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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YDN 034.4-1997 |
ISDN subscribers - specification for network interfaces. Part 4 Technical specifications for supplementary services (internal standard) isdn用户--网络接口规范 第4部分:补充业务技术规范 |
China Telecommunication
Standards Network network interface |
 English PDF |
| YDN 034.3-1997 |
ISDN subscribers - specification for network interfaces Part 3: Technical specifications for third-layer basic call control (internal standard) isdn用户--网络接口规范 第3部分:第三层基本呼叫控制技术规范 |
China Telecommunication
Standards Network network interface |
English PDF |
| YDN 034.2-1997 |
ISDN subscribers - specification for network interfaces Part 2: Technical specifications for data link layers (internal standard) isdn用户--网络接口规范 第2部分:数据链路层技术规范 |
China Telecommunication
Standards Network network interface |
English PDF |
| YDN 034.1-1997 |
ISDN subscribers - specification for network interfaces Part 1: Technical specification for physical layers isdn用户?网络接口规范 第1部分：物理层技术规范 |
China Telecommunication
Standards Network network interface |
English PDF |
| SJ 20653-1997 |
Key distribution center (KDC) interface of the military digital secure automatic telephone network 军用数字保密自动电话网密钥分配中心接口 |
China Electronics
Standards Network network interface |
English PDF |
| YD/T 855.22-1996 |
900MHz TDMA digital cellular mobile communication network. Specifications for physical layer of wireless interface 900mhz tdma数字蜂窝移动通信网无线接口物理层规范 |
China Telecommunication
Standards Network network interface |
English PDF |
| YD/T 855.21-1996 |
900MHz TDMA digital cellular mobile communication network Wireless interfaces Signaling part 900mhztdma数字蜂窝移动通信网 无线接口 信令部分 |
China Telecommunication
Standards Network network interface |
English PDF |
| YD/T 855.1-1996 |
900MHz TDMA digital cellular mobile communication network man-machine interfaces 900mhztdma数字蜂窝移动通信网人机接口 |
China Telecommunication
Standards Network network interface |
English PDF |
| YD/T 855.3-1996 |
900MHz TDMA digital cellular mobile communication network Technical specifications for interfaces between mobile service switching center and base station subsystems 900mhzdma数字蜂窝移动通信网移动业务交换中心与基站子系统间接上 |
China Telecommunication
Standards Network network interface |
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 Network network interface |
English PDF |
| TB 2179.5-1991 |
(Railway telephone network data communication interface. Electrical characteristics for balanced double circuit is generally in the field of data communications equipment used in conjunction with an integrated circuit) |
China Railway & Train
Standards Network network interface |
English PDF |
| TB 2179.4-1991 |
(Railway telephone network data communication interface. In the field of data communications usually Electrical characteristics for unbalanced double interface integrated circuit devices used in conjunction with) |
China Railway & Train
Standards Network network interface |
English PDF |
| TB 2179.3-1991 |
(Railway telephone network data communication interface. Electrical characteristics for unbalanced double interface circuit) |
China Railway & Train
Standards Network network interface |
English PDF |
| TB 2179.2-1991 |
(Railway telephone network data communication interface data terminal equipment and data circuit terminating equipment interface circuit between the definition table) |
China Railway & Train
Standards Network network interface |
English PDF |
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