Owners Manual

Table 5. PSU features and indicators

Item Control/Feature Icon Description

1 Release latch Releases PSU from enclosure

2 PSU fault

• Amber (steady) — PSU fault or PSU not working

• Amber (blinking) — PSU rmware is downloading

3 AC fault

• Amber (steady) — AC power is not detected

• Amber (blinking) — PSU rmware is downloading

4 Power OK

• Green (steady) — PSU is working

• Green (blinking) — AC power is present, but the

PSU is in standby mode (the other PSU is working)

5 Power Connector Connect the external power supply source to this

connector.

6 Power switch The power switch controls the PSU output to the

system.

If all three LEDs are o, there is no AC power supplied to either PSU.

Physical disk installation guidelines

Prerequisites

• Maximum of 84 physical disks can be installed in the storage enclosure.

• Of the 84 physical disks, there can only be 28 SSDs and rest are HDDs.

• A minimum of 28 physical disks must be installed. These 28 physical disks can be:

– 28 HDDs only.

– 28 SSDs only.

– Combination of HDDs and SSDs adding to minimum of 28 physical disks.

About this task

To maintain proper airow, install physicals disks from left to right and front to back in each drawer. The following image and table lists the

slot numbers of the physical disks and the order in which the disks need to be installed.

About your system