GB 3376-1982
Abolished
T/ZZB 2750-2022
Active
Group standards
T/ZZB 2750-2022 Programmable Digital User Exchange
T/ZZB 2750-2022 Programmable Digital User Exchange
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 2750-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Telephone communication equipment
ICS Name:
Exchange and signaling systems
Publish Date:
2022-06-15
Implement Date:
2022-07-15
Pages:
13 pages
Scope
Main technical content: This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules and judgments, marking, packaging, transportation and storage, and quality commitments of program-controlled digital user switches. This document is applicable to program-controlled digital user switches (hereinafter referred to as user switches) used as telephone exchange communication equipment in scenarios such as government agencies, schools, hospitals, hotels, factories, and mines that require voice communication.
Development Information
Related Standards
GB/T 3377-1982
Active
GB/T 3377-1982 Multifrequency register signalling system for telephone automatic switching network
GB/T 3378-1982
Active
GB/T 3378-1982 Subscriber line signalling system for telephone automatic switching network
GB/T 3380-1982
Active
GB/T 3380-1982 Ringing and tone for telephone automatic switching network
GB 3971.2-1983
Abolished
GB 3971.2-1983 Interoffice junction digital line signalling system for telephone automatic switching network
GB/T 5442-1985
Abolished