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Description

  • USR-N540, Four serial ports device server,RS232 / RS485 / RS422 interface,TI cortex-M4 solution, ARM processor and TCP/IP protocol stack,DNS, DHCP, Websocket and HTTPD Client supported.
  • Built-in webpage, support customized,Reload button,one key to restore factory defaults,Multiple indicator LEDs for easy debugging,Keepalive function,rapidly detect dead links.
  • Can upgrade firmware via network easily,Account and pas to page login and network settings,Support UDP broadcast,send and receive data from all IP in LAN.
  • Global unique MAC address bought from IEEE, can be defined,Virtual serial port, setup and test software is availiable.
  • Provide PC TCP/IP SOCKET programming example: VB, C++, Delphi, Android, IOS.
USR-N540, a four serial device server, can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface. it is based on ARM processor,low power, rapid speed and high stability. And N540 is internally integrated with TCP/IP protocol. User can easily realize embedded device networking. RJ45 - Port: 1 Standard: 4 pin RJ45 Speed rate: 10/100Mbps, MDI/MDIX Protection: 2KV electromagnetic isolation Protocal: IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Websocket, HTTPD Client Buffer: TX: 16K byte, RX: 16K bytes COM Port -- Port: RS232 / RS485 / RS485 x 4, can work at the same time Standard: RS232: DB9 male connector, RS485: A+ B-, RS422: (A, B, Y, Z) Baud rate: 600-230.4K bps Data bit: 5, 6, 7, 8 Parity bit: None, Odd, Even, Space, Mark Stop bit: 1, 2 Buffer: TX: 2K byte, RT: 2K byte Flow control: RTS/CTS RS485 resistor: 2.2K Ω Protection: ESD 2KV, lighting, surge, over current Power Input -- Voltage: 5-36 V Type: DC jacker and + - terminal Working current: 53mA (average) 12 V Protection: ESD, lighting Working Environment -- Working tempreture: -40 - 85 °C Storage tempreture: -40 - 105 °C Storage humidity: 5% - 95% (no condensation) Dimensions: 222x122x29 mm, without terminal Certification: CE, FCC, ROHS, WEEE Packing List Serial Device Server x 1 RS232 to RS485/RS422 converter x 4 Power adapter x 1 Serial cable x 1

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4 Serial Port RS232/RS485/RS422 to Ethernet Converter

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