5
ROM-DB3900 User Manual
Chapter 2
H
/W Installation
2.3.2
I/O Connectors
2.4
Connectors, Jumper settings, Switches and
LEDs
2.4.1
Rear I/O panel
Table 2.1: External IO Connector
Position
Description
DCIN
DC Jack
A
COM01A
UART Port 1
B
COM01B
UART Port 2
C
HDMI
HDMI Port
D
VGA
VGA Port
E
RJ45+USB
GbE Ethernet Connector
F
RJ45+USB
USB Port 1/ 2
G
PHONE_JACK
MIC Input/ Audio Output
H
Table 2.2: DCIN (DC-Jack, +19V power input)
Pin
Signal
Pin
Signal
1
+19V
Shield
GND