Installation Manual
H3C S5500-EI Series Ethernet Switches
Chapter 2 Installation Preparations
2-3
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As the AC power system is a TN system, use a single-phase three-wire power
socket with a protection earth (PE) to effectively filter interference from the power
grid.
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Keep the device far away from radio transmitting stations, radar stations, and
high-frequency devices.
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Use electromagnetic shielding, for example, shielded interface cables, when
necessary.
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Route interface cables only indoors to prevent signal ports from getting damaged
by over-voltage or over-current caused by lightning strikes.
2.2.4 Laser Safety
The S5500-EI series are Class 1 laser devices.
Caution:
When an optional interface module or SFP module on the S5500-EI series is operating,
do not stare into the optical port because the laser light emitted from the optical fiber
may hurt your eyes.
2.3 Installation Tools
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Flat-blade screwdriver
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Phillips screwdriver
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ESD-preventive wrist strap
Caution:
The installation tools are not shipped with the S5500-EI series.