8. RocketPort 550 Cable Types
RocketPort 550 4 Quad
RocketPort 550 4 RJ45
RocketPort 550 8 OCTA
RocketPort 550 8 RJ11
RocketPort 550 8 Port (with dedicated interface box)
RocketPort 550 16 Port (with dedicated interface box)
RocketPort 550 4 Quad Cable - 37 way D type fan out to 4 DB25 Male
DB37 p in | DB25 pin | RS232 Signal/Port |
35 | 2 | TxD Port 0 |
34 | 3 | RxD Port 0 |
16 | 4 | RTS Port 0 |
17 | 5 | CTS Port 0 |
15 | 6 | DSR Port 0 |
37 | 7 | Signal Gnd Port 0 |
33 | 8 | DCD Port 0 |
36 | 20 | DTR Port 0 |
18 | 22 | RI Port 0 |
|
|
|
12 | 2 | TxD Port 1 |
11 | 3 | RxD Port 1 |
30 | 4 | RTS Port 1 |
31 | 5 | CTS Port 1 |
29 | 6 | DSR Port 1 |
14 | 7 | Signal Gnd Port 1 |
10 | 8 | DCD Port 1 |
13 | 20 | DTR Port 1 |
32 | 22 | RI Port 1 |
DB37 pin | DB25 pin | RS232 Signal/Port |
26 | 2 | TxD Port 2 |
25 | 3 | RxD Port 2 |
7 | 4 | RTS Port 2 |
8 | 5 | CTS Port 2 |
6 | 6 | DSR Port 2 |
28 | 7 | Signal Gnd Port 2 |
24 | 8 | DCD Port 2 |
27 | 20 | DTR Port 2 |
9 | 22 | RI Port 2 |
|
|
|
3 | 2 | TxD Port 3 |
2 | 3 | RxD Port 3 |
21 | 4 | RTS Port 3 |
22 | 5 | CTS Port 3 |
20 | 6 | DSR Port 3 |
5 | 7 | Signal Gnd Port 3 |
1 | 8 | DCD Port 3 |
4 | 20 | DTR Port 3 |
23 | 22 | RI Port 3 |
Pin 19 of the 37 way connector is not used
Pins 1, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 24 and 25 of each 25 way connector are not used.
The cable shields and connector metal bodies should be connected.
19 
1
37
20
14