Chapter 1. Product Description
EK–SMCPR–UG. A01
387404-001
1–23
CAUTION
A minimum of four operational SBB power supplies are
required for operation of the subsystem. The fifth SBB
power supply provides redundancy.
Table 1–2 Storage Subsystem Major Power Components
Component
Order No.
Power Configurations
Standard
Redundant
ac Power Entry
Controller
DS-BA35X-HE
1
2
Shelf Power Supply
SBB
DS-BA35X-HH
5
8
1.5.1 AC Power Entry Controllers
The ac input power is routed from the wall outlet to one of the power entry controllers
(Figure 1-13) that may have either of the following input voltages:
•
100 – 120 V ac, 60 Hz, single-phase, 12A
•
220 – 240 V ac, 50 Hz, single-phase, 6A
Each power entry controller has a system ON/OFF switch and distributes ac power to all
power supply SBBs on either power bus A or power bus B.
Figure 1–13 AC Power Entry Controller
SHR-1150
AC Power
Switch
Fuse
AC Receptacle
