12PT-4AI 12-channel High-precision PT100 Acquisition Module, RS232+485 Serial Port Temperature Collector Industrial Controller

StarTech 2 Port USB to RS232/422/485 Serial Adapter with COM Retention, Gray

StarTech 2 Port USB to RS232/422/485 Serial Adapter with COM Retention, Gray

StarTech 2 Port RS232/422/485 PCI Serial Adapter Card with ESD Protection

Axxon 1 Port Native PCI Express (PCI) RS232/422/485 Serial Host Adapter

Axxon Universal PCI to 4 Port RS232/422/485 Serial Adapter with Cable

Axxon 1 Port Native PCI Express (PCI) RS232/422/485 Serial Host Adapter

Axxon 1 Port RS422/485 Galvanically Isolated (Industrial) Serial Card Adapter

Axxon 2 Port EPP/ECP Parallel Port + Dual RS232 Serial PCI Express Controller Card

Axxon EPP/ECP Parallel Port + RS232 Serial PCI Express Controller Card

StarTech 2 Port RS232/422/485 PCI Serial Adapter Card with ESD Protection

StarTech 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Aten SN3101 One Port RS-232/422/485 Serial Device Server

Axxon 1 Port USB to 4 Ports RS232 Serial Adapter

Axxon PCI Express (PCIe) 2 Port RS232 Serial Card Adapter with 36" Dualplex Cable (DB25M to 2xDB9M)

Axxon 4 Port RS232 PCI Serial Card Adapter with 36" Quadplex Cable (DB37M to 4x DB25M)

Axxon 1 Port USB to 4 Ports RS232 Serial Adapter with 36" Quadplex Cable (HD44M to 4x DB9M)

StarTech 2 Port PCI Express RS232 Serial Adapter Card with 16950 UART

Axxon Native PCI Express 2 Port RS232 Serial Card Adapter

Axxon Native PCI Express (PCIe) 1 Port RS232 Serial Card Adapter with DMA

Axxon 1 Port USB to 4 Ports RS232 Serial Adapter with 36" Quadplex Cable, HD44M to 4x DB25M

StarTech 8 Port USB to RS232 Serial DB9 Adapter Hub

StarTech 4 Port RS232 Serial Over IP Ethernet Device Server

Aten UC2322 2-Port USB to Serial RS-422/485 Hub

Axxon PCI Express (PCIe) 4 Port RS232 Serial Card Adapter with 36" Quadplex Cable (HD44M to 4x DB25M)

Axxon Native PCI Express (PCIe) 4S High Speed RS232 Serial Card Adapter with DMA & 12" Cable (HD44M to 4xDB9M)

StarTech 4 Port Wall Mountable USB to DB9 RS232 Serial Adapter Hub

StarTech 4 Port RS232 Mini PCI Express Serial Card with 16650 UART, Green

Axxon PCI / PCI-X 133 MHz Dual RS232 (921kbps) Serial Port + 1 Parallel Port Adapter with 36" Cable (HD44M to 2x DB9M + DB25F)

Aten UC4852 2-Port USB to Serial RS-422/485 Hub

AKG Acoustics DMS100 4-Channel 2.4GHz Digital Wireless Instrument System, Includes PT100 Beltpack Transmitter and SR100 Stationary Receiver