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INSTALLATION-PERIPHERALS
SECTION 100-816-207
MARCH 1993
7-43
FIGURE 7-26
DK8 AND DK16 PDIU-DI TO IBM XT-TYPE COMPUTER, RS-232 CONNECTOR/CABLE CONNECTIONS
DB25
PIN #
8
3
2
20
7
6
4
5
22
1
NAME
DCD
RD
TD
DTR
SG
DSR
RTS
CTS
RI
FG
DB25
PIN #
8
3
2
20
7
6
4
5
22
1
12345678
2022
12345678
2022
Rear view of personal computer
or ASCII terminal DB25,
RS-232 connector
Rear view of PDIU-DI DB25,
RS-232 female connector
IBM XT PERSONAL COMPUTER
OR ASCII TERMINAL
(FUNCTIONS LIKE A DTE)
PDIU-DI
(FUNCTIONS LIKE A DCE)
NOTE:
The PC/ASCII terminal receives
data on Pin 3 (RD) and transmits
data on Pin 2 (TD).
DB25 PIN DESIGNATIONS
PDIU-DI
PIN #
NAME
1
FG
3
RD
4
RTS
5
CTS
6
DSR
7
SG
8
DCD
20
DTR
22
RI
DB25 PIN DESIGNATIONS
2
TD
PDIU-DI
PIN #
NAME
1
FG
3
RD
4
RTS
5
CTS
6
DSR
7
SG
8
DCD
20
DTR
22
RI
2
TD
12345 6 78
20 22
DB25 FEMALE
CONNECTOR
DB25 MALE
CONNECTOR
20 22
12345 6 78
RS-232 CABLE
DB25 FEMALE
CONNECTOR
DB25 MALE
CONNECTOR
IBM PC XT modem style (serial)
DB25 to DB25 (M/F) RS-232
cable (50 ft max, 24 AWG,
customer-supplied).