StarTech.com DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9-Pin RS232 Null Modem Cable, 2-Meter, Black (SCNM9FF2MBK): Cables: Amazon .com.au
Amazon.com: Null Modem Cable, DB9 Female to DB25 Male Serial Cable, UL Rated, 8 Conductor, Beige, DB9 Female to DB25 Male Serial Null Modem Cable, 6 Feet, CableWholesale : Electronics
Amazon.com: Mini Null Modem Adapter, DB9 Male to DB9 Female : Electronics
Null modem - Wikipedia
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black, SCNM9FM2MBK : Electronics - Amazon.com
Amazon.com: StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black, SCNM9FM2MBK : Electronics
StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) : Electronics
Amazon.com: Null Modem Cable, DB9 Female to DB25 Male Serial Cable, UL Rated, 8 Conductor, Beige, DB9 Female to DB25 Male Serial Null Modem Cable, 6 Feet, CableWholesale : Electronics
Amazon.com: SF Cable, 6 ft DB9 F/F Null Modem Cable RS232 : Electronics
Amazon.com: SF Cable, 6 ft DB9 F/F Null Modem Cable RS232 : Electronics
Your Cable Store Serial Port 9 Pin Null Modem Adapter DB9 Male / Female RS232 5 Pack : Electronics - Amazon.com
Amazon.com: Kentek 25 Feet FT DB9 Null Modem Serial Cable Cord Extension 28 AWG RS-232 Crossover 9 Pin Male to Female M/F Molded D-Sub Port for PC Mac Linux Printer Data :
Amazon.com: DB9 Male / DB9 Female Null Modem Mini Adapter : Electronics