Hardware Information

Release 04/02

 

 

 

Serial interface COM2 (V24/Mouse)

The serial interface (COM2) of the computing unit is assigned as follows

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1

6

Figure 7-2 Serial interface COM2 (male)

Pin No.

Short Name

Meaning

Input/Output

 

 

 

 

1

DCD (M5)

Data carrier detect

Input

 

 

 

 

2

RxD (D2)

Received data

Input

 

 

 

 

3

TxD (D1)

Transmission data

Output

 

 

 

 

4

DTR (S1)

Data terminal equipment

Output

 

 

ready

 

 

 

 

 

5

GND (E2)

Station ground

-

 

 

 

 

6

DSR (M1)

Data set ready

Input

 

 

 

 

7

RTS (S2)

Request to send

Output

 

 

 

 

8

CTS (M2)

Clear to send

Input

 

 

 

 

9

RI (M3)

Incoming call

Input

 

 

 

 

7-12

Panel PC 670 Computing Unit, Equipment Manual

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Image 144
Siemens PC 670 manual Serial interface COM2 V24/Mouse, Serial interface COM2 male