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Automatic Four Port PCI RS-422/485 Interface


Automatic Four Port PCI RS-422/485 Interface | OMG-ULTRACOMM422-PCI Series

Automatic Four Port PCI RS-422/485 Interface


  • Four Port RS422/485 Interface
  • Onboard RS485 Auto Enable Circuit
  • Each Port Designed to Maximize Windows XP/Vista/7 Communications
  • 16550 Buffered UART std/Full Array of Advanced UARTS Available
  • Supports Standard PC Data Rates and ''Quad'' Data Rates up to 460.8K bps
  • Supports all PCI Interrupts
  • Onboard Interrupt Status Port Provides Efficient Interrupt Sharing
  • Compatible Windows XP/Vista/7 and Other Operating Systems
  • Windows Advanced COM: Drivers, and Help Files are Included to Simplify Installation
Plug-in Cards - View related products


The OMG-ULTRACOMM422-PCI provides four PCI bus RS422/485 Async links for data collection and other devices. In RS485 mode, our auto enable feature enables the RS485 line driver during character transmission and disables it afterward allowing the standard COM: driver to be utilized. The onboard interrupt status port provides maximum Windows flexibility. The OMG-ULTRACOMM422-PCI includes the 16550 UART, providing a 16 byte FIFO to keep your datacom applications running error free.

WIN XP/Vista/7 drivers are included as well as support for Linux. The drivers provide IRQ sharing, advanced UART support and serial diagnostic utilities.

Communications Chip: 16550
Number of Ports: Four RS422/485
Max Data Rate: 460.8K bps
Max Data Distance: Up to 1219.2 m (4000')
Operating Temperature: 0 to 50°C (0 to 122°F)
Storage Temperature: -20 to 70°C (-4 to 158°F)
Humidity Range: 10 to 90 %RH
Current Specifications: +5 V @ 620 mA
Connector(s): DB-37 to (4) DB-9P
Cable Length: 91.44 cm (36")
Physical Dimensions: 13.21 L x 10.67 H cm (5.2 x 4.2")
Place Order(Specify Model Number)
Part Number/ Desc.
Quick Ship
Availability: 7 weeks
Four port RS-485/422 interface (DB-9 cable included)
Quick Ship
Availability: 7 weeks
Four port RS-485/422 interface w/16650 UART upgrade
Quick Ship
Availability: 7 weeks
Four port RS-485/422 interface w/16750 UART upgrade
All amounts shown in EUR, GBP, or USD
Note: Comes with complete operator’s manual and serial utility disk.
Ordering Example: (1) OMG-ULTRACOMM422-PCI Four port RS422/485 interface (DB-9 cable included), £298.00