Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics
Amazon.com: DTech RS232 to RS485 Converter Serial Communication Data Adapter with TX RX LED Indicators and Terminal Board : Electronics
Amazon.com: GODSHARK PCIe Serial Expansion Card, 2 Port PCI Express 1.0 x 1 to Industrial DB9 COM RS232 Converter Adapter Controller for Desktop PC (Will Also Work on PCI-E x4, x8, x16
Amazon.com: CERRXIAN RS232 to Ethernet Serial Device Server, 1 Port RS 232 DB9 Serial to Ethernet TCP IP Device Server Converter : Electronics
Amazon.com: NOYITO TTL to RS232 Module TTL RS232 Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Female) : Electronics
Amazon.com: USRIOT USR-TCP232-410S Serial Ethernet Converter Terminal Power Supply RS232 RS485 to TCP/IP Converter Serial Ethernet Serial Device Server : Electronics
Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics
Digilent Pmod RS232: Serial Converter and Interface Standard: Amazon.com: Industrial & Scientific
Amazon.com: Serial RS232 RS485 to WiFi 802.11 b/g/n and Ethernet Converter(Upgrading Version of USR-WIFI232-610) : Electronics
Amazon.com: COMMFRONT Industrial RS232 to TTL Converter, Port-Powered, 600W Surge Protection and 15kV Static Protection : Electronics
Amazon.com: DaFuRui RS232 to TTL Converter Module，5PCS MAX3232 3.3V to 5V RS2323 COM Serial Prot Board to TTL Connector for Arduino Microcontrollers : Electronics
Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server (USR-W610)
Amazon.com: HiLetgo 5pcs RS232 to TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE : Electronics
Amazon.com: USB to RS232 / RS485 / TTL (UART) Industrial Isolated Converter with Original FT232RL Inside Aluminium Alloy Enclosure Power/ADI Magnetical Isolation,TVS Diode : Electronics
Amazon.com: Ultra Compact RS232 to TTL Converter with Female DB9 (3.3V to 5V) : Electronics
Amazon.com: Gearmo 16in. USB 2.0 to RS-232 Serial Converter w/LED Indicators & FTDI : Electronics
Amazon.com: Ultra Compact RS232 to TTL Converter with Female DB9 (3.3V to 5V) : Electronics
Amazon.com: Ultra Compact RS232 to TTL Converter with Female DB9 (3.3V to 5V) : Electronics
Amazon.com: YIOVVOM Connector DB9 RS232 D-SUB Male Serial Adapter 9-pin Port Adapter to Terminal Connector Signal Module with case(Male Connector, DB9 5+5 with case A) : Electronics
Amazon.com: UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin with PL2303 Chipset RS-232 Converter Cable for Windows 10 8.1 8 7 XP Vista, Mac OS, Linux, 3FT : Electronics
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
Amazon.com: MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232 : Electronics
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics
Amazon.com: ANMBEST 2PCS MAX3232 3.3V to 5V DB9 Male RS232 Serial Prot to TTL Converter Module Root Connector for Arduino Raspberry Pi and Microcontrollers : Electronics
