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Quick, economical solution to connect laptop serial ports
Connector 1: (1) DB9 Male
Connector 2: (1) DB9 Female
Convert a serial cable into a null modem cable with this handy adapter, a 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.
C2G/Cables to Go 08075 DB9 Male to DB9 Female Serial RS232 Null Modem Adapter - B000067RW2