Hillstone SG-6000 X Series, Справочное руководство

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Chapter 5 Hardware Maintenance and Replacement
Overview
This chapter provides information on how to maintain and replace power module, expansion mod-
ule and fan tray.
General Maintenance
For optimum performance, use the following routine maintenance procedures:
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Inspect the installation site for moisture, temperature and cleanness according to the Site Pre-
paration .
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Check the cables and make sure they are not loosened.
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Inspect the air inlet and outlet. Make sure that there is no object blocking the air inlet and the
air outlet has not gathered any heavy dust. If the dust is so thick that it blocks the air flow,
clean the cooling system or replace a fan tray. See Replacing the Cooling System Components .
When you maintain the hardware components, note that:
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Always wear ESD strap on around your bare wrist. See ESD Prevention .
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When you inspect or move the modules, hold the module with both hands without touching
the electric components on the module.
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The removed module should be placed into an antistatic bag or on an antistatic table with com-
ponent-side up.
Tools Required
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Cross screwdriver
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ESD wrist strap
Chapter 5 Hardware Maintenance and
Replacement
128