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Amazon.com: StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE) : Electronics
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DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (5 - Walmart.com
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