H3c-technologies H3C SecPath L1000-A Load Balancer User Manual download pdf (Page 13)

Figure 2 Attaching an ESD wrist strap

(1) ESD wrist strap (2) Lock (3) Alligator clip

EMI

The EMI might be coupled from the source to the L1000-A through the following coupling mechanisms:

• Capacitive coupling

• Inductive coupling

• Radiative coupling

• Common impedance coupling

• Conductive coupling

To prevent EMI, take the following actions:

• Take measures against interference from the power grid.

• Do not use the L1000-A together with the grounding equipment or lightning-prevention equipment

of power equipment, and keep the L1000-A far away from them.

• Keep the L1000-A far away from high-power radio launchers, radars, and equipment with high

frequency or high current to make sure the EMI levels do not exceed the compliant range.

• Use electromagnetic shielding when necessary.

Lightning protection

To protect the L1000-A from lightning better, do as follows:

• Make sure the chassis is correctly grounded. For how to ground the L1000-A, see "Grounding the

1000-A."

• Make sure the grounding terminal of the AC power receptacle is correctly grounded.

• Install a lightning protector at the input end of the power supply to enhance lightning protection

capability. For more information, see "Connecting the AC power supply to a power strip with

ghtning protection."

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H3c-technologies H3C SecPath L1000-A Load Balancer User Manual Page 13