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BlueStorm Installation Guide, Connect Tech Inc.
18 Revision 0.10
Table 4: HDB-78 Pinouts for BlueStorm/SP (8 Port Connector)
Pin
No.
Port
No.
RS-
232
Signal
Signal
Direction
RS-422/48
5
Signal
Signal
Direction
1 5 RTS output RTS A(-) output
2 5 CTS input RTS B(+) output
3 5 DSR input CTS A(-) input
4 5 RI input CTS B(+) input
5 5 SG signal gnd. SR signal ref.
6 6 RTS output RTS A(-) output
7 6 CTS input RTS B(+) output
8 6 DSR input CTS A(-) input
9 6 RI input CTS B(+) input
10 7 RTS output RTS A(-) output
11 7 CTS input RTS B(+) output
12 7 DSR input CTS A(-) input
13 7 RI input CTS B(+) input
14 7 SG signal gnd. SR signal ref.
15 8 RTS output RTS A(-) output
16 8 CTS input RTS B(+) output
17 8 DSR input CTS A(-) input
18 8 RI input CTS B(+) input
19 NC no connect NC no connect
20 NC no connect NC no connect
21 5 TxD output TxD A(-) output
22 5 RxD input TxD B(+) output
23 5 DTR output RxD A(-) input
24 5 DCD input RxD B(+) input
25 6 SG signal gnd. SR signal ref.
26 6 TxD output TxD A(-) output
27 6 RxD input TxD B(+) output
28 6 DTR output RxD A(-) input
29 6 DCD input RxD B(+) input
30 7 TxD output TxD A(-) output
31 7 RxD input TxD B(+) output
32 7 DTR output RxD A(-) input
33 7 DCD input RxD B(+) input
34 SG signal gnd. NC no connect
35 8 TxD output TxD A(-) output
36 8 RxD input TxD B(+) output
37 8 DTR output RxD A(-) input
38 8 DCD input RxD B(+) input
39 8 SG signal gnd. SR signal ref.
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