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Keep the device far from radio transmitting stations, radar stations, and high-frequency devices.
Use electromagnetic shielding when necessary, for example, use shielded interface cables.
Route interface cables only indoors to prevent signal ports from getting damaged by overvoltage or
overcurrent caused by lightning strikes.
Laser Safety
The Switch 4210G are Class 1 laser devices.
When the optical ports on the Switch 4210G are operating, do not stare into the optical ports because
the laser light emitted by the optical fiber may hurt your retina.
Staring into the laser beam produced by the fiber may hurt your eyes.
Installation Tools
Flathead screwdriver
Phillips screwdriver
ESD-preventive wrist strap
The installation tools are not shipped with the Switch 4210G.
2-3
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