NEBS GR-63-Core are a set of demanding environmental tests that will stress any telecom hardware design to its limits. The goal of GR-63-CORE, Physical Protections, is to increase network availability and lower the overall costs of installation and maintenance of network equipment. It primarily addresses thermal, humidity and altitude levels, transportation and storage, seismic activity and vibration, flame resistance, air filtration and noise. To read more on NEBS GR-63-Core click here.