CableCreation USB to Serial 10ft Long Cable , USB to RS232 Adapter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com
USB - RS232 Wandler HL-340
Large Selection of USB-RS232 adapters, Easy Installation and Setup of USB RS232 COM ports.
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
Amazon.com: StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P) : Electronics
Ion Science Tiger - USB to RS232 Converter
UART to RS232 Converter | Atlas Scientific
RS-232-Wandler, RS232-Wandler - alle Hersteller aus dem Bereich der Industrie
RS232/TTL Wandler mit MAX3232 online kaufen | Pollin.de
POF Fiber to RS232 Converter, European 2-Pin PS, Model 4137EU
USB to 9 Pin RS232 Converter | Makerfabs Electronics
RS232 auf TTL Serial Konverter / Wandler - Serielle Karten & Adapter | StarTech.com Deutschland
UART to RS232 Converter | Atlas Scientific
USB to RS232 converter
MAX3232 RS232 to TTL Serial Port Converter Module with DSUB9 Connector