Connect your serial devices, and transfer your filesThe SCNM9FF1MBK 1m DB9 Null Modem Cable features two DB9 female connectors, allowing you to connect a serial device to a 9-pin serial port, or transfer files directly from PC to PC via a serial connection.Designed to provide a reliable, long-lasting connection, this RS232 null modem cable is backed by StarTech.com's lifetime warranty.The StarTech.com Advantage