|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2006年07 期
| 标题 |
| 铁通黑龙江分公司通信业务网保护方案(42 卷) |
| 英文标题 |
| Protection Scheme of Communication Operation Network in CRC Heilongjiang Branch |
| 摘要 |
| 利用省干传输网对铁路接入网实施复用段保护，对长途电话网、互联网骨干网和铁路业务网的保护，提高了各业务网的安全性和可靠性。 |
| 作者 |
| 新闻作者:孙 伟,郑针发,张进来 |
| 关键字 |
关键词:通信，业务网，保护 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 标题 |
| 铁通黑龙江分公司通信业务网保护方案(42 卷) |
| 英文标题 |
| Protection Scheme of Communication Operation Network in CRC Heilongjiang Branch |
| 摘要 |
| 利用省干传输网对铁路接入网实施复用段保护，对长途电话网、互联网骨干网和铁路业务网的保护，提高了各业务网的安全性和可靠性。 |
| 作者 |
| 新闻作者:孙 伟,郑针发,张进来 |
| 关键字 |
关键词:通信，业务网，保护 |
| COPYRIGHT©2001-2025 CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED，ALL RIGHTS RESERVED | ||
|
