Lantronix UD1100001-01 UDS1100 - One Port Serial (RS232/ RS422/ RS485) To IP Ethernet Device Server - UL864, US Domestic 110VAC - Convert From RS-232,

DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac

MOXA Nport 5650-16 - 16 Ports Rackmount Serial Device Server, 10/100 Ethernet, RS-232/422/485, RJ-45 8Pin, 15KV ESD

Startech.Com 1-Port PCI Express RS232 Serial Adapter Card - Pcie RS232 Serial Host Controller Card - Pcie To Serial DB9 - 16950 UART - Low Profile

DTECH DB9 To RJ45 Serial Adapter RS232 Female To RJ-45 Female Ethernet Converter Compatible With Standard 9 Pin RS-232 Devices

SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]

Tripp Lite Keyspan High-Speed USB To Serial Adapter, PC & Mac, USB-A To DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)

Startech 4 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub, TAA (ICUSB2324I)

PUSR USR-TCP232-304 Serial RS485 To TCP/IP Ethernet Server Converter Module With Built-In Webpage DHCP/DNS Supported

A6991720 Dell 4-Ports Native RS-232 Serial PCI Express Adapter Card

Moxa Uport 1110-1 Port RS-232 USB-To-Serial Converter

Moxa MGATE MB3170-T - 1-Port Advanced Serial-To-Ethernet Modbus Gateways, RS-232/422/485 To 10/100Baset(X) Ports (RJ45 Connector), -40 To 75°C