Fixed Radio Systems - Point-to-point equipment - Plesiochronous Digital Hierarchy (PDH) - Low and medium capacity digital radio systems operating in the frequency band 48,5 GHz to 50,2 GHz
Equipment Engineering (EE); environmental conditions and environmental tests for telecommunications equipment; part 1-2: classification of environmental conditions; transportation; english version ETS 300019-1-2:1992
Equipment Engineering (EE) - Power supply interface at the input to telecommunications equipment - Part 1: Operated by alternating current (ac) derived from direct current (dc) sources (Endorsement of the English version ETS 300132-1 (1996-09) as German standard)— 2 стр.
Electromagnetic compatibility and Radio spectrum Matters (ERM) - ElectroMagnetic Compatibility (EMC) standard for fixed radio links and ancillary equipment
