PCIe 8-Port RS-422, RS-485 Async Serial Card

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PCIe 8-Port RS-422, RS-485 Async Serial Card

$362.00

In Stock:

Each port supports asynchronous data rates exceeding 1 Mbps
Ultra high-speed UART with 256-byte Tx and Rx FIFOs
Each port individually configurable for RS-422 or RS-485
Included 36" cable terminates to eight DB9M connectors (Item# CA231)
Compatible with any low profile PCI Express slot. A standard profile bracket is also included
PCI Express X1 compliant
Bus-derived 125 MHz BRG and clock prescaler support wide range of baud rates
RS-485 line termination, pull-up and pull-down resistors for each port are selectable via dipswitches
Automatic RS-485 enable/disable in hardware
RS-485 ECHO can be enabled/disabled via dipswitches

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Product Details

The 7802ec low profile PCI Express serial interface provides eight serial ports, each individually field-configurable for RS-422 or RS-485 communications. Each serial port features an ultra high-speed UART, flexible clock prescaler, and large 256-byte Tx/Rx FIFOs allowing the adapter to support the widest range of standard and non-standard baud rates exceeding 1 Mbps. These features make the 7802ec ideal for data-intensive applications that require reliable, ultra-fast throughput rates.

In RS-485 mode, the board provides automatic control of the RS-485 driver in hardware, eliminating the need for application software control. This allows the 7802ec to be used with standard serial communications applications and removes the risk of bus contention and data corruption. Additionally, RS-485 network termination, critical to robust multi-drop communication, can be selectively added to the circuit via DIP-switches.

The Sealevel SeaCOM software driver and utilities make installation and operation easy using Microsoft Windows operating systems.

The 7802ec is a PCI Express X1 board is compatible with any low profile PCI Express slot. A standard profile bracket is also included. The board ships with a 36-inch spider-cable that terminates to eight DB9M (CA231) connectors.