B&B Electronics RS-422 manual General Information, Introduction, Features

Chapter 1: General Information

Introduction

The 3PCIO1 Optically Isolated Single Port serial interface card is designed to work with Windows based IBM compatible computers equipped with a PCI Bus. The card is Plug and Play compatible which permits the Windows Operating System and driver to set the addresses and IRQ used by the card.

If you are developing your own software, make sure that the communications routines support Windows communication drivers and a wide range of COM ports (Com1 to Com16 or higher).

Features

•Optically Isolated Multiple Interface PCI Serial Card

•Windows 95/98/2000/XP Compatible Drivers

•Buffered high speed 16C950A UARTs (16C550 compatible) 128 byte FIFOs for input/output with selectable trigger thresholds

•Supports baud rates to 460.8K baud

•Provides 2000 VDC minimum isolation on all lines from the DB9 male connector to the host computer

•Selectable RS-232/RS-422/RS-485 mode

•RS-232 Mode – All eight signals including DCD & RI

•RS-422 Mode – Supports Transmit & Receive signal pairs

•RS-485 Mode – Supports Transmit & Receive signal pairs for half or full duplex connections.

•2-wire or 4-wire RS-485 Operation (Half or Full Duplex)

•Automatic Send Data Control for RS-485 Operation

•Com Port Rename – Advanced Driver Function

•Standard DB9 Male Connector

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445