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3. CONNECTION
The connectors on AR-B1842-G allows you to connect external devices such as USB devices, serial
port drives, hard disk devices, printers, etc. The following table lists the connectors on AR-B1842-G
and their respective functions.
3.1 PS/2 KEYBOARD & MOUSE
(
CN1
)
3.2 KEYBOARD & MOUSE HEADER (J6)
3.3 KEYBOARD LUCK/UNLCK HEADER (JP5)
3.4 SERIAL PORT CONNECTOR
(
COM1
)
3.5 INTERNAL SERIAL PORT HEADER
(
COM2
)
PIN
SIGNAL
PIN
SIGNAL
1 KBDAT 2 MSDAT
3 GND 4 +5V
5 KBCLK 6 MSCLK
PIN
SIGNAL
PIN
SIGNAL
1 KBDAT 2 MSDAT
3 GND 4 +5V
5 KBCLK 6 MSCLK
PIN
SIGNAL
PIN
SIGNAL
1 DCD1 6 DSR1
2 RXD1 7 RTS1
3 TXD1 8 CTS1
4 DTR1 9
RI1
5 GND
PIN
SIGNAL
PIN
SIGNAL
1 DCD2 2 DSR2
3 RXD2 4 RTS2
5 TXD2 6 CTS2
7 DTR2 8
RI2
9 GND 10 GND