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For test the communication conversion between serial port and network , you should connect the USR-N668 to PC with serial cable(or USB to serial cable),connect the Ethernet port of USR-N668 and PC with network. Make sure the connection is correct , then power on.USR-N668 is an industrial-grade eight-serial port server, which realizes RS232/485/422 to Ethernet two-way transparent transmission function, and can flexibly switch between different serial ports; 2 Ethernet ports, 10/100Mbps rate; Support Modbus TCP to Modbus RTU; Support timeout restart and timeout reconnection; Support remote monitoring and remote firmware upgrade; Support virtual serial port, DNS domain name resolution, external door opener and other functions; Support custom heartbeat package and registration package to eliminate dead links.
Item | Parameters | Value |
Hardware | Work Voltage | AC 85~265 V，50/60Hz |
Power Consumption | 1.6W | |
Ethernet | RJ45、10/100Mbps | |
Number of Ethernet Port | 2 | |
Serial Port Format | RJ45 | |
Number of Serial Port | 8 Ports | |
Baud Rate | 300-115.2K（bps） | |
Software | Network Protocol | IP、TCP/UDP、ARP、ICMP、IPV4、https |
IP | Static IP、DHCP | |
DNS | Supports user defined | |
Configuration | Software, Webpage, AT command | |
Transparent transmission | TCP Server/TCP Client/UDP Server/UDP Client/ httpsd Client | |
Class RFC2217 | Support | |
Network Cache | 10Kbyte | |
Serial port Cache | 10Kbyte | |
Average transmission delay | >=50ms | |
Software | VCOM、Setup Software, Test program | |
Packaging mechanism | 50ms packing time, 1472 bytes packing length | |
Others | Certificate | CE/RoHs |
Reliability grade | EN61000-4-2(static electricity) Grade 4 EN61000-4-4(pulse group) Grade 4 EN61000-4-5(surge) Grade 3 | |
Shell Protection | IP30 | |
Size | 482*185*45 MM | |
Work Temp | -40～85℃ | |
Storage Temp | -40～105℃ | |
Work Humidity | 5%～95% RH | |
Storage Temp | 5%～95% RH |
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Q How to make a payment?
E****R 18/11/2024
A We accept various payment methods including bank transfers, credit cards, and PayPal. Please refer to our payment page during checkout for detailed instructions on how to complete your payment. If you have any questions or need assistance with payment, please contact our customer support team.
18/11/2024
Q How will the products be shipped?
T****k 16/08/2024
A We ship products through reliable courier services such as DHL, UPS, and FedEx. Shipping fees and delivery times may vary depending on the destination. You will receive a tracking number once your order has been dispatched, allowing you to track the status of your shipment. Please note that shipping times may vary based on location and availability.
16/08/2024
Q How is warranty provided?
L****Y 08/05/2024
A We offer a warranty on all of our products. The warranty period and conditions vary depending on the product category. For specific warranty information, please refer to the product page or your purchase agreement. If you encounter any issues with a product during the warranty period, please contact our customer service team with your proof of purchase, and we will guide you through the warranty claim process.
08/05/2024
