2
Handling safety
CAUTION:
Do not hold the handle of the fan tray, power supply, or back cover of the chassis, or the air vents of
chassis. Any attempt to move the switch with these parts might cause equipment damage and even bodily
injury.
When you move the switch, follow these guidelines:
•
Remove all external cables, including the power cords, before moving the chassis.
•
Moving the chassis requires at least two persons, and you can use a mechanical lift as needed.
•
Lift and put down the chassis slowly and never move suddenly.
•
Hold the handles on the chassis.
ESD prevention
To prevent the electric component from being damaged by ESD, follow these guidelines:
•
Ground the switch correctly. For how to ground your switch, see "
•
Always wear an ESD wrist strap and make sure it is well grounded when installing FRUs. For how
to use an ESD wrist strap, see "
•
Hold a PCB by its edges. Do not touch any electronic components or printed circuit.
•
Put cards away in ESD bags for future use.
Laser safety
WARNING!
Do not stare into any fiber port when the switch has power. The laser light emitted from the optical fiber
might hurt your eyes.
Examining the installation site
The HP FlexFabric 11900 switches must be used indoors. To ensure normal operation and long service life
of your switch, the installation site must meet the requirements in this section.
Weight support
Make sure the floor can support the total weight of the rack, chassis, cards, power supplies, and all other
components. Additionally, the floor loading plan must also consider system expansion, such as adding
more cards. For more information, see "
Summary of Contents for FlexFabric 11908-V
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