21
Grounding the switch
CAUTION:
Before using the switch, connect the grounding cable properly to guarantee lightning protection and
anti-interference of the switch.
This section includes these topics:
x
Grounding the switch with a grounding strip
x
Grounding the switch through the PE wire of an AC power supply
Grounding the switch with a grounding strip
When a grounding strip is available at the installation site, connect the grounding cable through the
grounding strip.
CAUTION:
x
Use the supplied grounding cable (yellow-green grounding cable).
x
Connect the grounding cable to the earthing system in the equipment room. Do not connect it to a fire
main or lightning rod.
To connect the grounding cable:
1.
Take out the grounding cable from the package.
2.
Remove the grounding screws from the grounding holes on the switch chassis (the grounding holes
are located at the rear of the chassis, as shown in callout 2 on
Figure 15
.).
NOTE:
The grounding cable provided with the A10500 Switch Series is compliant with the NEBS standards.
3.
Fasten the grounding screws, which are attached with the dual-hole terminals of the grounding
cable, into the grounding holes of the chassis.
4.
Connect the OT terminal of the grounding cable to the grounding post of the grounding strip, and
fasten the grounding cable to the grounding strip with the hex nut.