Dell OptiPlex 3020M Owner's Manual page 45

Table 23. Cards
Feature
WLAN card
Table 24. Drives
Feature
Internally Accessible:
Table 25. External Connectors
Feature
Audio:
Front panel
Network adapter
Serial
USB 2.0 (Front/Rear/Internal)
USB 3.0 (Front/Rear/Internal)
Video
Table 26. Controls and Lights
Feature
Front of the computer:
Power button light
Drive activity light
Back of the computer:
Link integrity light on integrated network adapter
Network activity light on integrated network adapter
Power supply diagnostic light
Specification
Intel Dual Band Wireless-AC 7260 (M.2)
802.11 ac
Bluetooth 4.0
WiDi (Wireless Display)
NOTE: For optimal performance, it is recommended to use the
wireless display feature with an access point that supports 5
GHz standard.
Specification
2.5-inch SATA drive bays
Specification
one global headset and one microphone connector ( re-taskable to
headphone )
one RJ–45 connector
PS2 or serial connector (optional)
1/3/1
1/1/0
• 15-pin VGA connector
• one 20-pin Display port connectors
Specification
White light — Solid white light indicates power-on state; breathing white
light indicates sleep state of the computer.
White light — Blinking white light indicates that the computer is reading
data from or writing data to the hard drive.
Green — A good 10 Mbps connection exists between the network and the
computer.
Green — A good 100 Mbps connection exists between the network and
the computer.
Orange — A good 1000 Mbps connection exists between the network and
the computer.
Off (no light) — The computer is not detecting a physical connection to
the network.
Yellow light — A blinking yellow light indicates that network activity is
present.
Green light — The power supply is turned on and is functional. The power
cable must be connected to the power connector (at the back of the
computer) and the electrical outlet.
Specifications 45