DB9 male to DB9 female null modem adapter converts serial cable into a null modem cable. Quick and easy fix for your DTE or DCE incompatibilities. Crossing the data transmission lines in straight-through serial cables, this adapter will connect two RS-232 serial ports. The adapter's molded design provides a solid connection while shielded against outside EMI/RFI interference.
Easy and quick solution to connect laptop serial ports
Easy and quick fix for DTE or DCE incompatibilities