Slimline Null Modem Adapter, DB9 Male / Female
By L-com (DMA060MF)
MCM Part #831-3517
Convert your existing straight wired cables to null modem or reverser (transmit & receive) cables with these handy, inexpensive adapters. Simply plug these adapters onto the end of a cable and you're done! The low profile design reduces leverage strain on over-stressed computer ports and is fully shielded for electrically noisy environments.