Connect Tech Xtreme/104 User’s Manual
Revision 0.05
17
Connectors/Pinouts
Table 3: HD1/HD2; P1/P2 - 40 pin port header pinouts
Port No.
Pin No.
RS-232
Direction
RS-422/485
Direction
1 or 5
1
DCD
input
RxD (+)
input
1 or 5
2
DSR
input
CTS (-)
input
1 or 5
3
RxD
input
RxD (-) input
1 or 5
4
RTS
output
RTS (+)
output
1 or 5
5
TxD
output
TxD (+)
output
1 or 5
6
CTS
input
CTS (+)
input
1 or 5
7
DTR
output
TxD (-)
output
1 or 5
8
RI
input
RTS (-)
output
1 or 5
9
SG
signal gnd.
SR
signal reference
1 or 5
10
N/C
N/C
N/C
N/C
2 or 6
11
DCD
input
RxD (+)
input
2 or 6
12
DSR
input
CTS (-)
input
2 or 6
13
RxD
input
RxD (-) input
2 or 6
14
RTS
output
RTS (+)
output
2 or 6
15
TxD
output
TxD (+)
output
2 or 6
16
CTS
input
CTS (+)
input
2 or 6
17
DTR
output
TxD (-)
output
2 or 6
18
RI
input
RTS (-)
output
2 or 6
19
SG
signal gnd.
SR
signal reference
2 or 6
20
N/C
N/C
N/C
N/C
3 or 7
21
DCD
input
RxD (+)
input
3 or 7
22
DSR
input
CTS (-)
input
3 or 7
23
RxD
input
RxD (-) input
3 or 7
24
RTS
output
RTS (+)
output
3 or 7
25
TxD
output
TxD (+)
output
3 or 7
26
CTS
input
CTS (+)
input
3 or 7
27
DTR
output
TxD (-)
output
3 or 7
28
RI
input
RTS (-)
output
3 or 7
29
SG
signal gnd.
SR
signal reference
3 or 7
30
N/C
N/C
N/C
N/C
4 or 8
31
DCD
input
RxD (+)
input
4 or 8
32
DSR
input
CTS (-)
input
4 or 8
33
RxD
input
RxD (-) input
4 or 8
34
RTS
output
RTS (+)
output
4 or 8
35
TxD
output
TxD (+)
output
4 or 8
36
CTS
input
CTS (+)
input
4 or 8
37
DTR
output
TxD (-)
output
4 or 8
38
RI
input
RTS (-)
output
4 or 8
39
SG
signal gnd.
SR
signal reference
4 or 8
40
N/C
N/C
N/C
N/C
4
6
8
10
9
7
5
3
Printed circuit board
2
1
14
16
18
20
19
17
15
13
12
11
24
26
28
30
29
27
25
23
22
21
34
36
38
40
39
37
35
33
32
31
View facing 40 pin connector
