FTDI Chipset Cross Wired USB Seriële DB9 FT232R USB RS232 Null Modem Kabel Pc Control TV Kabel (Standaard DB9 COM poort pinout (pc (host) met usb naar RS232 terminal apparaat (slave)) :
White RS232 Null Modem Cable Female to Female DB9 5ft 1.5m Cross connector-FW | eBay
Should I Use Null Modem or Straight Through Serial Cables? - NI