ITU-T M.475-1988 标准详情
- 标准号:ITU-T M.475-1988
- 中文标题:建立和调整用于国际电信业务的混合模拟/数字通路
- 英文标题:setting up and lining up mixed analogue/digital channels for international telecommunication services
- 标准类别:国际电信联盟标准
- 发布日期:1988-11-01
The FDM multiplex or transmultiplexer equipment, before it is connected to a group or supergroup link, must be checked to ensure that it meets CCITT Recommendations and the other relevant specifications. The check should include a general visual insp
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