Moxa Technologies INTELLIO C218, User Manual

Page: 76 / 93

5-6
Intellio
C218
Turbo
/
PCI User's Manual
Type 3: To connect
Intellio
C218
Turbo
/PCI to a DTE with 3-pin wiring.
If the “ Hardware flow control ” feature is set to “ ON ”, you must loop
back (or short) the RTS with CTS and DSR with DTR, DCD on MOXA
site, indicated in dash-lines of the following diagrams. If the “
Hardware
flow control ” feature is set to “ OFF ”, you could just leave RTS, CTS,
DSR, DTR, DCD open, ignoring the connection indicated in dash-lines.
PC COM2 port, Serial Printer,
Terminal, or any DTE Device
Opt8A/S
Opt8A/S DTE Device
DB25 Female DB25 Male
RxD 2 2 TxD
TxD 3 3 RxD
GND 7 7 GND
RTS 5 4 RTS
CTS 4 5 CTS
DTR 20 6 DTR
DST 6 20 DSR
DCD 8 8 DCD
PC COM2 port, Serial Printer,
Terminal, or any DTE Device
Opt8B/C
Opt8B/C DTE Device
DB25 Male DB25 Male
TxD 2 2 TxD
RxD 3 3 RxD
GND 7 7 GND
RTS 4 4 RTS
CTS 5 5 CTS
DSR 6 6 DTR
DTR 20 20 DSR
DCD 8 8 DCD