 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| Chinese National Standard Category: Technical management |
| English Title: | Specification for wire MODEMs |
| Chinese Title: | 有线调制解调器技术条件 |
| Standard No.: | SJ 1669-1981 |
| Category No.: | C01 |
| Issued by: | |
| Issued on: | 1980-11-24 |
| Implemented on: | 1981-5-1 |
| Status: | valid |
| Superseded by: | SJ/T 10231-1991 Technical requirement of wire voice - Band modulation/demodulator for Type 300bit/s |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 12500 words |
| Similar Standards: |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Beijing COC Tech Co., Ltd. 2008-2020 |