SJ 3208-1989 PDF English
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Basic data
| Standard ID | SJ 3208-1989 (SJ3208-1989) |
| Description (Translated English) | Technical requirements for telephone system in carrier communication using coaxial cables |
| Sector / Industry | Electronics Industry Standard |
| Classification of Chinese Standard | M31 |
| Word Count Estimation | 9,961 |
| Date of Issue | 2/10/1989 |
| Date of Implementation | 3/1/1989 |
| Summary | This standard applies to a coaxial cable having diameter of ��0. 9mm non-additive sense (high or low frequency) two/four-core cable business groups ask axis telephone terminal equipment, wiring devices and equipment branch line. Coaxial cable business telephone system installation and construction of the cable and coaxial cable channel multiplexer can supply equipment, opened, commissioning, routine maintenance and communications liaison conference call when in use, while providing a channel for telemetry signals. The criterion-referenced using CCITT (CCITT) Yellow Book (1980) relevant recommendations. The standard for equipment manufacturers and the use of the unit as a set of acceptance and maintenance practices basis. |