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Amazon.com: StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) : Industrial & Scientific
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StarTech.com StarTech.com Null-Modem Serial Cable - Extend your EGA monitor cable or mouse cable by 6ft - 6ft rs232 cable - 6ft db9 cable - 6ft db9 serial cable -6ft straight through
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CP2102 ZT232 Chipset Null Modem Serial RS232 Cable USB to RS232 DB9 Female Adapter Cross Wired Cable|Computer Cables & Connectors| - AliExpress
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