H3C LSW1SP4P0 User Manual page 20

NOTE:
When installing or removing an optional interface card, pay
attention to the following points:
Avoid touching the surface-mounted components directly with
•
your hands.
Avoid using excessive force in the operation.
•
After removing an interface card, if no module is to be installed,
•
install the blank panel as soon as possible to prevent dust and
ensure the normal ventilation in the switch.
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