7DEOH3LQ%￿￿￿6LJQDO3LQ$VVLJQPHQWV,￿2 IRU'HILQLWLRQWKH6HULDO3RUW&RQQHFWRUV

1

DCD

I

Data carrier detect

2

SIN

I

Serial input

3

SOUT

O

Serial output

4

DTR

O

Data terminal ready

5

GND

N/A

Signal ground

3DUDOOHOShell

3RUWN/A&RQQHFWRUN/A

Chassis ground

6

DSR

I

Data set ready

7

RTS

O

Request to send

8

CTS

I

Clear to send

9

RI

I

Ring indicator

 

 

 

 

If you reconfigure your hardware, you may need pin number and signal information for the parallel port connector. Figure B-4 illustrates the pin numbers for the parallel port connector, and Table B-4 lists and defines the pin assignments and interface signals

)LJXUHfor the parallel%￿￿￿port3LQconnector1XPEHUV. IRUWKH3DUDOOHO3RUW&RQQHFWRU

131

2514

Hardware Configuration Features B-9

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