Introduction
Component names
11
A
Power connector
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
E
is off.
B
Nameplate
Describes a model number, ratings, serial number, etc.
C
Control interface port
Serves as a port for a connection to the Base Module via the
supplied exclusive use connection cable.
D
Drive interface port
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)
E
LED
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
F
Fan ventilation hole
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.
G
Handle
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.
Writer Unit (LB-XD73A)_Interface side panel