User guide

Introduction

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♦ Operating temperature: 0 to 55 °C

♦ Storage temperature: -10 to 70 °C

♦ Humidity : 10% to 95%, non-condensing

♦ Power consumption: +5V @ 1400mA typical

1.B C422 Features

The C422 is an enhanced two-port serial communication PCI card that in-

cludes an advanced PGA to support the serial communication controller. The

expansion port has two standard DB9 connectors.

• PCI Rev.2.1 Plug and Play

• Automatic IRQ and I/O address assignments

• 2 communication port intelligent buffers

• Suitable for modems, data display, data collection, telecommunication

• Supports up to 2 cards/4 ports per system

• Supports Windows 98/2000/XP/NT and Linux operation systems

• Isolated RS-422/485 interface for each port independently

1.C C422 Specifications

♦ PCI Spec.2.1compliant

♦ Serial communication controller:

• 16C550A compatible

• 1.8432 - 7.3728MHz

♦ System IO mapping:

• Assigned by PCI BIOS

• Shared IRQ

♦ Flow control:

• Xon/Xoff control

• RTS/CTS control