33.050.10 电话设备 标准查询与下载
共找到 265 条与 电话设备 相关的标准，共 18 页
本标准适用于120路海底同轴电缆载波电话设备。
Grading standard for quality of carrier telephone equipment.120-channel carrier telephone submarine coaxial cable equipment
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-06-22
- 实施
- 1993-10-01
本标准适用于24路海底同轴电缆载波电话设备。
Grading standard for quality of carrier telephone equipment.24-channel carrier telephone submarine coaxial cable equipment
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-06-22
- 实施
- 1993-10-01
本标准适用于地缆12路载波电话设备。
Grading standard for quality of carrier telephone equipment.12-channel carrier telephone underground cable equipment
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-06-22
- 实施
- 1993-10-01
本标准适用于明线高12路载波电话设备。
Grading standard for quality of carrier telephone equipment.Open wire high band 12 channel carrier telephone equipment
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-06-22
- 实施
- 1993-10-01
本标准适用于110kV以上电力线载波电话设备。
Grading standard for quality of carrier telephone equipment.Power line carrier telephone equipment
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-06-22
- 实施
- 1993-10-01
本标准规定了DC422MX调制解调器的主要技术特性、技术要求、试验方法、检验规则及标志、包装、运输、储存等要求及方法。 本标准规定的调制解调器适用于普通交换电话网和电话型租用线路、通信方式为二线全双工。
Specification for DC2422MX MODEM
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-06-17
- 实施
- 1993-10-01
本标准规定了矿用本质安全型自动电话机的技术要求和试验方法。 本标准适用于防爆等级为i的矿用自动电话调度通讯系统集中馈电的本质安全型自动电话机。 本标准可作为矿用本质安全型自动电话机设计、生产、使用部门鉴定、仲裁产品质量的依据。
Performance requirements and test methods for intrinsically-safe automatic mine telephone
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-06-17
- 实施
- 1993-10-01
Measuring methods for performance of transmitters and receivers
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1993-05-11
- 实施
- 1993-07-01
The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the International Telecommunication Union. The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to
(WITHDRAWN) Calculation of Loudness Ratings for Telephone Sets - Telephone Transmission Quality Measurements Related to Speech Loudness Study Group XII; 31 pp
- ICS
- 33.050.10
- CCS
- M30
- 发布
- 1993-03
- 实施
For cordless telephone apparatus, using radio links, for connection to public switched telephone networks. To be read in conjunction with BS 6833-1:1987
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks - Specification for cordless telephone apparatus using radio links
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992-07-15
- 实施
- 1992-07-15
Generic specification for 4800bit/s wire voice-band modems
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992-02-01
- 实施
- 1992-05-01
Technical requirements and test methods for toll connecting boards And special boards in manual toll telephone switching equipments
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
Graphic symbols used in circuit operation procedure diagram for electromechanical components of telephone exchanges
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
Main dimensions of telephone transmitters (microphones)
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
Main dimensions of telephone receiver
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
- 1981-10-1
The specification and test methods for conference telephone tandem board
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
The specification and test methods for conference telephone SET
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
General technical requirements and test methods For manual toll telephone switching equipment
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
Technical requirements and test methods for toll service boards (Toll recording boards, enquiry desks) In manual toll telephone switching equipments
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
Technical requirements and test methods for service observation desks (Quality checking desks) in manual toll telephone switching equipments
- ICS
- 33.050.10
- CCS
- M40
- 发布
- 1992
- 实施
