User`s manual

5-2 Smartio C104H/HS User’s Manual
Type 1: To connect Smartio C104 Series to a DTE device.
PC COM2 port, Serial Printer,
Terminal, or any DTE Device
Opt 4C
Null Modem Cable
Smartio C104 DTE Device
DB25 Male DB25 Male
TxD 2 2 TxD
RxD 3 3 RxD
RTS 4 4 RTS
CTS 5 5 CTS
DSR 6 6 DSR
DTR 20 20 DTR
GND 7 7 GND
DCD 8 8 DCD
PC COM2 port, Serial Printer,
Terminal, or any DTE Device
Opt 4D
Smartio C104 DTE Device
DB9 Male DB25 Male
RxD 2 2 TxD
TxD 3 3 RxD
CTS 8 4 RTS
RTS 7 5 CTS
DTR 4 6 DSR
DSR 6 20 DTR
GND 5 7 GND
DCD 1 8 DCD