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14 com1 and com2 – BECKHOFF CB4055 User Manual

Page 32

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Chapter: Connectors

COM1 and COM2

page 32

Beckhoff New Automation Technology CB4055

3.14 COM1 and COM2

The serial interfaces COM1 and COM2 are provided via a 2x5pin connector (FCI 98424-G52-10LF,
mating connector e.g. FCI 90311-010LF).


Description

Name

Pin

Name

Description

data carrier detect

DCD

1

6

DSR

data set ready

receive data

RXD

2

7

RTS

request to send

transmit data

TXD

3

8

CTS

clear to send

data terminal ready

DTR

4

9

RI

ring indicator

ground

GND

5

10

VCC

5 volt supply