Cost-effective way of converting a straight through cable into a null modem cableThis Null Modem Adapter features two DB9 male connectors - a cost-saving way to convert a straight through cable into a null modem cable.The DB9M Null modem cable adapter is backed by lifetime warranty and free lifetime technical support.The StarTech.com Advantage
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StarTech.com NM9MM StarTech.com NM9MM cable gender changer DB-9 White