Feature:1. Using for MIPS MCU (32MB for SRAM) and 16MB Flash, based for Linux operating system.2. Support for TCP / for IP / for Telnet / for Modbus TCP protocol.3. Support RS485 to 10 / 100M Ethernet data transmission, the maximum serial port speed is 460800 bps.4. Support 10 / 100M Ethernet adaptive.5. Support for webpage mode, for IOTService PC software easy configuration.6. Support data for TLS / for AES / for DES3 security encryption configuration.7. Support for web / for IOTService OTA wireless upgrade.Specification:Item Type: Serial Port ServerModel Name: HF7111Function Explanation: Serial to EthernetCore Resources: Processor: Cortex-M3Frequency: 96MHzOperating System: FreeRTOSFLASH Resources: 2MBRAM: 128KBNetwork Interface Parameters: Ethernet Standard: 802.3Ethernet Interface Form: 1 RJ45 with LEDInterface Standard: 10 / 100Base-T auto-negotiationNetwork Protocols: IP.TCP.UDP, DHCP, DNS, HTTPServer / Client, APP.BOOTP.AutoIP, ICMP, Telnet.uPNPSecurity Protocol (data Communication): for TLSv1.2.for AES-128Bit, for DES3, for SSLNetwork Port Protection: 2KV electromagnetic isolationNetwork Transformer: IntegratedMaximum Number Of Connections: 3socketSerial interface parametersNumber Of Serial Ports: 1Interface Standard: RS232Baud Rate: 2400-460800bpsSerial Port Protection: YesProduct Features: Configuration Method: for WEB page, for CLI command, for XML file import, for Telnet configuration, for IOTService softwareWEB Page: Standard web page or custom web pageIP Acquisition Method: DHCP or static IP, AutoP supportVirtual Data Channel: SupportFirmware Upgrade: Web page, IOTService softwareRegistration Package Function: SupportHeartbeat Packet Function: SupportCustom Script Function: SupportPacket Filtering: SupportAutomatic Serial Framing: SupportFor ModbusRTU for Modbus TCP: SupportNTP Function + Time Zone Setting: SupportParameter Import And Export: SupportReload Reset Interface: NoneEnvironmental Parameters: Working Temperature: -45-85 Storage Environment: -50-90 C, 5-95% RH (non-condensing)Power Parameters: Input Voltage: 5-36VDCInterface Form: RJ45 interfacePower Protection: Yes.Package List: 1 x Serial Server 1 x Custom Network Cable 1 x Housing Fixing Bracket 1 x Rail Bracket 2 x Screw Note:Due to manual measurement, there are slight errors, thank you for your understanding.