IBM System Storage DCS9900 1269-3S2 Storage Expansion Unit Installation, Service, and User Guide
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3.2.1 PSU/Cooling Module LEDs
The PSU/Cooling module incorporates 4 LEDs, located below the On/Off switch (
• Under Normal conditions, the LEDs should all be illuminated constant GREEN.
• If a problem is detected, the color of the relevant LED will change to AMBER. Please refer to
for further information.
Figure 3–1
PSU LEDs
3.2.2 Ops Panel Switches
The Ops Panel Enclosure ID switch is reported via SES page to assist in enclosure identification.
Note
A Host can override the value set in the ID switch.
Configuration switches (
) must be set to the following positions:
Switch
9
10
11
12
Position
ON
ON
OFF
OFF
