INSTALLATION-PERIPHERALS

SECTION lOO-816207

MARCH1993

TOSHIBA LAPTOP OR IBM AT-TYPE PDIU-DI
PERSONAL COMPUTER (DTE) (FUNCTIONS LIKE A DCE)
PIN DESIGNATIONS PIN DESIGNATIONS
COM PORT PDIU-DI
PIN # 123456789 PIN# 1 2 3 4 5 6 7 8 20 22
NAME DCD RD TD DTR SG DSR RTS CTS RI NAME FG TD RD RTS CTS DSR SG DCD DTR RI
Rear view of asynchronous (serial)
communication interface connector (DB9) of
Toshiba laptop or IBM AT personal computer
f \
DB9
MALE
CONNECTOR \
DB25
MALE
CONNECTOR
DB9
FEMALE
CONNECTOR
Rear view of PDIU-DI DB25,
ES-232 female connector
1 I
IBM PC AT modem style (serial)
DB25 to DB9, FE-232 cable.
Pin to pin connections are
confiqured as a straight cable,
not as a null modem cable
(50 f-l max, 24AWG;
customer-supplied).
NOTES:
1. Some W-232 E/A leads may be called by other names by some manufacturers.
2. The computer receives data on Pin 2 (RD) and sends data on Pin 3 (TO).

FIGURE 7-25

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

7-42