GOST IEC 60950-21-2013 Information technology equipment. Safety. Part 21. Remote power feeding
GOST R 55949-2014 Power supply interface at the input to telecommunications equipment. Operated by alternating current (ac)
GOST R 55950-2014 Power supply interface at the input to telecommunications equipment. Operated by direct current (dc)
GOST R 56003-2014 Power supply interface at the input to telecommunications equipment. Operated by alternating current source or direct current source up to 400V
GOST R 56956-2016 history
2016GOST R 56956-2016 Telecommunications. Powering of equipment in access network