Advantech BB-MESR901 Modbus Gateway, MODBUS, 1 ETH to 1 RS-232/422/485, DC PWR

Atop GW51C-MAXI-WDT GW51C Serial to Ethernet Adapter Card RS-232 RS-422 RS-485

Advantech PCIE-1622B 8-port RS-232/422/485 Serial Port Card

Advantech BB-USOPTL4 B&B USB to RS-232/422/485 Isolated Converter New Open Box

ADVANTECH BB-VESP211-232 / BBVESP211232 (USED)

B&B SmartWorx Advantech iLinx Fiber to RS-232/422/485 Converter FOSTCDRI

Advantech PCI-1602B Rev. C1 2-Port RS-232/RS-422/RS-485 Serial Communication PCI

LOT OF 4 - Advantech V|Linx B+B SmartWorks VESP211-485/Untested