Amazon.com: DB9 null modem female to female slimline data transfer serial port adapter 2 Pack : Electronics
Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics
Amazon.com: USB to RS-232 DB9 Female 9 Pin Null Modem Rollover Serial Adapter Cable for Windows,Linux MAC OS (Null Modem) : Electronics
Amazon.com: SF Cable, DB9 F/F Null Modem Adapter : Electronics
Amazon.com: GuangMaoBo Gender Changer Null Modem DB9 Male to Male Plug Adapter Connector Cross RS232 Slimline Data Transfer (2 Pack) : Electronics
Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics
Amazon.com: Kentek Mini DB9 Female to Female F/F Serial/at Null Modem Mini Adapter Changer Coupler RS-232 Crossover Data Transfer : Electronics
Amazon.com: CablesOnline DB9 Null Modem Female to Female Slimline Data Transfer Adapter/Gender Changer, (10-Pack) (AD-N06M-10) : Electronics
Amazon.com: CablesOnline DB9 Serial Null Modem Male to Male Data Transfer Adapter/Gender Changer, (2-Pack) (AD-N05-2) : Electronics
Amazon.com: CablesOnline DB9 Null Modem Male to Female Slimline Data Transfer Adapter/Gender Changer, (10-Pack) (AD-N04M-10) : Electronics
Amazon.com: DB9 Null Modem Adapter Male to Male 2 Pack : Electronics
Amazon.com: CableWholesale Null Modem Adapter, DB25 Male to DB25 Female : Electronics