RJ-45 DB-9
Cyclades M / F
-------- --------
3 TxD ------------ RxD 2
6 RxD ------------ TxD 3
4 Gnd ------------ Gnd 5
2 DTR --------|--- DCD 1
|--- DSR 6
7 DCD ---|-------- DTR 4
8 DSR ---|
1 RTS ------------ CTS 8
5 CTS ------------ RTS 7