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Amazon.com: PL2303TA USB RS232 to DB9 Cross Wired Rollover Null Modem Cable (Null Modem pinout: 2-TXD, 3-RXD 5-GND, 7-CTS. 8-RT) : Electronics
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Serial Rs232 Female To Female Null Modem Cable Db9 Fta Cross Connection 9 Pin Com Data Cable Converter Extension Cord - Pc Hardware Cables & Adapters - AliExpress
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