Toshiba STRATA DK14 Installation And Maintenance Manual page 559

Personal Computer or
Toshiba Portable (DTE)
Pin Designations
COM Port
Pin # 1 2 3
Name DCD RD TD
Rear view of asynchronous (serial)
communication interface connector (DB9)
of PC or Toshiba Portable.
1 2 3 4 5
DB9 Female
Connector
6 7 8 9
6 7 8 9
DB9 Male
Connector
1 2 3 4 5
Notes
• Some RS-232 EIA leads may be called by other names by some manufacturers.
• The computer receives data on Pin 2 (RD) and sends data on Pin 3 (TD).
Figure 12-25 RPCI-DI to 25-Pin to 9-Pin COM Port
Strata DK I&M 6/00
4 5 6 7 8 9
DTR SG DSR RTS CTS RI
DB25 Female
Connector
DB25 Male
Connector
DB9
Pin # Name
1 DCD
2 RD
3 TD
4 DTR
5 SG
6 DSR
7 RTS
8 CTS
9 RI
PC/Data Communications Interface Units
RPCI-DI or PDIU-DI
(Functions like a DCE)
Pin Designations
PDIU-DI
Pin # 1 2 3 4 5
Name FG TD RD RTS CTS
Rear view of RPCI-DI or PDIU-DI DB25,
RS-232 female connector
8 7
22 20
22 20
8 7
DB25
Pin #
8
3
2
20
7
PC modem style (serial) DB25
to DB9, RS-232 cable. Pin to
6
pin connections are
confiqured as a straight cable,
4
not as a null modem cable
(50 ft max, 24AWG; customer-
5
supplied).
22
Peripheral Installation
6 7 8 20 22
DSR SG DCD DTR RI
6 5 4 3 2 1
6 5 4 3 2 1
1527
12-51