IBM 8669 Hardware Maintenance Manual - Page 18

Operator information panel, Hard Disk Drive Activity Light, AC Power Light

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Page 18 highlights

Hard Disk Drive Activity Light: Each of the hot-swap drive bays has a Hard Disk Activity light. When this green light is flashing, the controller is accessing the drive. AC power LED (green) DC power LED (green) AC Power Light: This light provides status information about the power supply. During normal operation, both the AC and DC Power lights are on. For any other combination of lights, see "Power supply LED errors" on page 92. DC Power Light: This light provides status information about the power supply. During normal operation, both the AC and DC Power lights are on. For any other combination of lights, see "Power supply LED errors" on page 92. Operator information panel SCSI Hard Drive Activity Light (green) Ethernet Link Status Light (green) System Error Light (amber) TX RX LINK OK Ethernet Transmit/ Receive Activity Light (green) Information Light (amber) SCSI Hard Disk Drive Activity Light: This green light is on when there is activity on a hard disk drive. Ethernet Transmit/Receive Activity Light: When this green light is on, there is transmit or receive activity to or from the server. This light stays on even if the server power is turned off. 8 Hardware Maintenance Manual: xSeries 342 Type 8669

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Hard Disk Drive Activity Light:
Each of the hot-swap drive bays has a Hard Disk
Activity light. When this green light is flashing, the controller is accessing the drive.
DC power
LED (green)
AC power
LED (green)
AC Power Light:
This light provides status information about the power supply.
During normal operation, both the AC and DC Power lights are on. For any other
combination of lights, see “Power supply LED errors” on page 92.
DC Power Light:
This light provides status information about the power supply.
During normal operation, both the AC and DC Power lights are on. For any other
combination of lights, see “Power supply LED errors” on page 92.
Operator information panel
SCSI Hard
Drive Activity
Light (green)
System
Error
Light (amber)
Information
Light (amber)
Ethernet
Transmit/
Receive
Activity Light
(green)
TX
RX
Ethernet Link
Status Light
(green)
LINK
OK
SCSI Hard Disk Drive Activity Light:
This green light is on when there is activity
on a hard disk drive.
Ethernet Transmit/Receive Activity Light:
When this green light is on, there is
transmit or receive activity to or from the server. This light stays on even if the
server power is turned off.
8
Hardware Maintenance Manual: xSeries 342 Type 8669