Rockwell Automation CDN366 Spécifications Page 61

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DeviceNet RS-232 Interface Module16
Publication
17705.6 - June 1996
Using the Interface Module with a Portable Computer
Some portable computers have power-saving modes that power down the serial
ports during inactive periods, occurring most often when batteries power the PC.
The serial-port power-saving feature causes the RS-232 interface module to go
of
fline and to cease communication with DeviceNet Manager
. Y
ou should
disable the serial-port power-saving feature to use the RS-232 interface module
with DeviceNet Manager
.
If you experience a problem with the RS-232 interface module going offline
unexpectedly, use the setup program of your portable computer to disable the
serial-port power-saving feature.
Connecting Cables via RS232 to a Modem
You can connect a 1770-KFD module to these standard dial-up modems:
DTE-controlled answer
auto-answer
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
1
2
3
4
5
6
7
8
9
8
3
2
20
7
6
4
5
22
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
1
2
3
4
5
6
7
8
9
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
1
2
3
4
5
6
7
8
9
female DB9
connector
male DB9
connector
DeviceNet
RS232
Interface
Modem
RS232
Port
female DB9
connector
male DB25
connector
DeviceNet
RS232
Interface
Modem
RS232
Port
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
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