4
• Maintain the humidity and temperature at acceptable levels. For more information, see
"Temperature and humidity."
• Before workin
g with the device, wear an ESD wrist strap or gloves and ESD garment, and
remove conductive objects such as jewelry or watch. Make sure the wrist strap makes good
skin contact and is reliably grounded.
• Always remember to wear an ESD wrist strap when working with a transceiver module.
No ESD wrist strap is provided with the device. Prepare one yourself.
To attach an ESD wrist strap:
1. Wear the wrist strap on your wrist.
2. Lock the wrist strap tight around your wrist to maintain good contact with the skin.
3. Secure the wrist strap lock and the alligator clip lock together.
4. Attach the alligator clip to the rack.
5. Make sure the rack is reliably grounded.
Figure 2 Attaching an ESD wrist strap (WX3540H)
(1) ESD wrist strap (2) Lock
(3) Alligator clip
EMI
All electromagnetic interference (EMI) sources, from outside or inside of the device and application
system, adversely affect the device in the following ways:
• A conduction pattern of capacitance coupling.
• Inductance coupling.
• Electromagnetic wave radiation.
• Common impedance (including the grounding system) coupling.
To prevent EMI, perform the following tasks:
• If AC power is used, use a single-phase three-wire power receptacle with protection earth (PE)
to filter interference from the power grid.
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