Our line of null modem serial cables allows two DTE or DCE devices to communicate with no conflict in data transmission. Frankie J The One Album Zip on this page. The transmit and receive signals are crossed to ensure proper data transmission.

Connect an external modem to the PC's DB9 serial port. 3ft DB9 Female to DB25 Male RS232 Modem Cable Connect an external modem to the PC's DB9 serial port. Serial (RS232) null modem cable (DB9-DB25). Pinout and signals for building a serial (RS232) nullmodem cable.

Each null modem cable is designed with a rugged, overmolded construction that provides added strain relief and a solid connection each time. Plus the cable is foil shielded for EMI/RFI protection from surrounding office equipment and flourescent lights. Thumbscrew connectors provide a fast, easy connection every time.