Certain chassis designs proven to resist fire can now claim conformance via physical assessment without needing full fire spread testing. Hygroscopic Dust:
Issue 5 introduces more precise test waveforms for earthquake simulation. The infamous "GR-63 shake table test" now requires longer duration random vibration for equipment intended for Seismic Zone 4. The Office Vibration (Earthquake) test has been updated to reflect actual building responses measured in recent seismic events. gr-63-core issue 5 pdf
This standard is used to ensure the physical reliability and protection of network equipment through several critical criteria: Spatial Requirements Certain chassis designs proven to resist fire can