







This product qualifies for Free Surface Shipping !
B2B GST Credit Available
- Stock: 13 in Stock
- SKU: 02645
- Delivery Time
- Bulk & B2B RFQ
2-port serial to Ethernet servers USR-N520 can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.
Supports WebSocket Sever, Built Websocket link with devices by Websocket of webpage HTML5 Data transmission between built-in webpage and serial port in bi-directional Custom webpage and websocket are acceptable Achieves the functions of displaying data in real-time
Package Includes:
- USR-N520 Device
- 2x DB9 to Screw Terminal Adapter
- 1x DB9 F-F Serial Cable
- 1x Power Supply Adapter
Features:
- 2-port RS-232/422/485 serial to Ethernet servers
- The power supply accepts a wide voltage input range DC 5-36V
- Support TCP server/client, UDP server/client, HTTPS client, Virtual COM
- Support Modbus RTU to Modbus TCP
- Support flow control CTS/RTS, XON/XOFF
- Support 2 RS-232, RS-485/422 3IN1 serial port to 1 10/100Base-T(X) self-adaptive Ethernet interface
- Configuration via Web Server page, AT commands, and Windows Utility
Resources:
- User Manual
- AT Command Set USRN520
- Quick Start Guide
- Socket Demo
- Configuration Software
- VCOM Setup
- PC Test software
Specifications:
| Processor, Flash, and Basic Frequency | Cortex M4, 512k byte, and 120MHz | |||
| Port | Port1: RJ45 (Ethernet) and Port2: RS232/485/422*2 (Serial) | |||
| Interface Standard | Port1: RJ45 and Port2: | RS-232: TX/RX/RTS/CTS | | RS-485: A+/B- | | RS422: TX+/TX-/RX+/RX- |
| Protection | Port1: 2KV electromagnetism isolation, shell insulation blocking, and Port2: ESD protection, anti-surge | |||
| Socket A | TCP Server/TCP Client/UDP Server/UDP Client | |||
| Socket B | TCP Client/UDP Client | |||
| Working Current | 95mA (aver) @ 5V | 45mA (aver) @ 12V | ||
| Serial Baud Rate | 600 bps ~ 230Kbps | |||
| Dimensions | 150 x 79 x 30 mm | |||
| Accessories | 12V power supply, serial line, cable, converter |




Functions:











Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)




