14
Gigabit Smart Switch
Cable Pave Way Min Parallel
Length (mm1
2~5kVA
powerline
Parallel cabling 300
One is in the grounded metal raceway or metal pipe 150
The both are in the grounded metal raceway or metal
pipe 80
>5kVA
powerline
Parallel cabling 600
One is in the grounded metal raceway or metal pipe 300
The both are in the grounded metal raceway or metal
pipe 150
Device Min Distance (m1
Switch case 1.00
Transformer room 2.00
Elevator tower 2.00
Air-conditioner room 2.00
Connect to Ground211 Connecting the device to ground is to quickly release the lightning over-voltage and
over-current of the device, which is also a necessar y measure to protect the body from
electric shock.
In diff erent e nvironments , the device may be grounde d diff erently. T he foll owing
will instruct you to connec t the device to the ground in two ways, connecting to the
grounding bar or co nnecting to the gro und via the power cord. Ple ase connec t the
device to ground in the optimum way according to your specific operation environment.
Connecting to the Grounding Bar
■
If the device is installed in the Equipment Room, where a grounding bar is available,
you are recommended to connect the devi ce to t he grounding bar as shown in the
following figure.
Switch (Rear Panel)
Ground Cable
Grounding Terminal
Grounding Bar
Connecting to the Grounding BarFigure 3-1
Lightning Protection