Supplement to T1.404-2004, Network and Customer Installation Interfaces - DS3 Metallic Interface Specification
补充T1 404-2004 网络和客户安装接口-DS3金属接口规范
发布日期:
2005-05-01
本增补增加了一种可选方法,用于在M23应用中使用带内信号激活和停用载波提供的NIU处的线路环回。
This supplement adds an optional method for using inband signals to activate and deactivate a line loopback at a carrier provided NIU in M23 applications.