GB 12048-1989

Abolished

Requirements for clock and synchronization equipment used in the digital network

数字网内时钟和同步设备的进网要求

Standard Type
GB
ICS
33.040.40
CCS
M13
Status
Abolished
Issue Date
1989-12-29
Implementation
1990-07-01
Centralized Committee
工业和信息化部（通信）
Issuing Authority
国家技术监督局

Application Summary AI generated

This standard specifies the technical requirements for clock and synchronization equipment accessing the digital network in China, including timing accuracy, stability, and jitter performance. It is applied in the telecommunications industry for the design, testing, and procurement of network synchronization equipment used in digital transmission systems, such as SDH and PDH networks. The standard ensures that clocks and synchronization devices meet the necessary quality for reliable digital network operation and interconnection.

Related Standards

GB/T 3382.2-2003 Technical requirements for group 3 facsimile apparatus used in public telephone network--Part 2:Procedures for document facsimile transmission in the general switched telephone network GB/T 3382.1-2003 Technical requirements for group 3 facsimile apparatus used in public telephone network--Part 1:Standardization of group 3 facsimile terminals for document transmission GB/T 19516-2004 The specifications of wired-emergency telephone system of expressway GB/Z 41298-2022 Internet of thing (IoT) application protocol—Test methods of the constrained application protocol (CoAP) GB/Z 41294-2022 Internet of thing (IoT) application protocol—Technical requirements of the constrained application protocol (CoAP) GB/Z 41293-2022 Technology requirements on WAN based fast and self-deployment of sensor and actuator type of devices GB/Z 41292-2022 General technology requirements on WAN based remote measurement and control applications for intelligent agriculture GB/T 15279-2002 The specifications of automatic telephone set
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.