T/ZZB 2750-2022
Private automatic branch exchange (English Version)
- Standard No.
- T/ZZB 2750-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 2750-2022
- Scope
- 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 subscriber exchanges. This document is applicable to program-controlled digital user switches (hereinafter referred to as user switches) used as telephone switching communication equipment in agencies, schools, hospitals, hotels, factories and mines, etc. where voice communication is required.
T/ZZB 2750-2022 history
- 2022 T/ZZB 2750-2022 Private automatic branch exchange
