Notes about Operation 51LAN CommunicationWired LAN (RTR-500NW) RJ45 Connector100Base-TX / 10Base-T AutoMDI / MDI-XWireless LAN (RTR-500AW) Internal wireless LAN antennaIEEE 802.11b/g WEP, WPA/WPA2 (PSK)Data Transfer ProtocolAuto-Downloading of RecordedData / Auto-Sending of CurrentReadingsFTP (PASV mode also supported)SMTP (SMTP-AUTH, POP-before SMTP)*SMTP-AUTH supports LOGIN onlyWarning Monitoring Function SMTP (SMTP-AUTH, POP-before SMTP)*SMTP-AUTH supports LOGIN onlyContacts (Warning Output/Input)Output Terminal Voltage when OFF: AC/DC 50V or lessCurrent when ON: 0.1A or lessResistance when ON: 35ΩInput Terminal Internal Pull-up: 3V 100kΩMaximum Input Voltage: 30VSoftware (RTR-500W for Windows)Operating EnvironmentCompatibleDevicesBase Units: RTR-500NW, RTR-500AWRemote Units: RTR-501 / 502 / 503, RTR-501L / 502L / 503L, RTR-574RTR-505-TC / 505-Pt / 505-mA / 505-V / 505-PRepeater: RTR-500Compatible OS Microsoft Windows 7 32/64bitEnglish, SpanishMicrosoft Windows Vista 32bit English, SpanishMicrosoft Windows XP 32bit (SP2 or above) English, SpanishPC/CPU A Stable Windows Operating EnvironmentMemory A Stable Windows Operating EnvironmentHard Disk More than 30 MB of free space (More free space is necessary for data)Monitor SVGA (800 x 600) more than 256 colors