MCC MIIC-203 Guia do Utilizador descarregar pdf (Página 8)

RS-232 Serial Port Connector

Interconnects

The I

C Bus Host Adapter includes three interconnections:

1. RS-232 Serial Port Connector

This connector provides connection to the serial port on the PC.

Use the #C9F25M1 cable to adapt the iPort to 9-pin serial ports.

DB-25 Serial Port Pinout

DB-25 Pin 2, Transmit Data from the Host Computer to the iPort

DB-25 Pin 3, Receive Data from the iPort to the Host Computer.

DB-25 Pin 4, Request to Send from the Host Computer to iPort.

DB-25 Pin 5, Clear to Send from the iPort to the Host Computer.

DB-25 Pin 7, Ground between Host Computer and iPort

DB-9 Serial Port Pinout

iPort implements the RS-232 interface using the following pins:

DB-9 Pin 3, Transmit Data from the Host Computer to the iPort

DB-9 Pin 2, Receive Data from the iPort to the Host Computer.

DB-9 Pin 7, Request to Send from the Host Computer to iPort.

DB-9 Pin 8, Clear to Send from the iPort to the Host Computer.

DB-9 Pin 5, Ground between Host Computer and iPort

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MCC MIIC-203 Guia do Utilizador Página 8