7204e

7204E-ROHS•7204ES-ROHS

PCI EXPRESS ASYNCHRONOUS SERIAL CARD

7204e - 2 Port RS-422/485 Low Profile PCI Express Asynchronous Serial Card (Ultra-COMM+2.422.PCIe)

CE

CE is a mandatory standard for products on the market in the European Economic Area. By CE marking a product, the manufacturer ensures that the item meets the essential safety requirements set out in the applicable CE directive.

FCC Approved

The Federal Communications Commission (FCC) is an independent agency of the United States government that sets standards and governs the testing of conducted and radiated emissions such as EMI.

Lifetime Warranty

This product has a lifetime warranty against product failure (excludes user or enviromental damage).

RoHS

This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.

7204e PCI Express Asynchronous Serial Card
7204e top7204eS7204e with cables

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7204E-ROHS

7204e with low profile height bracket

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7204ES-ROHS

7204e with standard height bracket

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CA127-ROHS

DB9 Female to DB9 Male Extension Cable, 72" in Length

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CA176-ROHS

DB9 Female (RS-422) to DB25 Male (RS-530) Cable, 10" in Length

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CA177-ROHS

DB9 Female to DB25 Male Standard RS-232 Modem Cable, 72" in Length

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TB34-ROHS

Terminal Block - DB9 Female to 5 Screw Terminals (RS-422/485)

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CA190-ROHS

DB9 Female to DB9 Female, 72" in Length - RS-422 207M SMPTE Cable

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TB05-ROHS

Terminal Block - DB9 Female to 9 Screw Terminals

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KT105-ROHS

Terminal Block Kit - TB05 + CA127 Cable

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TB06-ROHS

Terminal Block - Dual DB9 Female to 18 Screw Terminals

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KT106-ROHS

Terminal Block Kit - TB06 + (2) CA127 Cables

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DB103-ROHS

DB9 Female (RS-422) to DB9 Female (Opto 22 Optomux) Converter

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RJ9S8-ROHS

DB9 Female to RJ45 Modular Adapter

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RJ25S8-2-ROHS

DB25 Female to (2) RJ45 Modular Adapter

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TB34-2-ROHS

2 x Terminal Block - DB9 Female to 5 Screw Terminals (RS-422/485)

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* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
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7204e overview

Description
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The 7204e low-profile PCI Express serial interface provides two serial ports configurable for RS-422 or RS-485. Each serial port utilizes a 16C950 UART 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 14.7456 oscillator and UART's flexible clock prescalar supports the widest range of standard and non-standard baud rates.

In RS-485 mode, the transmitter is automatically enabled in hardware, eliminating the need for application software control. This allows the 7204e to be used with standard serial communications applications and removes the risk of bus contention and data corruption.

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

The 7204e is a PCI Express X1 board compatible with any low profile PCI Express slot. If you have a standard size PCI Express slot, order the 7204eS. Both versions ship with a 36 inch cable that terminates to two DB9M connectors.

Features
  • Host Interface : PCI Express
  • Serial Ports : 2 x RS-422/485 Ports via DB25 Port (DB25M to 2 x DB9M cable included)
  • UART Series : 950 UART
  • PC Bracket : Low Profile
  • Communication Chip : 16C950
  • Oscillator : 14.7456MHz
  • Maximum Data Rate : 921.6Kbps
  • Maximum Data Distance : 4000ft
  • Operating Temperature : 0°C to +70°C
  • Storage Temperature : -50°C to +105°C
  • Humidity Range : 10% to 80% Relative Humidity, Non-condensing
  • Compliant with RoHS and WEEE directives
  • Each port individually configurable for RS-422 or RS-485
  • 16C950 buffered UARTs with 128-byte FIFOs
  • Each port supports data rates to 921.6K bps
  • Oscillator and clock prescalar support wide range of baud rates
  • Supports 9-bit protocol framing
  • PCI Express X1 compliant
  • Compatible with all low profile PCI Express slots
  • Included 36" cable terminates to two DB-9M connectors (Item# CA203)
7204e Datasheet
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