Reference Guide

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 Take dustproof measures for the equipment room.
 Maintain proper humidity and temperature levels.
 Do not disassemble the device without permission from the vendor, or you may
cause danger and void your warranty.
EMI Prevention
All possible Electromagnetic Interference (EMI) sources, external or internal, affect the device in
the way of capacitance coupling, inductance coupling, electromagnetic radiation, and common
impedance (including the grounding system) coupling. To prevent or reduce EMI:
 Take measures to protect the power system from the interference of the power grid.
 Separate the protection ground of the device from the grounding device or lighting
protection grounding device of the power supply equipment as far as possible.
 Keep the device away from radio stations, radar, and other high-frequency and high-
current devices.
 Use electromagnetic shielding when necessary.
Other Safety Recommendations
The directions below are also recommended for you to follow:
 Keep the device far away from moist areas and heat sources.
 Wear an ESD wrist strap correctly when handling the device.
 Be careful with laser emission. Do not directly stare into apertures of fiberoptic
connectors that emit laser radiation.
 Use uninterrupted power supply (UPS).
Verifying the Parts Received
When you receive the product, a packing list is included inside the accessory box. Verify the parts
and items you received against the packing list. If any part is missing, contact a customer service
representative.
Hillstone provides different expansion modules and power supply modules in separate individual
packages according to your order.