8
System Components
Chapter 2
Embedded and Industrial Computing
Front Components
Component
Description
Pin Definition Reference
F1 HDD (Yellow) and
Power LED (Green)
HDD
Blinking: data access activities
•
Off: no data access activities
•
Power
On: The computer is on.
•
Off: The computer is off .
•
POWER LED & Hard Disk
LED (LED2) on page 16
F2 Reset Switch
A hardware reset button
F3 Two 10/100/1000Mbps LAN ports Two RJ-45 (network) jacks with LED
indicators as described below
LINK/ACT (Yellow)
On/Flashing: The port is linking
•
and active in data transmission.
Off: The port is not linking.
•
SPEED (Green/Amber)
Amber: The connection speed is
•
1000Mbps.
Green: The connection speed is
•
100Mbps
Off: .The connection speed is
•
10Mbps.
LAN Ports (LANB1/LANB2)
on page 15
F4 Two USB 2.0 Ports
An USB type A connector; in addition to
this connector, an internal pin header is
provided.
Dual USB Port Connector
0 and 1 on Page 15
F5 Serial Ports
COM1 and COM2 provide RS232/
RS422/RS485 communications with
a dip switch selecting among these
standards.
RS-232 COM Port (COM1,
COM2 on page 14):
LINK/ACT
SPEED
F1
F2
F4
F3
F5