IEEE 1613A-2008 Environmental and testing requirements for communicaitons networking devices in electric power substations; Amendment 1: Add requirements for altitude and altitude derating factors
2011IEEE 1613A-2011 Environmental and Testing Requirements for Communications Networking Devices Installed in Electric Power Substations Amendment 1: Adding of one Definition@ dc power supply requirements (5.1)@ and Annex E—History
2008IEEE 1613A-2008 Environmental and testing requirements for communicaitons networking devices in electric power substations; Amendment 1: Add requirements for altitude and altitude derating factors