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DTech 6ft RS232 Serial Cable Extension Male to Female 9 Pin Straight Through for Monitor, Modem, Personal Computer, Laptop, Printer, Scanner (Black) : Amazon.in: Computers & Accessories
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Amazon.com: DB9 null modem male to female slimline data transfer serial port adapter 2 Pack : Electronics
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Amazon.com: StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF : Electronics
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