B&B Electronics 232PCC - Manual (Page 14)

A-2 PCMCIA Card Documentation Number 232PCC0499 Manual
B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Cable Pinout Diagrams
9-pin D Connector Pin Assignments
Null Modem Cable Pinout
Com Port Information
Pin # Signal Name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Signal Pinout for 9-pin D connector
3 - T X D
2 - R X D
4 - D T R
6 - D S R
7 - R T S
8 - C T S
1 - D C D
9 - R I
5 - G N D
R S 2 3 2 - N U L L M O D E M P IN O U T
3 - T X D
2 - R X D
4 - D T R
6 - D S R
7 - R T S
8 -C T S
1 - D C D
9 - R I
5 - G N D
COM Port IoBase IRQ
1 3F8 4
2 2F8 3
3 3E8 4
4 2E8 3