H3c-technologies H3C MSR 20-1X Manual de usuario Pagina 67

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Hardware Maintenance
Preparing Tools
Phillips screwdrivers
Flathead screwdrivers
ESD-preventive wrist strap
Antistatic bag
NOTE:
The above tools are not shipped with the MSR 20-1X routers. You must prepare them by yourself.
Opening the Chassis Cover
Follow these steps to open the chassis cover:
Step1 Power off the router and remove the power cord.
Step2 Remove all cables from interface cards on the rear panel (keep the grounding cable connected).
Step3 Put the router on a table and have the rear panel face you. Loosen and remove the captive screws from
the rear panel with a Phillips screwdriver.
Step4 Put two flathead screwdrivers into the holes on both sides of the chassis and turn them until the tab on the
front panel is separated from the front panel.
Step5 Pull the cover horizontally a short distance, lift and remove it.
WARNING!
A dismantle-preventive seal is stuck on one of the screws of the router chassis. When you ask your sales
agent to maintain the router, you must ensure that the dismantlement-preventive seal on the screw is
intact.
The following procedure can only be carried out by a qualified service engineer.
Please read the safety instructions provided with this router before carrying out this work.
Ensure that no power is present for the sake of safety before maintaining the hardware.
Wear an ESD-preventive wrist strap and make sure that it makes
g
ood skin contact when maintainin
g
the hardware.
Only memory modules provided by our company are recommended for use. Otherwise, the router ma
y
operate improperly.
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