3-4
1) Place the switch with bottom up carefully, and then clean the round holes on the chassis bottom
with dry cloth.
2) Attach the rubber feet to the four round holes on the chassis bottom.
3) Place the switch with upside up on the workbench.
During the operation, you simply need to:
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Make sure that the workbench is flat and sturdy.
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Ensure good ventilation and a space of 10 cm (3.9 in.) around the chassis for heat dissipation.
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Do not place heavy objects on the switch.
Connecting the Ground Wire
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Correctly connecting the switch ground wire is crucial to the lightning protection and
electromagnetic susceptibility (EMS) of a switch.
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The power and grounding terminals in this section are for illustration only.
The power input end of the switch is connected with a noise filter, whose central ground is directly
connected to the chassis, forming the so-called chassis ground (commonly known as PGND). This
chassis ground must be securely connected to the earth so that the faradism and leakage electricity can
be safely released to the earth, enhancing the EMS capability of the switch.
The most common method is: Attach one end of the yellow-green ground wire of the switch to the
grounding screw on the grounding strip (the grounding screw and the grounding hole are on the rear
panel of the switch and are marked with a grounding sign). To do this, follow these steps:
1) Remove the grounding screw from the rear panel of the switch chassis.
2) Put the supplied OT terminal of the PGND cable on the grounding screw.
3) Fasten the grounding screw, which is attached with the OT terminal of the PGND cable, into the
grounding screw hole with a screwdriver.
