S71 铁路通信网 标准查询与下载
共找到 65 条与 铁路通信网 相关的标准，共 5 页
Railway fixed equipment and rolling stock. Data processing. Software dependability. Generalities.
- ICS
- 35.080;45.020;35.240.60
- CCS
- S71
- 发布
- 1990-12-01
- 实施
- 1990-12-05
Transmission Attenuation of Railway Telephone Switching Network
- ICS
- CCS
- S71
- 发布
- 1989-04-07
- 实施
- 1989-12-01
Automatic Long-distance Telephone Numbering for Railway Switched Telephone Network
- ICS
- CCS
- S71
- 发布
- 1985-06-13
- 实施
- 1985-10-01
Fixed railway installations. Systems for light gauge electric cable conduits set in reinforced concrete.
- ICS
- 45.080;91.100.30
- CCS
- S71
- 发布
- 1976-08-01
- 实施
Настоящий стандарт распространяется на промежуточные пункты диспетчерского и постанционного типов ППТ-66Д и ППТ-66П с тональным избирател
Intermediate stations for train control tower and (railway) junction connection types PPT-66D and PPT-66P. Quality requirements of certified products
- ICS
- 33.040.40
- CCS
- S71
- 发布
- 1971
- 实施
- 1971-08-01
