High-Density Expansion Unit Rear Panel - Hitachi AMS 2100 Hardware Manual

High-density expansion unit rear panel

The rear panel of a high-density expansion unit includes four power
supplies, four ENC-IN ports, and four ENC-OUT ports. The ports provide the
connections to daisy-chain high-density expansion units in the array. See
Chapter 5, Installation
show the status of the ENC units and the power supplies.
the hardware components on the rear panel of a high-density expansion
unit. Expanded views and detailed descriptions of the high-density
expansion unit power supplies and ENC adapters are located on the
following pages.
Figure 4-31: High-density Expansion Unit Rear Panel Components
Table 4-32: High-density Expansion Unit Rear Panel Components
Item Description

Power Supply 0B

Power Supply 1B

Power Supply 0A

Power Supply 1A
4–38
for details. The rear panel also provides LEDs that
Item

ENC Unit B0 IN

ENC Unit B0 OUT

ENC Unit B1 IN

ENC Unit B1 OUT
Hardware components
Hitachi AMS 2100/2300 Storage System Hardware Guide
Description Item


Figure 4-31 shows
Description
ENC Unit A0 IN
ENC Unit A0 OUT
ENC Unit A1 IN
ENC Unit A1 OUT