User manual

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