4
LED Indicators and Switches
This chapter provides information about locating and using system LEDs and switches in the
server. For additional information about troubleshooting procedures, refer to the HP
ProLiant ML370 Generation 3 Server Setup and Installation Guide.
System LEDs
The server contains several sets of LEDs that indicate the status and settings of hardware
components. This chapter discusses the following types and locations of LEDs:
•
•
•
•
•
•
•
Front panel
Hot-plug SCSI hard drive
RJ-45 connector
Rear unit identification LED switch
Hot-plug power supply
Hot-plug fan
System board
Information at the end of this section discusses the interactions between external and system
board LEDs in troubleshooting or assessing system status.
HP ProLiant ML370 Generation 3 Server Maintenance and Service Guide 4-1