User`s manual

Chapter 5 l l Connection Cable and Cable Wiring
32
PC COM2 port, serial printer,
terminal, or any DTE device
C104 PCI
C104 PCI DTE Device
DB25 Male DB9 Male
TxD 2 2 RxD
RxD 3 3 TxD
RTS 4 8 CTS
CTS 5 7 RTS
DSR 6 4 DTR
DTR 20 6 DSR
GND 7 5 GND
DCD 8 1 DCD
Type 2: To connect Smartio C104 PCI Series to a DCE device.
Modem,
or any DCE device
C104 PCI
Straight-through cable
C104 PCI DCE Device
DB25 Male DB25 Female
TxD 2 2 RxD
RxD 3 3 TxD
RTS 4 4 CTS
CTS 5 5 RTS
DSR 6 6 DTR
DTR 20 20 DSR
GND 7 7 GND
DCD 8 8 DCD