026

Implementation date

July 2, 2026

Scope

GB/Z 187-2026 is the English-translated version of 照明系统的连通性.

GB/Z 187-2026 is the Chinese standard "Connectivity for lighting systems". Its scope clause reads: This document provides information and guidance on the connectivity of lighting systems, including their operation and interconnection with other systems.

This document outlines various connectivity solutions used in lighting systems, including topologies, communication protocols, and related embedded systems. Function.

This document does not favor any particular topology or protocol. Its clauses include terms and definitions.

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Document preview — GB/Z 187-2026

National Standard of the People's Republic of China

ICS: 29.140.99
Classification: K 74

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1.Scope1
2 Normative References1
3.Terms and Definitions1
4.Topology, OSI Model, Lower Layers, and Communication Protocols1
5 Examples of lighting systems and other controllable lighting systems11

1 Scope

This document provides information and guidance on the connectivity of lighting systems, including their operation and interconnection with other systems.

This document outlines various connectivity solutions used in lighting systems, including topologies, communication protocols, and related embedded systems.

Function.

This document does not favor any particular topology or protocol.

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document.

Note. For terms and definitions related to lighting systems and related equipment, please refer to GB/T 39022.

3.1

A set of rules for data transmission in a system that connects multiple system components.

[Source. IEC 60050-351.2013, 351-56-14, with modifications]

3.2 open protocol

A communication protocol developed under the guidance of a recognized organization, following an open consensus process, and publicly available.

[Source. ANSI/IESTM-23-17, 2.14.1, modified] proprietary protocol

Non-open communication protocols.

3.4 connectivity

The ability of a system or device to communicate with other systems or devices without modification.

[Source. ISO /IEC 13066-1.2011, 2.9, with modifications]

4 Topology, OSI model, lower layers, and communication protocols

4.1 Topology

4.1.1 Point-to-point topology

A point-to-point topology is a type of network where two fixed nodes are directly connected by a single line. This topology is the basic structure of networks.

Form. See Figure 1.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

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