
8
COM4/6: Internal Serial Port Connector
Mode
RS232
RS422
RS485
PIN NO.
DESCRIPTION DESCRIPTION DESCRIPTION
1
DCD
TXD-
DATA-
2
DSR
N/A
N/A
3
RXD
TXD+
DATA+
4
RTS
N/A
N/A
5
TXD
RXD+
N/A
6
CTS
N/A
N/A
7
DTR
RXD-
N/A
8
RI
N/A
N/A
9
GND
N/A
N/A
COM2/3/5: Internal Serial Port Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
COM1: External Serial Port Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
AUDIO1: Audio Line-In/Out MIC Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
LINE-OUT_R
2
LINE-IN_R
3
AUD_GND
4
AUD_GND
5
LINE-OUT_L
6
LINE-IN_L
7
AUD_GND
8
AUD_GND
9
MIC1_R
10
MIC1_L