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Item Type: Laser Flashlight
Brand Name: Q-BAIHE
Model Number: USR-N540
Unit Type: piece
Package Size: 15cm x 10cm x 5cm (5.91in x 3.94in x 1.97in)
Package Weight: 1.5kg (3.31lb.)

Specifications

USR-N540 4 serial multi-port serial RS232/485/422 serial to Ethernet converter
 
 
System Information  
Processor Cortex-M4
Basic Frequency 120MHz
Flash 512K byte
Ethernet  
Port Number 1
Interface Standard 8 pin RJ45
Rate 10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection
Protection 2KV electromagnetism isolation, shell insulation blocking
Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP,ARP,ICMP,Web socket,Httpd client
Receive Buffer Max 16k bytes buffer
Serial  
Port Number 4 (Each port can work as RS-232,RS-485 and RS-422, can work at the same time)
Interface Standard RS-232: DB9 pin type, RS-485: 2 wire (A+,B-), RS-422 (A,B,Y,Z)
Data Bits 5,6,7,8
Stop Bit 1,2
Check Bit None,Even,Odd,Space,Mark
Baud Rate 600bps ~ 230.4Kbps
Flow Control RTS/CTS XON XOFF
Buffer Send and receive 2k bytes respectively
Protection RS-485: anti-static 2KV,lightning protection
RS-485 Pull-up and Pull-Down Resistor 2.2 KΩ
Software  
Virtual Serial(USR-VCOM) Windows 2000 or higher(32 bit/64 bit)
Configuration Built-in webpage, computer set-up software, serial command
Basic Parameter  
Size 222 x 122 x 29 mm (including shell and terminals)
Operating Temp. -40 ~ 85°C (industry)
Storage Temp. -40 ~ 85°C, 5 ~ 95% RH (no condensation)
Input Voltage DC 5 ~ 36V
Working Current 53mA @ 12V
Power <1W

Introduction of 4 ports Serial Ethernet Converter

USR-N540, 4 serial port Ethernet converter which can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.

Character of USR-N540 Serial Ethernet Converter

 

Industrial Solution TI Cortex M4 Solution, -40~85C
Web Server Web socket/ Web to Serial
Modbus Gateway Modbus RTU to Modbus TCP / Modbus Pollinig
Flow Control CTS/RTS, XON/XOFF
Protection Watchdog circuit, never cash
ESD 8KV
Anti-surge
Network Network Printing
2 network links, each serial support sending data to two servers

 

Feature of 4 ports Serial Ethernet Converter

  • TI Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.
  • Auto-MDI/MDIX,RJ45 port with 10/100Mbps
  • TCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work mode
  • 4 ports can work independently at the same time
  • Can distinguish which serial port connects to the device via port number
  • Support virtual serial port and provide corresponding software USR-VCOM
  • Serial baud rate from 600bps to 230.4K bps
  • DNS and DHCP supported
  • Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS
  • Built-in webpage;also can customize webpage for users
  • The global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address
  • Support upgrade firmware via network
  • Support keepalive,rapidly detect dead links
  • Support account and password,can be used to page login and network settings
  • Support one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0
  • Support Modbus RTU to Modbus TCP
  • Support UDP broadcast function
  • Each serial can work as rs232,rs485 or rs422; Default port is RS232 BD9 male port
  • Four channel serial communication indicator: TX/RX, CTS/RTS, XON/XOFF
  • Support DC adapter and 5.08-2 terminal power supply
  • Reload button,one key to restore default settings
  • RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation

Serial Port of  Serial Ethernet Converter (Default Port: RS232 DB9 male port)

Application Field of 4 ports Serial Device Servers

  • Industrial data transmission, industrial automation
  • security and protection monitoring, public security
  • Smart home, power control, environmental monitoring, intelligent agriculture
  • Door check on work attendance system, POS system, rice selling system
  • Building automation system, power monitoring, self-service banking system, telecom machine room monitoring

 

 
 
Package:
1 x USR-N540
 
 

 

Shipping & Delivery

We ship to international via China Post Airmail or Hong Kong Post Airmail, and every parcel will be registered with tracking number. We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please email your postal code for shipping quote. International customers may experience delays by customs or national post providers. Review your duty-free limits. Please let us know before payment if you need split shipment.

