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The PCI2S4851050 2-Port PCI Serial Adapter Card (RS422/RS485) with 161050 UART adds two DB9 RS422/RS485 serial ports, using a single PCI expansion slot.
The PCI serial card offers a high performance 16C1050 UART and supports both 2-wire and 4-wire RS485 modes. The card delivers an efficient single-chip design and a large 256-byte transit/receive FIFO buffer that work together to provide high-speed serial communication while reducing the overall load on the system CPU.
With the included standard and low profile/half-height brackets, this PCI serial expansion card suits a broad range of system form factors, and is a perfect addition for connecting RS422/485 serial devices to a host computer. For added versatility, the RS422/RS485 adapter is able to accommodate 3.3 or 5V PCI/PCI-X slots.
Add two DB9 RS422/RS485 serial ports through a single PCI expansion slot. The PCI serial card adds two DB9 RS422/RS485 serial ports through a single PCI expansion slot. A simple jumper change allows you to select either RS422 or RS485 serial interface formats specific to your application.
High-Speed Serial Communication The PCI serial card features 16C1050 UART with 256-byte Deep FIFO and supports 2-wire and 4-wire RS485 modes. A single-chip design with much larger FIFO buffer than standard serial cards (256 byte vs. 32 or 64 byte) minimizes data loss and optimizes host efficiency.
Low profile/half-height bracket included Standard and low profile/half-height bracket are included to ensure easy installation into almost any system.
This review is from: StarTech 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART Model PCI2S4851050
Pros: Had 2 ports and was for PCI bus
Cons: Every print job I sent had a framing error on the second data byte. Used the On board RS232 and it worked every time. Used a different brand card and it worked every time.
Other Thoughts: I would not recommend this product for anyone.
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