17
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COM3-COM6/ COM7-COM10 (40-Pin): RS232 Serial Port Header Block
Pin 1
Pin 2
COM8
COM
7
COM
6
COM
5
COM5-COM8
Pin 39
Pin 40
Pin 1
Pin 2
COM12
COM
11
COM
10
COM
9
COM9-COM12
Pin 39
Pin 40
COM5-COM8
Pin NO.
RS232
Pin NO.
RS232
Pin 1
DCD5
Pin 2
DSR5
Pin3
SIN5
Pin 4
RTS5
Pin 5
SOUT5
Pin 6
CTS5
Pin 7
DTR5
Pin 8
RI5
COM5
Pin 9
GND
Pin 10
NC
Pin 11
DCD6
Pin 12 DSR6
Pin 13
SIN6
Pin 14
RTS6
Pin 15
SOUT6
Pin 16
CTS6
Pin 17
DTR6
Pin 18
RI6
COM6
Pin 19
GND
Pin 20
NC
Pin 21
DCD7
Pin 22 DSR7
Pin 23
SIN7
Pin 24
RTS7
Pin 25
SOUT7
Pin 26
CTS7
Pin 27
DTR7
Pin 28
RI7
COM7
Pin 29
GND
Pin 30
NC
Pin 31
DCD8
Pin 32 DSR80
Pin 33
SIN8
Pin 34
RTS8
Pin 35
SOUT8
Pin 36
CTS8
Pin 37
DTR8
Pin 38
RI8
COM8
Pin 39
GND
Pin 40
NC
COM9-COM12
Pin NO.
RS232
Pin NO.
RS232
Pin 1
DCD9
Pin 2
DSR9
Pin3
SIN9
Pin 4
RTS9
Pin 5
SOUT9
Pin 6
CTS9
Pin 7
DTR9
Pin 8
RI9
COM9
Pin 9
GND
Pin 10
NC
Pin 11
DCD10
Pin 12 DSR10
Pin 13
SIN10
Pin 14
RTS10
Pin 15
SOUT10
Pin 16
CTS10
Pin 17
DTR10
Pin 18
RI10
COM10
Pin 19
GND
Pin 20
NC
Pin 21
DCD11
Pin 22 DSR11
Pin 23
SIN11
Pin 24
RTS11
Pin 25
SOUT11
Pin 26
CTS11
Pin 27
DTR11
Pin 28
RI11
COM11
Pin 29
GND
Pin 30
NC
Pin 31
DCD12
Pin 32 DSR12
Pin 33
SIN12
Pin 34
RTS12
Pin 35
SOUT12
Pin 36
CTS12
Pin 37
DTR12
Pin 38
RI12
COM12
Pin 39
GND
Pin 40
NC
COM5-COM8
COM9-COM12