PEP Modular Computers Modular Computers RS485 - Page 291

SMART I/O User’s Manual
©1996 PEP Modular Computers GmbHMarch 12, 1996 Page 6 - 9
Chapter 6 Communications Modules
6
Connection
TxD
RxD
DTR
CTS
GND
Interface
DTR
MAX232A
RxD
GND
Vcc
TxD
CTS
Connector
User InterfaceSystem Interface