Dell PowerEdge 6400 - Manual (Page 33)

The following indicators are on the system's front panel (see Figure 1 ):
l The green fan/temperature status indicator blinks amber when a fan failure is detected or temperature is out of bounds.
l
The green power-supply status indicator blinks amber if a fault is detected with any of the power supplies or any system voltages.
The three indicator lights on each of the SCSI hard-disk drive carriers provide the following information (see Figure 2 ):
l The green hard-disk drive online indicator lights up when the hard-disk drive is receiving power.
l The green hard-disk drive activity indicator lights up when data is being transferred to or from the hard-disk drive.
l The amber hard-disk drive failure indicator blinks if a hard-disk drive failure is detected.
Figure 1. Front Panel
Figure 2. SCSI Hard-Disk Drive Indicators
Connecting External Devices
You can connect various external devices, such as a mouse and printer, to the I/O ports and connectors on the system's back panel (see Figure 3 ).
The system BIOS detects the presence of external devices when you boot or reboot your system. When connecting external devices to your
system, follow these guidelines:
l Check the documentation that came with the device for specific installation and configuration instructions.
1 Power indicator
2 Power button
3 Keylock
4 Hard-disk drive
5 Fan/temperature status indicator
6 Power-supply status indicator
7 CD-ROM drive
8 Diskette drive
1 Hard-disk drive online indicator
2 Hard-disk drive activity indicator
3 Hard-disk drive failure indicator