Huawei N2000H V3 - 7.40 Rear Hard Disk Backplane Procedures

N2000H V3 Appliance
User Guide
7 Replacing Parts
Issue 04 (2018-11-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
223
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7.40 Removing the Rear Hard Disk Backplane
This topic describes how to remove the rear hard disk backplane before replacing it with a
new one.
Scenarios
The rear hard disk backplane has failed.
Prerequisites
Conditions

You have powered off the N2000H V3. For details, see 3.2 Powering Off.

You have removed the chassis cover from the N2000H V3. For details, see 5.6
Removing the Chassis Cover.
Data

You have determined the position on the N2000H V3 for removing the rear hard disk
backplane.

You have obtained the rack number and chassis number of the N2000H V3.

You have located the N2000H V3 based on the preceding information, and labeled its
panel to prevent misoperations.
Tools

ESD wrist strap or ESD gloves

M3 Phillips screwdriver

Packaging materials, for example, an ESD bag
Procedure

Remove the rear hard disk backplane for 12 disks.
a. Remove the air duct and all fan modules.
b. Remove all cables from the mainboard.
Remove the FFC cable to avoid cable damage caused by the removal of the mainboard frame.
See step (1) in Figure 5-77. If the FFC cable is damaged, the Appliance cannot work.
c. Loosen the screws that secure the mainboard to the chassis. See step (2) in Figure
5-77.
d. Push the mainboard frame out of the chassis by holding the mainboard handle. See
step (3) in Figure 5-77.