MainFeatures4个***RS-422/485串口自动RS-485数据流控制传输速率可达921.6Kbps每个端口共享IRQWindows95/98/NT/ME/2000/XP,WindowsC驱动程序和工具程序内置终端电阻LED显示：TX,RX标准TX,RX端口：COM1,COM2,COM3,COM4兼容产品介绍4端口RS-422/485高速模块Specificati***PCM-3614-AEcommunication<br>InterfacesCAN-CurrentLoop-RS-232-RS-422VRS-485VDisplayPorts4NetworkCableConnectorTypeDB9MaleProtectionIsolation-Surge1000VDC订货信息PCM-3614-AE4-portRS-422/485High-SpeedModule)