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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD 5076-2014 |
(Fixed Switched Telephone Network engineering design specifications) 固定电话交换网工程设计规范 |
China Telecommunication
Standards Switched Telephone |
 English PDF |
| YD/T 1006-1999 |
A simultaneous voice plus data modem, operating at a voice plus data signalling rates of 4 800bits/s, with optional automatic switching to data-only signalling rates of up to 14 400bit/s, for use on the general Switched Telephone network and on leased poi 在公用电话交换网上和点对点二线租用电话型电路上同时传送语音和数据的调制解调器 |
China Telecommunication
Standards Switched Telephone |
English PDF |
| YDN 088-1998 |
(Automatically Switched Telephone (digital) network technology system (internal standard)) 自动交换电话（数字）网技术体制 |
China Telecommunication
Standards Switched Telephone |
English PDF |
| YD/T 945-1998 |
Modem operating at data signalling rates of up to 33600 bit/s for use on the general Switched Telephone network and on leased point-to-point 2-wire telephone-type circuits 公用电话交换网和点对点二线专线电路上使用的数据信号速率高达33600bit/s的调制解调器 |
China Telecommunication
Standards Switched Telephone |
English PDF |
| TB/T 1691-1995 |
(Switched Telephone Network Rail DC signal between the way) 铁路电话交换网所间直流信号方式 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 1693-1995 |
(Railway signal interface Switched Telephone network of automatic telephone exchange) 铁路电话交换网 自动电话交换机的信号接口 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 1723-1994 |
(Switched Telephone Network Rail and ringing tones) 铁路电话交换网铃流及信号音 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 1692-1993 |
(Switched Telephone Network Rail multifrequency register signaling mode) 铁路电话交换网 多频记发器信号方式 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 1690-1993 |
(Railway Switched Telephone network digital line signaling) 铁路电话交换网 数字型线路信号方式 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 1689-1993 |
(Railway Switched Telephone network with a single-frequency pulse line signaling) 铁路电话交换网 带内单频脉冲线路信号方式 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 1688-1993 |
(Railway signaling Switched Telephone network users) 铁路电话交换网 用户信号方式 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 2317-1992 |
(Setup and routing railway between phones Switched Telephone network circuits) 铁路电话交换网电话所间电路的设置和路由选择 |
China Railway & Train
Standards Switched Telephone |
English PDF |
| TB/T 2088-1989 |
(Railway Switched Telephone network transmission attenuation) |
China Railway & Train
Standards Switched Telephone |
English PDF |
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