Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module - Manual (Page 38)

Publication 1747-UM005B-EN-P - March 2006
3-12 Communicate with the Interface Module
For successful modem communication be sure that:
• RSLinx software and the interface module agree on
communication rate and error checking.
• both modems have the echo disabled.
• both modems have Carrier Detect set to normal (unforced).
• both modems have DTR Dialing disabled.
• the modem to receive the call has auto answer enabled.