Apparatus for connection to private circuits run by certain public telecommunication operators-Specification for apparatus for connection to baseband circuits
连接到某些公共电信运营商运营的专用电路的设备 基带电路连接用设备规范

1985-10-31

Apparatus for connection to private circuits run by certain public telecommunication operators-Specification for apparatus for connection to speechband circuits
连接到某些公共电信运营商运营的专用电路的设备 连接到语音带电路的设备规范

1985-10-31

Apparatus for connection to private circuits run by certain public telecommunication operators-Specification for apparatus for connection to direct current circuits
连接到某些公共电信运营商运营的专用电路的设备 直流电路连接用设备规范

1983-01-31

Apparatus for connection to private circuits run by certain public telecommunication operators-Specification for apparatus for connection to wideband (FDM) circuits
连接到某些公共电信运营商运营的专用电路的设备 宽带（FDM）电路连接设备规范

1984-09-28

Apparatus for connection to private circuits run by certain public telecommunication operators-Specification for apparatus for connection to telegraph circuits using SCVF signalling
连接到某些公共电信运营商运营的专用电路的设备 使用SCVF信号与电报电路连接的设备规范

1985-10-31

Specification for modems for connection to public switched telephone networks and speech band private circuits run by certain public telecommunications operators
连接到公共交换电话网络和某些公共电信运营商运行的语音带专用电路的调制解调器规范

1992-10-31