ITU-T G.775-1998 准同步数字系列(pdh)信号的信号丢失(los)和告警指示信号(ais)和远端缺陷指示(rdi)的缺陷检测和排除的标准
ITU-T G.775-1998 标准详情
- 标准号:ITU-T G.775-1998
- 中文标题:准同步数字系列(pdh)信号的信号丢失(los)和告警指示信号(ais)和远端缺陷指示(rdi)的缺陷检测和排除的标准
- 英文标题:loss of signal (los), alarm indication signal (ais) and remote defect indication (rdi) defect detection and clearance criteria for pdh signals
- 标准类别:国际电信联盟标准
- 发布日期:1998-10-01
内容简介
This propagation prediction method for use in the estimation of reliability and compatibility between frequencies of about 2 MHz and 30 MHz derives from a method first proposed in 1983 by Interim Working Party 6/12 of the ex-CCIR with later refinemen
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