Huawei RH2288 V3 User Manual page 40

RH2288 V3 Server
User Guide
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Issue 32 (2019-03-28)
Description
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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.
PSU Connects PSUs to the mainboard.
backplane
Air duct Facilitates chassis ventilation.
Supercapac Secures a supercapacitor for a RAID controller card.
itor tray
Supercapac Protects RAID cache data from power failures for controller card
itor using LSI SAS2208, LSI SAS3108, or SP435 (PM8060) chips.
Hard disk Supplies power to hard disks and provides data transmission channels.
backplane
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.
Right Fixes the server in the cabinet and integrates a fault diagnosis LED,
mounting health indicator, UID button/indicator, and power button/indicator.
ear
Left Fixes the server in the cabinet and provides two USB 2.0 ports and
mounting four network port link status indicators.
ear
Hard disks Store data.
Hard disks are hot-swappable.
Fan Dissipate server heat.
modules
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.
Copyright © Huawei Technologies Co., Ltd.
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