PD***-743产品特点：IncorporateSerialDevicesinanEthernetnetwork"VirtualCOM"ExtendCOMPortsVirtualCOMonWindowsNT4.0,2000/XP/2003andVista32PowerfulProgrammableDeviceServerWatchdogTimersuitableforuseinharshenvironmentsPowerReversePolarityProtectionSerialPort+/-4kVESDProtectionCircuitSelf-TunerASICControllerontheRS-485Port5-digitLEDDisplay(forversi***withadisplay)RoHSCompliantwithnoHalogenBuilt-inHighPerformanceMiniOS7fromICPDAS10/100Base-TXEthernet,RJ-45Port(Auto-negotiating,autoMDI/MDI-X,LEDindicator)ODMServiceIs***ailableLowpowerc***umptionPalm-SizedwithmultipleSerialPortsMadefromfireretardantmaterials(UL94-V0Level)SupportsD/I,LatchedD/IandCounterFuncti***规格：CPUCPU80186-80MHzorcompatibleSRAM512KBFlashMemoryFlashROM:512KB;Eraseunitisonesector(64KB);100,000erase/writecyclesEEPROM16KB;Dataretention:40years;1,000,000erase/writecycles.Built-inWatchdogTimerYesCommunicationInterfaceNon-isolatedCOM1RS-232(TxD,RxD,RTS,CTS,GND)COM2RS-485(D2+,D2-,GND)COM3RS-232(TxD,RxD,GND)COM4RS-232(TxD,RxD,GND)Ethernet10/100Base-TX,RJ-45port(Auto-negotiating,autoMDI/MDI-X,LEDindicator)PoE-DataBit7,8:forCOM1andCOM25,6,7,8:forCOM3~COM4ParityNone,Even,Odd,Mark,SpaceStopBit1,2:forCOM1~COM4BaudRate115200bpsMax.LEDIndicators5-digit7SegmentYes,onlyfor"D"versi***SystemRedPoE-ProtectionPowerReversePolarityProtectionRequiredSupplyVoltage+10VDC~+30VDC(non-regulated)PowerC***umptionPDS(M)-743:2.0WFlammabilityFireRetardantMaterials(UL94-V0Level)Dimension(WxHxD)72mmx123mmx35mm(88mmx123mmx28mmfor"M"versi***)InstallationDIN-RailorWallmountingCasingFireRetardantPlastic(Metalfor"M"versi***)EnvironmentOperatingTemperature-25~+75°CStorageTemperature-40~+80°CHumidity5~90%RH,non-condensingPD***-743D产品介绍：带7段数码显示的PDS-743(金属外壳）)