Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) - Manual (Page 429)

Appendix D
Understanding the Communication Protocols
D–3
Example: DF1 Full-Duplex Connections
For information about required network connecting equipment, see chapter 3,
Connecting the System.
1761-CBL-PM02
Micro Controller
Personal Computer
Optical Isolator
➀
(recommended)
Personal Computer
Modem
Modem
Modem
Cable
1761-CBL-PM02
Micro Controller Optical Isolator
➀
(recommended)
➀ We recommend using an AIC+, catalog number 1761-NET-AIC, as your optical isolator. See page 3–8 and
3–9 for specific AIC+ cabling information.