ANSI/IEEE 1613a:2011 Standard Environmental and Testing Requirements for Communications Networking Devices Installed in Electric Power Substations Amendment: Adding of One Definition, DC Power Supply Requirements (5.1), and Annex E- History
This document specifies standard service conditions, standard ratings, environmental performance requirements,and testing requirements for communications networking devices and communications ports in protective relays installed in electric power substations. It does not cover such equipment designed for operation in other environments, such as office locations.