9
RocketPort 550/RocketPort 550 Universal 8 OCTA Cable -78 way D type fan out
to 8 DB25 Male
DB78 Pin
DB25 Pin
RS232 Signal/Port
DB78 Pin
DB25 Pin
RS232 Signal/Port
30 2TxD Port 0 40 2TxD Port 4
55 3RxD Port 0 28 3RxD Port 4
51 4RTS Port 0 21 4RTS Port 4
16 5CTS Port 0 25 5CTS Port 4
54 6DSR Port 0 56DSR Port 4
71 7Signal Gnd Port 0 75 7Signal Gnd Port 4
35 8DCD Port 0 43 8DCD Port 4
49 20 DTR Port 0 22 20 DTR Port 4
36 22 RI Port 0 44 22 RI Port 4
50 2TxD Port 1 22TxD Port 5
17 3RxD Port 1 83RxD Port 5
31 4RTS Port 1 41 4RTS Port 5
53 5CTS Port 1 45CTS Port 5
34 6DSR Port 1 42 6DSR Port 5
72 7Signal Gnd Port 1 76 7Signal Gnd Port 5
33 8DCD Port 1 23 8DCD Port 5
32 20 DTR Port 1 320 DTR Port 5
15 22 RI Port 1 24 22 RI Port 5
11 2TxD Port 2 63 2TxD Port 6
37 3RxD Port 2 46 3RxD Port 6
12 4RTS Port 2 62 4RTS Port 6
59 5CTS Port 2 95CTS Port 6
58 6DSR Port 2 29 6DSR Port 6
73 7Signal Gnd Port 2 77 7Signal Gnd Port 6
39 8DCD Port 2 48 8DCD Port 6
13 20 DTR Port 2 61 20 DTR Port 6
20 22 RI Port 2 47 22 RI Port 6
10 2TxD Port 3 64 2TxD Port 7
56 3RxD Port 3 27 3RxD Port 7
14 4RTS Port 3 60 4RTS Port 7
57 5CTS Port 3 45 5CTS Port 7
38 6DSR Port 3 26 6DSR Port 7
74 7Signal Gnd Port 3 78 7Signal Gnd Port 7
18 8DCD Port 3 68DCD Port 7
52 20 DTR Port 3 120 DTR Port 7
19 22 RI Port 3 722 RI Port 7
Pin 67of the 78 way connector is not used. Pins 65, 66, 68, 69 and 70 are Signal Ground.
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.
21
40
60
