GB/T 18802.21-2016
ActiveLow-voltage surge protective devices—Part 21: Surge protective devices connected to telecommunications and signaling 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
🔗 Related Standards / 同类标准
GB/Z 25320.3-2010
Power systems management and associated information exchange - Data and communications security - Part 3: Communication network and system security -Profiles including TCP/IP
GB/Z 25320.4-2010
Power systems management and associated information exchange - Data and communications security - Part 4: Profiles including MMS
GB/Z 25320.1-2010
Power systems management and associated information exchange - Data and communications security - Part 1: Communication network and system security -Introduction to security issues
GB/Z 25320.6-2011
Power systems management and associated information exchange - Data and communications security - Part 6: Security for IEC 61850
GB/Z 25320.2-2013
Power systems management and associated information exchange - Data and communications security - Part 2: Glossary of terms
GB/Z 25320.5-2013
Power systems management and associated information exchange - Data and communications security - Part 5: Security for GB/T 18657 and derivatives
GB/Z 25320.7-2015
Power systems management and associated information exchange—Data and communications security—Part 7: Network and system management (NSM) data object models
GB/Z 34124-2017
General specifications for intelligent protection and control equipment