 
Time of Delivery
The time to ship to international via China Post Airmail or Hong Kong Post Airmail quite depends on diffrent desination of the world, it is also subject to change due to the local weather conditions, postal policy and custom checking. Base on the postal Air mail rules and our experience, kindly please be noted that To United States / United Kingdom / Australia, it takes around 10-15 business days; To Canada, it takes around 12-18 business days; To Brazil / South America, it takes around 25-35 days. To Italy / France / Spain / Germany/ Eastern Europe, it takes aournd 15-20 business days.
 
Returns & Replacements & Repair
We accept returns & replacements within 7 days from the day the customer receive the products, please make first contact within 7 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.

 

 

System Information  
Processor Cortex-M4
Basic Frequency 120MHz
Flash 512K byte
Ethernet  
Port Number 1
Interface Standard 8 pin RJ45
Rate 10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection
Protection 2KV electromagnetism isolation, shell insulation blocking
Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP,ARP,ICMP,Web socket,Httpd client
Receive Buffer Max 16k bytes buffer
Serial  
Port Number 4 (Each port can work as RS-232,RS-485 and RS-422, can work at the same time)
Interface Standard RS-232: DB9 pin type, RS-485: 2 wire (A+,B-), RS-422 (A,B,Y,Z)
Data Bits 5,6,7,8
Stop Bit 1,2
Check Bit None,Even,Odd,Space,Mark
Baud Rate 600bps ~ 230.4Kbps
Flow Control RTS/CTS XON XOFF
Buffer Send and receive 2k bytes respectively
Protection RS-485: anti-static 2KV,lightning protection
RS-485 Pull-up and Pull-Down Resistor 2.2 KΩ
Software  
Virtual Serial(USR-VCOM) Windows 2000 or higher(32 bit/64 bit)
Configuration Built-in webpage, computer set-up software, serial command
Basic Parameter  
Size 222 x 122 x 29 mm (including shell and terminals)
Operating Temp. -40 ~ 85°C (industry)
Storage Temp. -40 ~ 85°C, 5 ~ 95% RH (no condensation)
Input Voltage DC 5 ~ 36V
Working Current 53mA @ 12V
Power <1W

Introduction of 4 ports Serial Ethernet Converter

USR-N540, 4 serial port Ethernet converter which can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.

Character of USR-N540 Serial Ethernet Converter

 

Industrial Solution TI Cortex M4 Solution, -40~85C
Web Server Web socket/ Web to Serial
Modbus Gateway Modbus RTU to Modbus TCP / Modbus Pollinig
Flow Control CTS/RTS, XON/XOFF
Protection Watchdog circuit, never cash
ESD 8KV
Anti-surge
Network Network Printing
2 network links, each serial support sending data to two servers

 

Feature of 4 ports Serial Ethernet Converter

  • TI Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.
  • Auto-MDI/MDIX,RJ45 port with 10/100Mbps
  • TCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work mode
  • 4 ports can work independently at the same time
  • Can distinguish which serial port connects to the device via port number
  • Support virtual serial port and provide corresponding software USR-VCOM
  • Serial baud rate from 600bps to 230.4K bps
  • DNS and DHCP supported
  • Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS
  • Built-in webpage;also can customize webpage for users
  • The global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address
  • Support upgrade firmware via network
  • Support keepalive,rapidly detect dead links
  • Support account and password,can be used to page login and network settings
  • Support one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0
  • Support Modbus RTU to Modbus TCP
  • Support UDP broadcast function
  • Each serial can work as rs232,rs485 or rs422; Default port is RS232 BD9 male port
  • Four channel serial communication indicator: TX/RX, CTS/RTS, XON/XOFF
  • Support DC adapter and 5.08-2 terminal power supply
  • Reload button,one key to restore default settings
  • RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation

Serial Port of  Serial Ethernet Converter (Default Port: RS232 DB9 male port)

Application Field of 4 ports Serial Device Servers

  • Industrial data transmission, industrial automation
  • security and protection monitoring, public security
  • Smart home, power control, environmental monitoring, intelligent agriculture
  • Door check on work attendance system, POS system, rice selling system
  • Building automation system, power monitoring, self-service banking system, telecom machine room monitoring

 

 
 
Package:
1 x USR-N540