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YD/T 1243.2-2002Technical specification for media gateway. ATM trunk equipment (English PDF)

媒体网关设备技术要求——ATM中继媒体网关

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 10, 2002

Implementation date

December 10, 2002

Scope

YD/T 1243.2-2002 is the English-translated version of 媒体网关设备技术要求——ATM中继媒体网关.

YD/T 1243.2-2002 is the Chinese standard "Technical specification for media gateway. ATM trunk equipment".

This standard specifies the ATM trunk media gateway functionality, interface, control protocols, network management, performance indicators, timing and synchronization, software and hardware, power supply, and environmental and other requirements.

This standard applies to ATM trunk media gateway device. Issued on 2002-12-10, in force from 2002-12-10.

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Document preview — YD/T 1243.2-2002

National Standard of the People's Republic of China

Classification: M19

[Preview only]
1 Scope
2 Normative References
2.1 Term
3 Terms and Definitions
3.2 Abbreviations
3.3 Specifications
3.4 Product model and designation
3.5 Product marking
4 Product Classification
4.1 General
4.2 Model and name
4.3 Test Waveform
4.4 Product labelling
5 Requirements
5.2 Chemical components
5.3 SPD Disconnector Inspection
5.4 Environmental protection property
5.5 Material compatibility
5.6 Spurious emission
5.7 Transmit Spectrum Mask
5.8 Time of Rising Edge and Falling Edge
5.9 In-band Flatness
6 Test methods
6.2 Term restrictions
6.3 End-of-manufacturing inspection
6.4 Type inspection
6.5 Phone Program
6.6 OTASP/OTAPA Function
6.7 Processing of PIN
6.8 Fixed Dialing Number (FDN)
6.9 Abbreviated Dialing Number (ADN)
7 Inspection Rules
7.1 Packaging
7.2 Marking
7.3 Transport
7.4 Storage
7.5 Safety Test for Temporary Overvoltage Failure
7.6 Test of Temporary Overvoltage Withstand Characteristic
7.7 SPD Thermal Stability Test
8 Marking, Packing, Transport and Storage
8.1 Voltage Drop Test
8.2 Surge Withstand Capability at Load side
8.3 Short-circuit Withstand Capability at Load Side
9 Environmental Applicability Test
9.1 Vibration Test
9.2 High Temperature Test
9.3 Low Temperature Test
9.4 Alternating Humid Heat Test
9.5 Performance requirements for radio resource management

1 Foreword

YD/T 1243.2-2002 was issued by Ministry of Industry and Information Technology on 10 December 2002 and took effect the same day.

It is one of 4 parts of the YD/T 1243 series.

The YD/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

2 Scope Preview

YD/T 1243.2-2002 is filed under Chinese Standard Classification M19, in the field of telecommunications and broadcasting.

This catalogue holds 2,288 other YD/T standards without an ICS number.

In this catalogue, YD/T standards carry edition years from 1982 to 2026.

3 About this standard

Sector: Telecommunication Industry Standard (Recommended)

Issued by: Ministry of Industry and Information Technology

English translation: about 43 pages (approximate)

Chinese original: about 64,617 characters

4 Related standards

Other parts of this standard:

YD/T 1243.1-2002 — Technical specification for IP trunk media gateway

YD/T 1243.3-2002 — Integrated access media gateway

YD/T 1243.4-2008 — Technical Requirements for Media Gateway. Providing Multimedia Services

Standards on related subjects:

YZ/T 0173-2020 — Specifications for regulatory data access of intelligent mail and parcel locker and intelligent self-express service machine

YD/T 1730-2008 — Implementation Guide for Security Risk Assessment of Telecom Network and Internet

YD/T 1548.1-2007 — 2GHz WCDMA digital cellular mobile communication network terminal equipment testing method (second stage) - Part 1: Basic functions, operations and performance testing

YD/T 6478-2025 — Technical requirements of home surveillance platform

YD/T 4302.5-2025 — Technical specification for Quantum Key Distribution(QKD) network management - Part 5: EMS function

5 Classification and status

Chinese Standard Classification (CCS): M 19

Prefix YD/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 43 pages — is available in the English PDF.

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