-- 5 --3S E-Class NVRV1.0.0.0Safety InstructionsConnect the JBOD expansion cabinet to grounded electrical outlet.Do Not open chassis while power is on.Do Not work alone when working with high-voltage components.E-Class NVR server should be installed in a clean, dust free, well ventilated, and temperature-controlledenvironment to guarantee performance and service life.Please adhere to the following safety instructions:• Use a CE, UL, BSI safety certified power cord for the E-Class NVR server.• Do Not expose system to harsh, humid environments.Electrical installation regulations must be followed.All maintenance work must follow 3s provided troubleshooting steps.Please read this manual before installing or operating the system. This document contains important safetyinstructions regarding its intended use.E-Class NVR server rated AC input:100-240V, 11-3.5A, 60-50Hz。Do not install server next to heat source or in direct sunlight.All server cooling vents must remain unblocked.