1-1
1 Preparing for installation
This document is applicable to the following Ethernet switches:
S6520X-30QC-EI
S6520X-54QC-EI
S6520X-30HC-EI
S6520X-54HC-EI
S6520X-30HF-EI
S6520X-54HF-EI
S6520X-30QC-HI
S6520X-54QC-HI
S6520X-30HC-HI
S6520X-54HC-HI
S6520X-30HF-HI
S6520X-54HF-HI
S6520X-54HC-UPWR-EI
Safety recommendations
To avoid any equipment damage or bodily injury caused by improper use, read the following safety
recommendations before installation. Note that the recommendations do not cover every possible
hazardous condition.
Before cleaning the switch, remove all power cords from the switch. Do not clean the switch
with wet cloth or liquid.
Do not place the switch near water or in a damp environment. Prevent water or moisture from
entering the switch chassis.
Do not place the switch on an unstable case or desk. The switch might be severely damaged in
case of a fall.
Ensure good ventilation of the equipment room and keep the air inlet and outlet vents of the
switch free of obstruction.
Make sure the power input voltage is as required by the power supply.
To avoid electrical shocks, do not open the chassis while the switch is operating or when the
switch is just powered off.
During switch installation, wear an ESD wrist strap. Make sure the strap makes good skin
contact and is reliably grounded.
Examining the installation environment
To ensure correct operation of your switch, make sure the installation environment meets the
requirements listed in Table1-1.
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