18
(4)
COM3-6 (36-Pin): RS232 Serial Port Header
COM3-6
Pin NO. RS232
Pin NO. RS232
COM3
Pin A1
DCD3
Pin B1
DSR3
Pin A2
SIN3
Pin B2
RTS3
Pin A3
SOUT3
Pin B3
CTS3
Pin A4
DTR3
Pin B4
RI3
Pin A5
GND
Pin B5
N/A
COM4
Pin A6
DCD4
Pin B6
DSR4
Pin A7
SIN4
Pin B7
RTS4
Pin A8
SOUT4
Pin B8
CTS4
Pin A9
DTR4
Pin B9
RI4
Pin A10
GND
Pin B10
N/A
COM5
Pin A11 DCD5
Pin B11 DSR5
Pin A12
SIN5
Pin B12
RTS5
Pin A13
SOUT5
Pin B13
CTS5
Pin A14
DTR5
Pin B14
RI5
Pin A15
GND
Pin B15
N/A
COM6
Pin A16 DCD6
Pin B16 DSR6
Pin A17
SIN6
Pin B17
RTS6
Pin A18
SOUT6
Pin B18
CTS6
Pin A19
DTR6
Pin B19
RI6
Pin A20
GND
Pin B20
N/A
*COM3-6
Pin:A1
Pin:A20
Pin:B1
Pin:B19