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Syba USB to 9-pin RS-232 Serial Adapter

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Aten UC232A 1 Foot USB to DB9 Serial Adapter Cable for PC & Mac

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MonoPrice 3726 3 Foot USB A Male to Serial DB9M Convert Cable

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Syba SY-ADA15044 USB to Serial (DB-9) RS-232 Adapter

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C2G 26886 1.5 Foot USB to DB9 Serial Data Adapter (Silver/Blue)

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TRENDnet TU-S9 26-inch USB to RS-232 Adapter Cable

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StarTech USB to DB9 Null Modem Serial Port Adapter Cable

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Link Depot USB-DB9 USB (Type B) to DB9 (Serial) Adapter

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Hawking HUC232S USB to Serial Adapter

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