Chapter 4: Appendix B – Connectors/Pinouts
4-3
Echo
User's Manual, ver. 0.00
Table 6:
Echo DB-78 pinouts
Pin
No.
Port
No.
RS-232
Signal
RS-485
Signal
1 5 RTS RTS
A(-)
2 5 CTS RTS
B(+)
3 5 Reserved
CTS
A(-)
4 5 Reserved
CTS
B(+)
5 5 SG
SR
6 6 RTS RTS
A(-)
7 6 CTS RTS
B(+)
8 6 Reserved
CTS
A(-)
9 6
CTS
B(+)
10 7 RTS
RTS
A(-)
11 7 CTS
RTS
B(+)
12 7 Reserved
CTS
A(-)
13 7 Reserved
CTS
B(+)
14 7 SG
SR
15 8 RTS
RTS
A(-)
16 8 CTS
RTS
B(+)
17 8 Reserved
CTS
A(-)
18 8
CTS
B(+)
19
20
21 5 TxD
TxD
A(-)
22 5 RxD
TxD
B(+)
23 5 DTR
RxD
A(-)
24 5 DCD RxD
B(+)
25 6 SG
SR
26 6 TxD
TxD
A(-)
27 6 RxD
TxD
B(+)
28 6 DTR
RxD
A(-)
29 6 DCD RxD
B(+)
30 7 TxD
TxD
A(-)
31 7 RxD
TxD
B(+)
32 7 DTR
RxD
A(-)
33 7 DCD RxD
B(+)
34
35 8 TxD
TxD
A(-)
36 8 RxD
TxD
B(+)
37 8 DTR
RxD
A(-)
38 8 DCD RxD
B(+)
39 8 SG
SR