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Amiga Serial RS232 Null Modem Adapter, AmigaStore.com - Worldwide store for Commodore Amiga hardware and software
RS232 9 Way Male to Female Null Modem Adapter Connector Serial Pin DB9 Cable | DIY at B&Q
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New Mini Null Modem DB9 Female To DB9 Male Plug Adapter Gender Changer Tt | eBay
DMA060MF L-com, D Sub Connector Adapter, Null Modem, Standard D Sub | Farnell UK
DB9 Serial Null Modem Adapter - DB9 Cables & DB25 Cables | Cables | StarTech.com United Kingdom
ICUSB232FTN - StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI - Null Modem - USB 1.1 / 2.0 - Bus-Powered (ICUSB232FTN) - serial adapter - USB 2.0 - RS-232 - Currys Business
Null Modem Cable - Martelec Website
9 Pin Serial Null Modem Adapter RS232 Male Plug to Female Socket Converter