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Chapter 2 Hardware Installation
During the installation and use of the ES4704BD Switch, please follow the safety
guidelines listed below:
Basic Guidelines
1. Disconnect power supplies from the chassis before disassembly or moving the
switch.
2. Install the switch in a clean area, ensuring proper temperature and humidity
conditions.
3. Keep the device accessories in a safe place.
4. When handling modules, always handle the modules by the edge, avoid contact
with integrated components and printed circuits.
5. Prevent electrostatic discharge damage to the integrated components and
printed circuits.
6. Keep maintenance tools in a safe place.
7. Do not wear loose clothing that may catch on devices, also remember to fasten
ties or scarves and roll up your sleeves.
8. If the environment may cause harm to eyes, be sure to wear a pair of protective
goggles.
9. Do not perform any operation that may result in bodily injury or damage to the
device.
10. When cleaning the switch, do not use a damp cloth to wipe the switch and
never wash the switch with liquids.
Safety Warning
1. Safety warnings appear throughout this publication, referring to operations
that
may harm you if performed incorrectly
.
2. Read through the installation instruction carefully before operating the system.
3. Only trained and qualified personnel should be allowed to install, replace, or
service the switch.
4. Disconnect power supplies from the chassis before disassembly or moving the
switch.
5. The final configuration of the product must abide by all national laws and codes.
Hot Line Work Safety Guidelines
1. Before working on equipment that is connected to power lines, remove jewelry
(including rings, necklaces, watches and bracelets).
2. Metal objects will cause short circuits and damage the device when in contact
with both powered items and the ground.
3. An improper connection between the device and power sockets may be