INSTALLATION-PERIPHERALS

 

SECTION 100-816-207

 

MARCH 1993

 

 

IBM XT PERSONAL COMPUTER

PDIU-DI

OR ASCII TERMINAL

(FUNCTIONS LIKE A DCE)

(FUNCTIONS LIKE A DTE)

 

DB25 PIN DESIGNATIONS

DB25 PIN DESIGNATIONS

PDIU-DI

1

2

3

4

5

6

7

8

20

22

PIN #

 

 

 

 

 

 

 

 

 

 

 

NAME

FG

TD

RD

RTS

CTS

DSR

SG

DCD

DTR

RI

 

 

 

 

 

 

 

 

 

 

 

PDIU-DI

1

2

3

4

5

6

7

8

20

22

PIN #

 

 

 

 

 

 

 

 

 

 

 

NAME

FG

TD

RD

RTS

CTS

DSR

SG

DCD

DTR

RI

 

 

 

 

 

 

 

 

 

 

 

Rear view of personal computer or ASCII terminal DB25, RS-232 connector

1 2 3 4 5 6 7 8

20 22

DB25 MALE CONNECTOR

Rear view of PDIU-DI DB25,

RS-232 female connectorDB25 FEMALE

CONNECTOR

 

8

7

6

5

4

3

2

1

22

20

 

 

 

 

 

 

2022

1 2 3 4 5 6 7 8

DB25 FEMALE

CONNECTOR

 

DB25

 

DB25

 

PIN #

NAME

PIN #

 

 

 

 

 

8

DCD

8

 

 

 

 

 

3

RD

3

 

 

 

 

 

2

TD

2

 

 

 

 

 

20

DTR

20

 

 

 

 

 

7

SG

7

 

 

 

 

 

6

DSR

6

 

 

 

 

 

4

RTS

4

 

 

 

 

NOTE:

5

CTS

5

 

 

 

The PC/ASCII terminal receives

 

 

 

22

RI

22

data on Pin 3 (RD) and transmits

data on Pin 2 (TD).

 

 

 

1

FG

1

 

 

 

 

 

22

20

 

 

 

 

 

 

 

8

7

6

5

4

3

2

1

DB25 MALE

CONNECTOR

RS-232 CABLE

IBM PC XT modem style (serial) DB25 to DB25 (M/F) RS-232 cable (50 ft max, 24 AWG, customer-supplied).

FIGURE 7-26

DK8 AND DK16 PDIU-DI TO IBM XT-TYPE COMPUTER, RS-232 CONNECTOR/CABLE CONNECTIONS

7-43

Page 175
Image 175
Toshiba DK8, DK 16 manual DB25 PIN Designations