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Connect Tech BlueStorm/Express User Manual
Revision 0.15 23
Table 7: HDB-78 (BBG003) Pinout
(continued)
Pin
No. Port
No. RS-232
Signal Signal
Direction RS-422/485
Signal Signal
Direction
47 2 DSR input CTS A(-) input
48 2 RI input CTS B(+) input
49 3 RTS output RTS A(-) output
50 3 CTS input RTS B(+) output
51 3 DSR input CTS A(-) input
52 3 RI input CTS B(+) input
53 3 SG signal gnd. SR signal ref.
54 4 RTS output RTS A(-) output
55 4 CTS input RTS B(+) output
56 4 DSR input CTS A(-) input
57 4 RI input CTS B(+) input
58 NC no connect NC no connect
59 NC no connect NC no connect
60 1 TxD output TxD A(-) output
61 1 RxD input TxD B(+) output
62 1 DTR output RxD A(-) input
63 1 DCD input RxD B(+) input
64 2 SG signal gnd. SR signal ref.
65 2 TxD output TxD A(-) output
66 2 RxD input TxD B(+) output
67 2 DTR output RxD A(-) input
68 2 DCD input RxD B(+) input
69 3 TxD output TxD A(-) output
70 3 RxD input TxD B(+) output
71 3 DTR output RxD A(-) input
72 3 DCD input RxD B(+) input
73 4 SG signal gnd. SR signal ref.
74 4 TxD output TxD A(-) output
75 4 RxD input TxD B(+) output
76 4 DTR output RxD A(-) input
77 4 DCD input RxD B(+) input
78 NC no connect NC no connect