Toshiba STRATA DK24 Manual page 235

INSTALLATION-PERIPHERALS
SECTION 200-096-208
FEBRUARY 1991
HAYES-TYPE SMART MODEM
(FUNCTIONS LIKE A DCE)
PDIU-DS
(CONFIGURED IN THE "CONNECT TO MODEM"
MODE, PI - P9 = B-C, SO IT FUNCTIONS LIKE A DTE)
MODEM PDIU-DS
PIN# 1 2 3 4 5 6 7 8 20 22 PIN# 1 2 3 4 5 6 7 8
20 22
NAME FG TD RD FITS CTS DSR SG DCD DTR RI
NAME FG TD RD RTS CTS DSR SG DCD DTR RI
Rear view of modem DB25 connector
Rear view of PDIU-DS DB25, connector
W-232 CABLE
(50 ft max, 24 AWG;
customer supplied)
NOTES:
1. Modem receives data on pin 2 (TO) and transmits data on pin 3 (RD).
2. The PDIU-DS must be in the connect to modem mode (Pl - P9 strapped B-C) so that it transmits
data on pin 2 (TO) and receives data on pin 3 (RD).
FIGURE 8-32-PDIU-OS TO HAYES-TYPE SMART MODEM, RS-232 CONNECTOR/CABLE CONNECTIONS
8-52