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ADVANTECH
Product
Product Information

PCL-743B (ADVANTECH)

Brand:
ADVANTECH
Part Number/ Model Number:
PCL-743B
Lead Time:
AVAILABLE
Quantity in Stock:
AVAILABLE
Description

Advantech PCL-743 2-port RS-422/485 Communication Card | ISA Bus Serial Interface Card

For Resellers and High Volume Orders:
Please request a quote to obtain preferred pricing.

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ADVANTECH PCL-743B
Introduction
The PCL-743/745 series cards provides two RS-422/485 serial ports. Each port utilizes a 16C550 UART with an on-chip 16-byte FIFO buffer for reliable, high-speed serial I/O. The UART buffer divides data into 16-byte packets before sending them onto the bus. This drastically reduces the CPU load and avoids data loss due to failure to respond to the interrupt request in time. The UART is especially useful for high speed serial I/O under Windows. The PCL-745B/745S card differs from the PCL-743B/743S card in that the former uses onboard optical isolators to protect your PC and equipment against damages from ground loops, increasing system reliability in harsh environments. To further increase reliability, the PCL-743S/745S offers surge protection technology, protecting your system from abrupt high voltage surges (up to 2500 V) such as those caused by lightning.
Features

  • 16C550 UARTs with on-chip 16-byte FIFO

  • Automatic RS-485 data flow control or RTS control

  • I/O address and interrupt selectable

  • Provides 2500 VDC surge protection (PCL-743S/745S)

  • Provides 3000 VDC isolation (PCL-745B/745S)

  • Space reserved for optional surge protection on data lines (PCL-743B/745B)

  • Supports 2 wire or 4 wire operation

  • Supports standard DOS COM1, COM2, COM3, and COM4

  • Supports Tx, Rx, RTS, and CTS signals

  • Supports Windows 95/98/NT/ME/2000/XP, Linux (ICOM utility), DOS

  • Termination resistors jumper enable/disable

  • Transmission speeds up to 921.6 Kbps

  • Two independent RS-422/485 serial ports

  • Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15

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