4

DTR

O

Data terminal ready

 

 

 

 

 

 

 

 

5

GND

N/A

Signal ground

 

 

 

 

 

 

 

 

6

DSR

I

Data set ready

 

 

 

 

 

 

 

 

7

RTS

O

Request to send

 

 

 

 

 

 

 

 

8

CTS

I

Clear to send

 

 

 

 

 

 

 

 

9

RI

I

Ring indicator

 

 

 

 

 

 

 

 

Shell

N/A

N/A

Chassis ground

 

 

 

 

 

 

 

 

Parallel Port Connector

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 for the parallel port connector.

Figure B-4. Pin Numbers for the Parallel Port ConnectorTable B-4. Pin Assignments for the Parallel Port Connector

Pin

Signal

I/O

Definition

 

 

 

 

 

 

 

 

1

STB#

I/O

Strobe

 

 

 

 

 

 

 

 

2

PD0

I/O

Printer data bit 0

 

 

 

 

 

 

 

 

3

PD1

I/O

Printer data bit 1

 

 

 

 

 

 

 

 

4

PD2

I/O

Printer data bit 2

 

 

 

 

 

 

 

 

5

PD3

I/O

Printer data bit 3

 

 

 

 

 

 

 

 

6

PD4

I/O

Printer data bit 4

 

 

 

 

 

 

 

 

7

PD5

I/O

Printer data bit 5

 

 

 

 

 

 

 

 

8

PD6

I/O

Printer data bit 6

 

 

 

 

 

 

 

 

9

PD7

I/O

Printer data bit 7

 

 

 

 

 

 

 

 

10

ACK#

I

Acknowledge

 

 

 

 

 

 

 

 

11

BUSY

I

Busy

 

 

 

 

 

 

 

 

12

PE

I

Paper end

 

 

 

 

 

 

 

 

13

SLCT

I

Select

 

 

 

 

 

 

 

 

14

AFD#

O

Automatic feed

 

 

 

 

 

 

 

 

15

ERR#

I

Error