Main Features
支持8个RS-232端口
RS-232:TX, RX, RTS, CTS, DSR, DCD, DTR, RI
可通过软件为每个串口选择IRQ
共用IRQ（4/8端口共用1个IRQ）
全双工通讯串口
可通过跳线选择中继级
提供40针脚到标准DB9接口的扁平电缆
支持Windows? NT 4.0, Windows? 95/98/2000
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8 port RS-232 support
RS-232: TX, RX, RTS, CTS, DSR, DCD, DTR, RI
IRQ selected for each serial port in software
Share IRQ (4/8 ports share same IRQ)
Full duplex serial communication
Jumper selectable interupt level
Ribbon cabling from 40-pin headers to standard DB9 connectors provided
Supports Windows? NT 4.0, Windows? 95/98/2000

Introduction
4/8 RS-232 COM端口模块

Ordering Information
Part Number Description
PCM-3643-04A1 PC/104 4-Port RS-232Module
PCM-3643-08A1 PC/104 8-Port RS-232Module