GB/T 12171-1990 Abolished National standards

GB/T 12171-1990 Specification for TDM/FDM 60-channel Tran-multiplexing equipments used in the telecommunication network

Publish Date: 1990-01-12 Implement Date: 1990-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12171-1990

Standard Type: National standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Communication network transmission system interface

ICS Name: Data communication network

Publish Date: 1990-01-12

Implement Date: 1990-08-01

Publisher: The National Technical Supervision Bureau

Technical Committee: The Telecommunications Transmission Research Institute of the Ministry of Posts and Telecommunications

Pages: 32 pages

Development Information

Drafting Units:

The Telecommunications Transmission Research Institute of the Ministry of Posts and Telecommunications

Drafting Persons:

Luo Jianguo, Du Sen, Zhao Xiaozhu, and Hu Shiming

Word Count: 58 Thousand words Pages: 32 pages

Referenced Standards

GB 4576 GB 4577 GB 3376-1982 Inband pulsing single frequency line signalling system for telephone automatic switching network GB/T 3384-1982 Parameters of interface for the analogue carrier systems over the network GB 3971.2-1983 Interoffice junction digital line signalling system for telephone automatic switching network GB/T 6879-1995 Performance and test methods of the 30 channels pulse code modulation multiplex equipment at 2048 kbit/s GB/T 7609-1995 General test method for transmission performance of PCM voice channel in telecommunication network GB/T 7610-1987 Characteristics of pulse code modulation for voice-frequencies GB/T 7611-2001 Characteristics of the electrical interface at hierarchical bit rate for digital network GB/T 7611-2016 Characteristics of the electrical interface at hierarchicalbit rate for digital network

Related Standards

GB/T 3384-1982 Abolished

GB/T 3384-1982 Parameters of interface for the analogue carrier systems over the network

Publish Date: 1982-12-29

GB/T 4575-1984 Abolished

GB/T 4575-1984 Frequency comparison pilot series for the FDM systems in the toll communication network

Publish Date: 1984-07-17

GB/T 4827-1984 Abolished

GB/T 4827-1984 Requirements of data transmission at 50 bit/s

Publish Date: 1984-12-26

GB/T 7436-1987 Active

GB/T 7436-1987 Specifications of TDM equipment operating on an analog telephone-type circuit for telegraph and lower-speed data

Publish Date: 1987-03-16

GB/T 7555-1987 Abolished

GB/T 7555-1987 General characteristics complying with the network performance objectives for 12 channel carrier telephone systems on open-wire pairs

Publish Date: 1987-03-26

GB/T 7556-1987 Abolished

GB/T 7556-1987 General characteristics complying with the network performance objectives for 60 channel carrier telephone systems on symmetric cable pairs

Publish Date: 1987-03-26