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Amazon.com: 25 Foot DB9 Male to Blunt End RS232 Extension Serial Cable - 24 AWG with Grey PVC Jacket - Made in USA by Custom Cable Connection : Electronics
TRENDnet USB to Serial 9 Pin Converter Cable Connect a RS 232 Serial Device to a USB 2.0 Port Supports Windows Mac USB 1.1 USB 2.0 USB 3.0 21 Inch Cable Length
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6ft (1.8m) Serial RS232 DB9 Cable with Low Profile Connectors F/F - In-Wall CMG-Rated | Serial RS232 | Computer Cables | USB and PC
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