StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - Null modem cable - DB-9 (F) - DB-25 (M) - 10 ftThe SCNM925FM 10ft Cross Wired Serial Null Modem Cable features one DB9 female and one DB25 male connector, allowing you to connect a 9 pin serial device to a 25 pin serial port, or transfer files from PC to PC via a serial connection. Designed to provide a reliable, long lasting connection, this serial null modem cable is backed by StarTech. com's lifetime warranty. High quality shielding prevents EMI interference Molded connectors with strain relief