Connect-tech DFlex-4/104 Manual de usuario descargar pdf (Pagina 73)

Chapter 4: Appendix G - RS-423 Options 4-23

DFlex-4/104 User's Manual, ver. 0.04

Appendix G: RS-423 Options

You may order the DFlex-4/104 adapter with RS-423 Serial Line

Interfaces Module. The RS-423 electrical interface is a reliable

high-speed serial link that offers superior noise immunity.

WARNING

You must insert Serial Line Interface Modules into all of the SLIM

sockets to attain the communications functionality of your

DFlex-4/104 adapter.

Please refer to

Figure 17

for a partial schematic of the RS-423

SLIM circuit

Figure 17

: RS-423 SLIM partial schematic

UART

RS-423 SLIM

Partial Schematic

DB9 Connector

RxD-

RTS-

CTS+

TxD-

TxD Ref

CTS-

RxD+

NET 2

NET 1

NET 1 NET 2

22K

+5V

22K

+5V

RTS Ref

Note: Note: The RS-423 Serial Line Interface Module controls

two ports, and therefore the schematic shows only a portion of the

circuit.

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Connect-tech DFlex-4/104 Manual de usuario Pagina 73