Hitachi GR2000 Network Router User Manual


 
An ordinary office is acceptable for installation of the router; however, if the room
wheretherouteristobeinstalledistobenewlybuilt,flooringwiththefollowing
qualities is recommended. It is important not to have exposed metal in contact with
flooring for safety reasons.
Insulation resistance: Use materials where the floor surface and ground
resistance is 1 x 105108
W cm. This is recommended for error and electric
shock protection against static electricity. This condition is easily satisfied by
setting up a conductive circuit.
Oil resistance: Oil is used for router maintenance.
Fire resistance
Dust free
5.1.7 Acoustic Noise
1. EachmodelofGR2000containsoneormorecoolingfansthatgeneratenoise.
Several measurements at 1 meter from the vertical edge of the device show the
following figures:
GR2000-2S: approximately 49 dB (A)
GR2000-4S: approximately 46dB (A)