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USB Serial - USB 2.0 RS232 Adapter with LED Indicators
C2G 5ft USB to DB9 Serial Cable - RS232 Adapter Cable - 26887 - -
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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
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
USB to RS232 Adapter / Converter – CommFront
Plugable USB to RS-232 DB9 Serial Adapter (Prolific PL2303HX Chipset) – Plugable Technologies
Shop | StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) - serial adapter - USB 2.0 - RS-232
USB to RS232 TTL | CMOS Adapter Cable with Terminal Block - Coolgear