Opt4D
C104H/PCI |
|
|
DB9 Male |
|
|
RxD | 2 | 2 |
TxD | 3 | 3 |
CTS | 8 | 4 |
RTS | 7 | 5 |
DTR | 4 | 6 |
DSR | 6 | 20 |
GND | 5 | 7 |
DCD | 1 | 8 |
Modem
or any DCE Device
DCE Device DB25 Female RxD
TxD
CTS
RTS
DTR
DSR
GND
DCD
Type 3: To connect C104H/PCI Series to a DTE with
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
Opt4C
PC COM2 port, Serial Printer,
Terminal, or any DTE Device
C104H/PCI |
|
| 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 |
