Main Features
支持8個(gè)RS-232端口
RS-232:TX, RX, RTS, CTS, DSR, DCD, DTR, RI
可通過軟件為每個(gè)串口選擇IRQ
共用IRQ（4/8端口共用1個(gè)IRQ）
全雙工通訊串口
可通過跳線選擇中繼級(jí)
提供40針腳到標(biāo)準(zhǔn)DB9接口的扁平電纜
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端口模塊

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