Main Features
RS-232, RS-422, RS-485 or current-loop interface
16C550 UART with 16-byte FIFO
Transmission speeds up to 115 Kbps
Flexible I/O address and IRQ selection
IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15

Introduction
The PCL-740 offers a versatile range of high speed interfacing options. You can switch its single port between popular RS-232, long distance RS-422, multi-drop RS-485, or noise-resistant current-loop. The card's 16C550 UART has an on-chip 16-byte FIFO buffer for faster and more reliable communication, especially under Windows.

Ordering Information
Part Number Description
PCL-740-A 1 Port RS-232/RS-422/RS-485/Current Loop Card CE