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Pin assignments for i/o connectors, Usb connector, Serial connector – Dell Latitude C840 User Manual

Page 24: Parallel connector

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Pin Assignments for I/O Connectors

Dell™ Latitude™ C840 Service Manual

USB Connector

 

 

Serial Connector

 

 

Parallel Connector

 

 

Pin

Signal

1

VCC

2

-Data

3

+Data

4

Ground

Pin

Signal

Pin

Signal

1

DCD

6

DSR

2

RXDA

7

RTS

3

TXDA

8

CTS

4

DTR

9

RI

5

GND

 

 

Pin

Signal

Pin

Signal

1

STRB#

11

BUSY