USRIoT - 4 Port RS232/RS485/RS422 to Ethernet Server | Modbus RTU to Modbus TCP USR-N540
SKU
MD-01256
PKR38,400.00
Available in 15-30 Days
USR-N540, a four serial device server, can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.
- Buy 3 for PKR36,480.00 each and save 5%
- Buy 10 for PKR35,328.00 each and save 8%
- Buy 25 for PKR33,792.00 each and save 12%
Categories: Others, Converters, Communication Modules, Wireless & Networking Module
Serial Device Server Introduction
USR-N540, a four serial device server, can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface. The serial device server, based on ARM processor, is of low power, rapid speed and high stability. And N540 is internally integrated with TCP/IP protocol. User can easily realize embedded device networking.
Serial Device Server Features
- TI cortex-M4 solution, ARM processor and TCP/IP protocol stack
- Reload button,one key to restore factory defaults
- Multiple indicator LEDs for easy debugging
- DNS, DHCP, Websocket and HTTPD Client supported
- Keepalive function,rapidly detect dead links
- Built-in webpage, support customized
- Can upgrade firmware via network easily
- Account and password 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
Serial Device Server Parameter
| RJ45 | |
| Number | 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 | |
| Number | RS232/RS485/RS485 * 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 | 222*122*29 mm, without terminal |
| Certification | CE, FCC, ROHS, WEEE |
| Download files | USR-N540 |
Serial Device Server Application Sample

Packing List
- Serial Device Server * 1
- RS232 to RS485/RS422 converter * 4
- Power adapter * 1
- Serial cable * 1
| Part Number | USR-N540 |
|---|---|
| Manufacturer | USR IoT |
| Weight (KG) | 1.260000 |
| Number of Channels | 4 |
| Product Availability | In Stock |



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