07
Smart Switch
Keep the device far fr om high-f requency, strong-curr ent devic es, such as radio
transmitting station.
Use electromagnetic shielding when necessar y.

Lightening Protection

Extremely high voltage currents can be produced instantly when lightning occurs and the air
in the electri c discharge path can be instantly heated up to 20,000. As this instant current
is strong enou gh to damage electronic devi ces, more ef fective lightning protection measure s
should be taken.
Ensure the rack and device are well earthed.
Make sure the power socket has a good contact with the ground.
Keep a reasonable cabling system and avoid induced lightning.
Use the signal SPD (Surge Protective Device1 when wiring outdoor.
Note: For detailed lightning protection measures, please refer to Chap ter 3
Lightning Protection.

Installation Site

S
When installing the devic e on a rack or a flat workbench, p lease note the following
items:
The rack or workbenc h is flat and stabl e, and sturdy enough t o support the weight
of 5.5kg at least.
The rack or workben ch has a good ventilation system. The equipme nt room is well
ventilated.
The rack is well grounded. Keep the power socket less than 1.5 meters away from
the device.
Installation Tools112
Phillips screwdriver
Installation