Moxa Technologies C104H/PCI Series Manual do Utilizador descarregar pdf (Página 49)

Smartio C104H/PCI Series User’s Manual 5-1

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This chapter will illustrate the possible connections and cable wiring for C104H/PCI

Series board.

In serial data communications, the term DTE is Data Terminal Equipment, such as

PC COM1/2, serial printers and terminals. The term DCE is Data Communication

Equipment, like modems.

RS-232 Cable Wiring

The followings are pin assignments for two connection cables for C104H/PCI Series

board:

C104H/PCI DB25 Male (Opt4C)

2 TxD

3 RxD

4 RTS

5 CTS

6 DSR

7 GND

8 DCD

20 DTR

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Moxa Technologies C104H/PCI Series Manual do Utilizador Página 49