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PL2303TA USB RS232 to DB9 Cross Wired Rollover Null Modem Cable (Null Modem pinout: 2-TXD, 3-RXD 5-GND, 7-CTS. 8-RT) - Walmart.com
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Amazon.com: StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black (SCNM9FM2MBK) : Electronics
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Null modem Serial cable Pinout RS-232 Serial port, Serial Cable, angle, text, rectangle png | PNGWing
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Amazon.com: USB to RS-232 DB9 Female 9 Pin Null Modem Rollover Serial Adapter Cable for Windows,Linux MAC OS (Null Modem) : Electronics
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