Amazon.com: UTEK UT-202 Port-Powered RS-232 to RS-422 Mini-Size : Electronics
Opto-Isolated RS232 to RS422 Converter (Industrial / Port-Powered) – CommFront
USB-4COMi-M | TITAN Electronics Inc.
4-port USB-to-Serial RS-422/485 Hub at Cables N More
AMC321 - AMC 16 Port RS-422/485 Serial Adapter
Rugged Industrial 8-Port Terminal Block RS232/422/485 to USB Adapter
Ethernet to 8-Port RS-422, RS-485 Serial Server Kit - Sealevel
Delock Products 87729 Delock Serial Switch RS-232 / RS-422 / RS-485 2-port manual
M.2-COM-4SM Family of Four and Two-Port Multi-Protocol RS-232/422/485 M.2 Cards - ACCES I/O Products
2-Port USB to RS-422/485 Serial Adapter
US-324 - Brainboxes
16-Port RS-422 485 USB-to-Serial Adapter - Coolgear
PCIe 8-Port RS-232, RS-422, RS-485 Serial Interface (Legacy) - Sealevel
Ethernet to 16-Port RS-422, RS-485 Serial Server - Sealevel
4-Port RS-422 / 485 USB to Serial Adapter - Coolgear
2-Port USB to RS-422/485 Serial Adapter
1-Port High-Speed Serial PCI Card - LAVA Ports
10/100M to 2-Port RS-232/485/422 Serial Device Server
Fastcom: 422/2-PCI-335 Async RS422 & RS485 Serial Com Card
Single Port USB 2.0 to RS-422 / RS-485 DB-9 Serial Adapter - Coolgear
Industrial RS-232 to RS-422 Converter with Terminal Block
RS232 to 422/485 Serial Converter w/ ESD - Serial Cards & Adapters | StarTech.com
RS232/422/485 Universal Device Servers | Serial to Ethernet
IMG-2400T Industrial 4-Port RS232/422/485 Modbus Gateway - Planet Technology USA
