Dell External OEMR XL T620 Owner's Manual page 10

Figure 2. Front-Panel Features and Indicators—3.5 Inch Hard-Drive Chassis
Item Indicator, Button, or
Connector
1 Optical drive (optional)
2 vFlash media card slot
3 Power-on indicator, power
button
10
Icon Description
One optional SATA DVD-ROM drive or DVD+/-RW drive.
Allows you to insert a vFlash media card.
The power-on indicator lights when the system power is
on. The power button controls the power supply output to
the system.