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Amazon.com: KENTEK 6 Feet FT DB9 Null Modem Female to Female Serial Cable Cord 28 AWG RS-232 Crossover 9 Pin F/F Molded D-Sub Port for DTE PC Mac Linux Data Transmission Communication :
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DTECH DB9 RS232 Straight Through Cable Serial Port Extension Female to Female Used for DTE Connection DCE Device 16 | Walmart Canada
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