Computer Hardware User Manual

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 [phone]
B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph [phone] – Fax [phone]
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 - TXD
2 - RXD
4 - DTR
6 - DSR
7 - RTS
8 -CTS
1 - DCD
9 - RI
5 - GND
RS232 - NULL MODEM PINOUT
3 - TXD
2 - RXD
4 - DTR
6 - DSR
7 - RTS
8 -CTS
1 - DCD
9 - RI
5 - GND
COM Port IoBase IRQ
1 3F8 4
2 2F8 3
3 3E8 4
4 2E8 3