6 ft DB25 to DB9 Serial Modem Cable M/F - DB9 Cables & DB25 Cables | Cables | StarTech.com
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