Ac Power Supply And Fan Unit Leds; Dc Power Supply And Fan Unit Leds; Power Supply And Fan Unit Leds - IBM DS4700 Installation, User's, And Maintenance Manual

AC power supply and fan unit LEDs

This section describes the primary power supply and fan unit LEDs on the DS4700
Express Storage Subsystem (models 70A, 70H, 72A, and 72H).
Figure 96. Power supply and fan unit LEDs
Table 40. Power supply and fan unit LEDs
Number LED
1
2
3
4

DC power supply and fan unit LEDs

This section describes the primary dc power supply and fan unit LEDs on the
DS4700 Express Storage Subsystem (models 70S, 70T, 72S, 72T).
126
IBM System Storage DS4700 Express Storage Subsystem: Installation, User's and Maintenance Guide
1 2 3 4
Power supply and fan unit
Power
Service Action Allowed
(OK to Remove)
Service Action Required
(Fault)
Direct Current Enabled
4 3 2
ds470007
Normal Status
On
Off
Off
On
1
Problem Status
Off
On
On
Off