Sabrent USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable with thumbscrews connectors (CB-FTDI) Type: USB 2.0 Color: Black Connector Number: 2 Connector Detail: Connector on First End: 1 x Type A Male USB 2.0 USB Connector on Second End: 1 x 9-pin DB-9 Male RS-232 Serial Conductor: Copper Conductor