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CAUTION:
• When moving the switch, hold the handles at both sides of the chassis.
• Do not hold the handle of the fan tray, power module, or back cover of the chassis, or the air vents of
e or even bodily
injury.
ESD prevention
To prevent the electric component from being damaged by the electrostatic discharge (ESD), adhere to
the following requirements:
• Ground the switch properly. For how to ground your switch, see the chapter “Installing the switch.”
• Always wear an ESD-preventive wrist strap and make sure it is well grounded when installing
pluggable modules. For how to use an ESD-preventive wrist strap, see the chapter “Installing
modules.”
• Hold a PCB by its edges. Do not touch any electronic components or printed circuit.
• Put cards in an ESD-preventive bag.
Safety with laser
The H3C S7500E series switches are class 1 laser products.
WARNING!
The laser inside the optical fiber may hurt your eyes.
Examining the installation site
The H3C S7500E series can only be used indoors. To ensure that the switch works properly and to
prolong its service lifetime, the installation site must meet the following requirements.
Weight support requirements
Evaluate the floor loading as compared to the actual weight of the switch and its accessories (such as
rack, chassis, cards, and power modules, and make sure that the floor can support the weight of the rack
and the switch chassis.
IMPORTANT:
When evaluating the floor loading, consider switch capacity expansion (for example, installing a new
card) in the future.
Temperature requirements
To ensure the normal operation of the switch, ensure that the room temperature meets the requirements
described in Table 2.
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