Connects any RS232 serial device with DTE DB9 to PC with DB9 serial port. This null modem cable also allows you to transfer files between two computers using its DB9 serial port as well as all RS232 DTE to DTE connections. Works with file transfer software that comes free with MS DOS & Windows and Laplink's software. This cable have matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1,6,8-7 / 2-3 / 3-2 / 5-5 / 7-1,6,8. (Connectors: DB9 Female to Female; Length: 6ft)Estimated ACTUAL Quantity Available: 346. Should you need more stock than our advertised quantity of 50pcs, please click the CONTACT SELLER link and let us know how many you need and we will update the TOTAL QUANTITY available.