Ds400 Controls And Leds - IBM TotalStorage DS300 Best Practices Manual

Power supply with fan unit
Fibre Channel RAID controller Fibre Channel RAID controller
Figure 3-11 DS400 Model 1700-2RD - rear view

3.4.3 DS400 controls and LEDs

The following sections describe the various controls and LEDs that are located
on the DS400 front and rear panels.
Front view
Figure 3-12 shows the LEDs on the front of the DS400 storage subsystem.
Figure 3-12 DS400 front LEDs
Table 3-7 DS400 front panel LEDs
DS400 problem indicators
Green Power LED is off.
When this LED is off, it indicates that DC power is
not present, or that the power supply or the LED
itself has failed. A power LED is also on the power
supply.
Power supply with fan unit
Action
Check Power Supply LEDs. Refer to power supply
LEDs table.
Note: To remove all electrical power from the
storage subsystem, you must disconnect the power
cord from the electrical outlet.
Chapter 3. Components overview
45