User's Guide

Chapter 2 Basic Operations
DX-Series Storage Array Operations
Quantum DX-Series User’s Guide 27
Table 6 BBU LED Descriptions
Power Supply LEDs 2 Each power supply comes with a single LED located just above the power
switch. This LED indicates the operational status of the PSU module. (see
figure 16).
Figure 16 Power Supply
Locations
The LEDs located on the power supply are described in table 7.
LED On/Flash/Off Description
BBU LED-
Amber
On The BBU cannot sustain the cache
memory. BBU may also be missing.
Off The BBU is able to sustain the cache
memory.
Flashing The BBU is charging.