Reading The Operator Panel And System Leds - IBM TotalStorage NAS Gateway 500 Service Manual

Reading the operator panel and system LEDs

The following illustration shows the component location on the operator panel.
1 Power-on button
2 Power LED
3 Attention LED
4 SCSI port activity
5 Ethernet port activity
Index Component name
1 Power-on button
2 Power LED
3 Attention LED
4 SCSI port activity
5 Ethernet port activity
6 Operator-panel display
7 Front serial connector (FS1)
8 Service processor reset switch
(pinhole)
9 System reset button
For more information about other system LEDs, see "Component LEDs" on page 384.
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NAS Gateway 500 Service Guide
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OK
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6 Operator-panel display
7 (FS1) front serial connector (RJ-48 connector)
8 Service processor reset switch (pinhole)
9 System reset button
Component description
Turns the system power on and off.
Blinking - When connected to the power source (system is
in standby mode).
Solid - When power button has been pressed.
Note: There is approximately a 40-second transition period
from the time the power button is pressed to when the
power LED goes from blinking to solid. During the transition
period, you might observe the blinking intervals speed up.
Normal state - LED is off.
Normal State - LED is on when there is SCSI activity.
Normal state - LED is on when there is Ethernet activity.
Displays current status of system startup, or diagnostic
information in the event of a hardware problem.
Serial port uses RJ-48 connector. Use to plug in external
devices at the front of the system unit.
Service personnel use only.
Resets the system.
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