Part#: 7802ec

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COMM+8.422.PCIE

Low Profile PCI Express 8-Port RS-422, RS-485 Serial Interface

PC Bracket Selection

$299.00

Description

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 prescalar, 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 compatible with any PCI Express slot. If you have a standard size PCI Express slot, be sure to select the standard profile bracket. The board ships with a 36-inch spider-cable that terminates to eight DB9M (CA231) connectors.

Additional information

Host Interface(s)

PCI Express

Communications Chip

Ultra high-speed UART

Electrical Interface

RS-422, RS-485

# of Ports

8

Board Connector

MDB68F

Cable Connector(s)

DB9M (8)

Serial Connector(s)

DB9M

Oscillator

125 MHz BRG

RoHS Compliant

Yes

PC Bracket

Low Profile, Standard Height

Max Data Distance

4000 feet

Max Data Rate

Exceeds 1 Mbps

Dimensions

4.74" (L) x 2.71" (H) w/ Gold Fingers

Operating Temperature

0°C to 70°C (32°F to 158°F)

Storage Temperature

-50 – +105C

Humidity Range

10 – 90% Relative Humidity, Non-Condensing

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

Windows Software

Software: SeaCOM - Windows

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