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Introduction
LED
H
Fan ventilation hole
I
Base Module_Top panel
Top panel
A
Component names
Indicates the operating state of the unit. (The LEDs are numbered
from left to right.)
` LED1 (CONTROLLER)/LED2 (CHANGER)/LED3 (DRIVE)
Running: illuminates in green
Stopped: off
` LED 4 (INFORMATION)
LED illuminates in red in a situation that demands the
confirmation of the control panel. The LED turns off when no
confirmation is needed.
` LED 5 (POWER)
While energized: illuminates in green.
While de-energized: off
Serves as a hole for air ventilation of the unit during a fan
operation.
≥ The unit is equipped with a total of four fans: three regular fans
and one redundant fan.
≥ Care should be taken not to block the hole.
Front
Serves as the top panel of the uppermost module of the system.
≥ The top panel is secured to the Base Module by four
thumbscrews and one M3 screw. To add the Extension Unit to
the top of the Base Module, remove the top panel from the Base
Module and then install it on the uppermost Extension unit.
11
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