Part#: 7803e

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COMM+8.PCIE

Low Profile PCI Express 8-Port RS-232 Serial Interface

Cable Selection

PC Bracket Selection

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Description

THIS PRODUCT IS OBSOLETE DUE TO LACK OF COMPONENT AVAILABILITY. THE 7803ec IS THE CURRENT VERSION. PLEASE CONTACT YOUR SALES REPRESENTATIVE FOR FURTHER INFORMATION AND OTHER PRODUCT ALTERNATIVES.

The 7803e low-profile PCI Express serial interface provides eight RS-232 serial ports. For maximum compatibility with a wide range of peripherals, the board supports all standard RS-232 modem control signals. The serial ports utilize 16C954 UARTs with 128-byte Tx/Rx FIFOs that enables data rates to 921.6K bps for reliable high-speed communications in data intensive applications. This high-performance UART includes 9-bit framing support and is fully software compatible with legacy 16550 applications. In addition, the board derives a 62.5 MHz clock from the PCI Express link. This ultra-high speed clock is divided by a flexible 8-bit clock prescalar with 1/8 steps to provide support for the widest range of standard and non-standard baud rates.

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

The 7803e is a PCI Express X1 board compatible with any low profile PCI Express slot. If you have a standard size PCI Express slot, be sure to select the standard profile bracket. The board includes a 36 inch cable that terminates to eight DB25M connectors.

Additional information

Oscillator

62.5 MHz

Max Data Distance

50 feet

Communications Chip

16C954

Dimensions

3.500” (L) x 2.536” (H)

Electrical Interface

RS-232

Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Host Interface(s)

PCI Express

Max Data Rate

921.6K bps

UART Series

950 UART

Board Connector

MDB68F

Operating Temperature

0°C to 70°C (32°F to 158°F)

PC Bracket

Low Profile

# of Ports

8

RoHS Compliant

Yes

Serial Connector(s)

DB25M, DB9M

Storage Temperature

-50 – +105C

Cable Connector(s)

DB25M (8)

  • • 16C954 buffered UARTs with 128-byte FIFOs
  • • Oscillator and clock prescalar support wide range of baud rates
  • • Supports 9-bit protocol framing
  • • Each port supports data rates to 921.6K bps
  • • PCI Express X1 compliant
  • • Compatible with low profile PCI Express slots
  • • All modem control signals implemented
  • • Included 36″ cable terminates to eight DB25M connectors (Item# CA202)

Windows Software

Software: SeaCOM - Windows

Manual

Manual: 7803e

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