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Introduction
Writer Unit (LB-XD73A)_Interface side panel
Power connector
A
Provides a +24 V and +12 V DC power supply.
≥ Before disconnecting a DC cable, confirm that LED 5
(POWER) listed in the following field
Nameplate
B
Describes a model number, ratings, serial number, etc.
Control interface port
C
Serves as a port for a connection to the Base Module via the
supplied exclusive use connection cable.
Drive interface port
D
Serves as a port for data transfer.
There are two ports. (SAS1, SAS2)
Connects to external servers.
≥ SAS interface port (connector: SFF-8644 Mini-SASHD)
LED
E
Indicates the operating state of the unit. (The LEDs are
numbered from left to right.)
` LED 1 (FAN)/LED 2 (CHANGER)/LED 3 (DRIVE)
Running: illuminates in green
Stopped: off
` LED 4 (INFORMATION)
Always: off
` LED 5 (POWER)
While energized: illuminates in green
While de-energized: off
Fan ventilation hole
F
Serves as a hole for air ventilation of the unit during a fan
operation.
≥ The unit is equipped with three fans.
≥ Care should be taken not to block the hole.
Handle
G
Use this part to remove the Writer Unit from the Extension
Unit.
≥ Do not use this part for any purpose other than the above,
such as lifting this unit by holding this part.
Component names
is off.
E
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