45xx Modular Disk Subsystem Manual for G-Series Releases

Introduction
45xx Modular Disk Subsystem Manual for G-Series Releases—142466
1-9
Power Supplies
Power Supplies
The 455mod8 module contains two power supplies, each with its own AC power cord.
The 455DS module contains one power supply and one AC power cord. Figure 1-5
shows the power supplies.
Power Supply LED
The green LED on a power supply (when lit) indicates that the power supply is
providing power within specification limits (see Figure 1-5
for the location of this LED).
Figure 1-4. Back-End Board (BEB) LEDs
Figure 1-5. Power Supplies
006CDT .CDD
Detail of BEB LEDs
Green
LED
Amber-Orange
LEDs
007CDT .CDD
Green
LED
ON/OFF
Switch
AC Power Cord
Retainer
Redundant Power Supply
(455mod8 Module Only)