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PCL-746+, 4-port RS-232/RS-422/RS-485 Interface Card

€ 274,04 incl VAT
€ 221,00 excl VAT

Available on backorder


The PCL-746+ is a four-port serial communication interface card. The main feature of this card is that each port can be configured individually to either RS-232, RS-422, or RS-485 using on-board jumpers. The card uses 16C550 UARTs and improved interrupt handling for reliable operation at transmission speeds of up to 115.2 Kbps. This PCL-746+ supports two operating modes: standard mode and enhanced mode. In standard mode, each of the four ports can be set up as either the address or the IRQ channel individually. In enhanced mode, all four ports can be set to share the same IRQ. When an onboard interrupt occurs, the interrupt status register indicates which port has generated it. The shared interrupt can be set to most common (extended) AT interrupts. This simplifies programming, speeds up interrupt processing, and frees up interrupts for other devices.

Weight 60 kg


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