Panasonic LB-DH7 Series Operator's Manual page 13

Introduction
Writer Unit (LB-XD73A)_Interface side panel
Power connector
A
Nameplate
B
Control interface port
C
Drive interface port
D
LED
E
Fan ventilation hole
F
Handle
G
Component names
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Provides a +24 V and +12 V DC power supply.
≥ Before disconnecting a power cable, confirm that LED 5 listed in
the following field E is off.
Describes a model number, ratings, serial number, etc.
Serves as a port for a connection to the Base Module via the
supplied exclusive use connection cable.
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)
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: no illumination
` LED 4 (INFORMATION)
Always: off
` LED 5 (POWER)
Power-on: illuminates in green
Power-off: no illumination
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.
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.
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