Comtrol RocketPort 550 uPCI Linux User Manual
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RocketPort 550 Universal 4 MINI Cable - 44 way HD type fan out to 4 DB9 Male
DB44 pin
DB9 pin
RS232 Signal/Port DB44 pin DB9 pin RS232 Signal/Port
2
3
TxD Port 0
25
3
TxD Port 2
17
2
RxD Port 0
39
2
RxD Port 2
32
7
RTS Port 0
9
7
RTS Port 2
18
8
CTS Port 0
40
8
CTS Port 2
1
6
DSR Port 0
24
6
DSR Port 2
19
5
Signal Gnd Port 0
41
5
Signal Gnd Port 2
31
1
DCD Port 0
8
1
DCD Port 2
33
4
DTR Port 0
10
4
DTR Port 2
3
9
RI Port 0
26
9
RI Port 2
36
3
TxD Port 1
13
3
TxD Port 3
5
2
RxD Port 1
28
2
RxD Port 3
21
7
RTS Port 1
43
7
RTS Port 3
6
8
CTS Port 1
29
8
CTS Port 3
35
6
DSR Port 1
12
6
DSR Port 3
7
5
Signal Gnd Port 1
30
5
Signal Gnd Port 3
20
1
DCD Port 1
42
1
DCD Port 3
22
4
DTR Port 1
44
4
DTR Port 3
37
9
RI Port 1
14
9
RI Port 3