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Four Port Automatic ISA RS422/485 Interface


Four Port Automatic ISA RS422/485 Interface | OMG-ULTRA-COMM422

Four Port Automatic ISA RS422/485 Interface

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  • Automatic Control of RS-485 Driver Enable
  • Selectable Address Including COM1: - COM4: and Other I/O Addresses or 32 Consecutive I/O Locations
  • Selectable and Sharable IRQ Level (2-5, 7, 10-12, and 15)
  • On Board Interrupt Status Port for Greater Throughput
  • Compatible with Existing Communication Drivers
  • Data Rates Supported up to 460K bps
  • Selectable Termination, Echo Mode, Two or Four Wire Operation
  • DB-9P Connectors Providing TD, RD, RTS and CTS
  • Includes Windows Advanced COM: Drivers and Help Files to Simplify Installation
Data Acquisition Plug-in Cards - View related products


The OMG-ULTRA-COMM422 provides the PC with four RS485/422 Asynchronous links to data collection or other devices. Windows XP/Vista/7 drivers are included. The drivers provide IRQ sharing, advanced UART support and serial diagnostic utilities.

Communications Chip: 16550 UART
Number of Ports: Four RS422/485
Max Data Rate: 460K bps
Max Data Distance: Up to 1524 m (5000')
RS485 Operation: Two or four wire
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: +5V @ 600 mA
Connector(s): Onboard DB–37S to (4) DB–9P
Dimensions: 18.54 L x 10.67 cm H (7.3 x 4.2")
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Four port automatic RS-422/485 interface (spider cable included)
All prices on this site are shown in Singapore Dollars.
Note: Comes with complete operator’s manual and serial utility disk.
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