User's Manual

EIA-232 Cabling Diagrams
194 IOLAN DS1/TS2 User’s Guide, Version 3.4
DB9 Male
IOLAN DS1
DB9 Male
Modem DB25
(DCE)
1 (DCD) 8 (DCD)
2 (RxD) 3 (TxD)
3 (TxD) 2 (RxD)
4 (DTR) 20 (DTR)
5 (GND) 7 (GND)
6 (DSR) 6 (DSR)
7 (RTS) 4 (CTS)
8 (CTS) 5 (RTS)