DFI BT551 - Rear Panel I;O Ports; Rear Panel Ports Description; DC-in Power Connection

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Chapter 2 Hardware Installation
Chapter 2
Rear Panel I/O Ports
The rear panel I/O ports consist of the following:
• 1 12V (BT551) or 15~36V (BT553) DC-in jack or 4-pin power connector* (optional)
• 1 DP port
• 1 VGA port
• 2 RJ45 LAN ports
• 1 USB 3.0 port
• 1 USB 2.0 port
12V DC-in (BT551)/15~36V DC-in (BT553)
DC-in
This jack provides maximum of 100W/120W power and is considered a low power solution.
Connect a DC power cord to this jack. Using a voltage more than the recommended range
may fail to boot the system or cause damage to the system board.
The DC-in jack on the system board co-lays with a 4-pin power connector (optional) as the
photo displayed below.
DC-in jack
4-pin power
1
3
24
DC-inLAN 1LAN 2USB 3.0 DP
USB 2.0
VGA
Ground
Ground
+12V
+12V