Cables To Go Model 52030 6 ft. DB9 M/F Extension Cable - Black Type: Serial (COM) Color: Black Connector Number: 2 Connector Detail: Connector on First End: 1 x 9-pin DB-9 Male RS-232 Serial, Connector on Second End: 1 x 9-pin DB-9 Female RS-232 Serial Specifications: Cable Type: Serial Cable Characteristic: Extension Cable Features: Molded Conductor: Copper Weight (Approximate): 4.80 oz