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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 18802.351-2019 |
Components for low-voltage surge protective devices－Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) 低压电涌保护器元件 第351部分：电信和信号网络的电涌隔离变压器（SIT）的性能要求和试验方法 |
China National Standards Communication,signalling |
 English PDF |
| GB/T 18802.22-2019 |
Low-voltage surge protective devices－Part 22:Surge protective devices connected to telecommunications and signalling networks－Selection and application principles 低压电涌保护器 第22部分：电信和信号网络的电涌保护器 选择和使用导则 |
China National Standards Communication,signalling |
English PDF |
| GB/T 18802.351-2019 |
Components for low-voltage surge protective devices－Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) 低压电涌保护器元件 第351部分：电信和信号网络的电涌隔离变压器（SIT）的性能要求和试验方法 |
China National Standards Communication,signalling |
English PDF |
| GB/T 18802.22-2019 |
Low-voltage surge protective devices－Part 22:Surge protective devices connected to telecommunications and signalling networks－Selection and application principles 低压电涌保护器 第22部分：电信和信号网络的电涌保护器 选择和使用导则 |
China National Standards Communication,signalling |
English PDF |
| GB/T 24338.5-2018 |
Railway applications—Electromagnetic compatibility—Part 4: Emission and immunity of the signalling and telecommunications apparatus 轨道交通 电磁兼容 第4部分：信号和通信设备的发射与抗扰度 |
China National Standards Communication,signalling |
English PDF |
| GB/T 14733.4-2012 |
Terminology for telecommunication switching and signalling in telecommunication 电信术语 电信中的交换和信令 |
China National Standards Communication,signalling |
English PDF |
| GB/T 24339.2-2009 |
Railway application - Communication,signalling and processing systems - Part 2: Safety-related communication in open transmission systems 轨道交通 通信、信号和处理系统 第2部分：开放式传输系统中的安全相关通信 |
China National Standards Communication,signalling |
English PDF |
| GB/T 24339.1-2009 |
Railway applications - Communication,signalling and processing systems - Part 1: Safety-related communication in closed transmission systems 轨道交通 通信、信号和处理系统 第1部分：封闭式传输系统中的安全相关通信 |
China National Standards Communication,signalling |
English PDF |
| GB/T 24338.5-2009 |
Railway applications - Electromagnetic compatibility - Part 4: Emission and immunity of the signalling and telecommunications apparatus 轨道交通 电磁兼容 第4部分：信号和通信设备的发射与抗扰度 |
China National Standards Communication,signalling |
English PDF |
| GB/T 18802.22-2008 |
Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles 低压电涌保护器 第22部分：电信和信号网络的电涌保护器（SPD） 选择和使用导则 |
China National Standards Communication,signalling |
English PDF |
| GB/T 19897.2-2005 |
Automatic Meter Reading System Lower Layer Communication Protocol Part 2:Use of area networks on twisted pair with carrier signalling 自动抄表系统低层通信协议 第2部分：基于双绞线载波信号的局域网使用 |
China National Standards Communication,signalling |
English PDF |
| GB/T 18802.21-2004 |
Low-voltage surge protective devices--Part 21:Surge protective devices connected to telecommunications and signalling networks--Performance requirements and testing methods 低压电涌保护器 第21部分:电信和信号网络的电涌保护器(SPD)----性能要求和试验方法 |
China National Standards Communication,signalling |
English PDF |
| GB/T 14401-1993 |
Signalling between mobile station and base station and mobile services switching centre in public land mobile communication network at 450MHz band 公用陆地移动通信网(450 MHz频段)中移动台-基站-移动电话交换局之间的信令 |
China National Standards Communication,signalling |
English PDF |
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