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No. Compone
nt
Description
7
PSU
Two hot-swappable PSUs in 1+1 redundancy mode.
Choose the following types of PSUs based on the input power:
l
AC PSUs: 100 V to 240 V AC
l
DC PSUs:
–
48 V to
–
60 V DC
l
240 V high-voltage direct-current (HVDC) PSUs: 192 V to 288 V
DC
l
380 V HVDC PSUs: 260 V to 400 V DC
NOTE
The PSUs provide short-circuit protection. The PSUs that support dual input
live wires provide double-pole fuses.
8
PSU
backplane
Connects PSUs to the mainboard.
9
Air duct
Facilitates chassis ventilation.
10
Supercapac
itor tray
Secures a supercapacitor for a RAID controller card.
11
Supercapac
itor
Protects RAID cache data from power failures for controller card
using LSI SAS2208, LSI SAS3108, or SP435 (PM8060) chips.
12
Hard disk
backplane
Supplies power to hard disks and provides data transmission channels.
The RH2288 V3 supports six types of hard disk backplanes for
connecting to 8 x 2.5-inch, 8 x 3.5-inch, 12, 12 (including NVMe
PCIe SSDs), 24, and 25 hard disks respectively.
13
Right
mounting
ear
Fixes the server in the cabinet and integrates a fault diagnosis LED,
health indicator, UID button/indicator, and power button/indicator.
14
Left
mounting
ear
Fixes the server in the cabinet and provides two USB 2.0 ports and
four network port link status indicators.
15
Hard disks
Store data.
Hard disks are hot-swappable.
16
Fan
modules
Dissipate server heat.
Fan modules are hot-swappable. The server supports fan speed
adjustment by area, maintaining optimal heat dissipation.
l
If the server is configured with four fan modules, the server
tolerates the failure of a single fan module.
l
If the server is configured with three fan modules, the fan modules
must be installed in the FAN2/3/4 slots and the server does not
tolerate the failure of a single fan module.
RH2288 V3 Server
User Guide
2 Overview
Issue 32 (2019-03-28)
Copyright © Huawei Technologies Co., Ltd.
28