10 Foot DB9 Female / DB25 Male Null Modem Serial Cable RS232
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Tech Stuff - RS232 Cables and Wiring
RS232 serial cable pinout information - Lammert Bies
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pinout – THUNDERDOME – the ATARI site
RS232 connector pin assignment
Null Modem vs Straight | Cable Differences | ShowMeCables.com
CEPD Tools - Serial Connectors
Serial Direct Cable Connection, DB9, DB25, COM Ports and Pinouts
Db9 (9-pin) Female To Db25 (25-pin) Male Serial Null Modem Cable - Buy Db9 (9-pin) Female To Db25 (25-pin) Male,Db25 (25-pin) Male,Db25 (25-pin) Male Serial Null Modem Cable Product on Alibaba.com
Serial (RS232) port connectors. Pinout and signals for the serial port connector
Advanced Serial Debugging Guide - AmigaOS Documentation Wiki