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Chapter: Connectors Serial Interface COM 1

page 34 Beckhoff New Automation Technology CB3063

4.14 Serial Interface COM 1

The serial interface COM1 is made available via a 2x5pin connector (FCI 98424-G52-10LF, mating

connector FCI 90311-010LF). Signals default to RS232 level.

The port address and the interrupt are set via the BIOS setup.

Pinout COM connector:

Description

Name

Description

data carrier detect

DCD

DSR

data set ready

receive data

RXD

RTS

request to send

transmit data

TXD

CTS

clear to send

data terminal ready

DTR

ring indicator

ground

GND

VCC

5 volt supply

When the module is ordered in standard configuration, the 2x5pin connector offers mouse and keyboard

signals.

Alternative pinout of COM-connector:

Description

Name

Description

keyboard clock

KCLK

MCLK

mouse clock

keyboard data

KDAT

MDAT

mouse data

reserved

N/C

reserved

N/C

reserved

ground

GND

3.3V

3.3 volt supply

NOTE

The CB3063 provides a further serial interface (COM2). However, this interface is only available for

internal communication between powercontroller and Super I/O chip, e.g. for monitoring or controlling

options.

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