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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) : Electronics
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3ft (0.9m) Serial RS232 DB9 Null Modem Cable with Low Profile Connectors M/M - In-Wall CMG-Rated | Serial RS232 | Computer Cables | USB and PC
Tripp Lite 10ft Null Modem Serial RS232 Cable Adapter DB9 F/F 10' - null modem cable - DB-9 to DB-9 - 10 ft - P450-010 - Serial Cables - CDW.com
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