C2G DB9 Female to DB25 Female Null Modem Adapter, 1 Pack, 1 x 9-pin DB-9 Serial Female, 1 x 25-pin DB-25 Serial Female, Beige

Crosses the data transmission lines in straight-through serial cables!. Convert your existing serial cables into null modem cables with the help of Cables To Go's Null Modem Adapter. A quick and easy fix for your DTE or DCE incompatibilities, connecting two RS-232 serial ports has never been so easy. Each cable will effectively cross the data transmission lines. With its molded design providing a solid connection, the adapter is fully shielded against outside EMI/RFI interference while giving you the flexibility to meet your connectivity needs.