Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM - Manual (Page 268)

Publication AG-UM008C-EN-P - February 2005
8-2 Configuring Modems
3. Connect the modem to the DTE.
For details about how to install, configure, and operate a modem, see
the modem’s user documentation.
Configuration Tips When configuring modems for communication with Allen-Bradley
devices, remember to:
•
configure the modem for asynchronous communication.
•
configure the modem’s RS-232 communication rate to match that
of the connected Allen-Bradley processor and the modem’s
transmission rate to match that of the receiving modem.
•
set the modem to transmit 10-bit characters, if applicable.
•
assign a unique address to the modem, if applicable.
Telephone Modem
Configurations Telephone modems communicate over either dial-up or leased-line
wires. When communicating with Allen-Bradley processors, configure
these modems according to:
•
the cable assignments listed here,
•
the switch and strap settings listed here,
•
your application.
For information about
this modem type By this vendor See page
Telephone Rockwell Automation 8-3
DATA-LINC GROUP 8-5
Miille Applied Research Company, Inc.
(MARC) 8-11
Radio DATA-LINC GROUP 8-23
Electronic Systems Technology (ESTeem) 8-29
Microwave Data Systems (MDS) 8-35
Power line DATA-LINC GROUP 8-39
For information about this vendor’s products See page
Rockwell Automation 8-3
DATA-LINC GROUP 8-5
Miille Applied Research Company, Inc. (MARC) 8-11