Report item - opens in a new window or tab Description current Shipping and payments eBay item number:122227850870 Seller assumes all responsibility for this listing. Item specifics Condition: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions- opens in a new window or tab ... Read moreabout the condition Brand: USR MPN: Does Not Apply UPC: 4650016153236 Emma Technology Company Visit my eBay store Sign up for newsletter Store Categories Store home Portable Laser Pointer Violet/Blue Laser 405nm-480nmGreen Laser 532nmRed Laser 650nmIR Infrared 780nm-1064nmStar Laser Pointer Laser Module Violet/Blue 405nm-480nmGreen 532nm-550nmRed 630nm-690nmIR 730nm-980nm Laser Diodelaser Components and Accessory Laser Protection GogglesLaser Diode HousingLaser Mount/Holders/HeatsinkHeatsink and CoolingPower supply driverOthers Optical lensElectronics BoardICSensorOther USR-N540 TCP/IP to RS485 RS422 RS485 Converter Serial Ethernet Server free ship Model: USR-N540Introduction USR-N540,a four serial device server,can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.USR-N540, 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. Features Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.Auto-MDI/MDIX,RJ45 port with 10/100MbpsTCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work modeFour ports can work independently at the same timeCan distinguish which serial port connects to the device via port numberSupport virtual serial port and provide corresponding software USR-VCOMSerial baud rate from 600bps to 230.4K bpsDNS and DHCP supportedProvide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOSBuilt-in webpage;also can customize webpage for usersThe global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC addressSupport upgrade firmware via networkSupport keepalive,rapidly detect dead linksSupport account and password,can be used to page login and network settingsSupport one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0Support Modbus RTU to Modbus TCPSupport UDP broadcast functionFour serial ports;each serial can work as rs232,rs485 or rs422;DB9 female;provide rs485/rs422 converterFour channel serial communication indicator: TX/RXSupport DC adapter and 5.08-2 terminal power supplyReload button,one key to restore default settingsRJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation Parameter Input Voltage: DC 9 ~ 24VWorking Current: 53mA @ 12VCertificate: CE, FCC, ROHSSize: 222 x 122 x 29 mmOperating Temp.: -40 ~ 85°C (industry)Storage Temp.: -40 ~ 85°C, 5 ~ 95% RH(no condensation) Interface: Each port can work as RS-232,RS-485 and RS-422;can work at the same timeNetwork Protocol: IP, TCP, UDP, DHCP, DNS, HTTP, ARP,ICMP, Web socket, Httpd client Built-in Webpage Work Mode Application Images Certificate Package 1pc USR-N540 TCP/IP to RS485 RS422 RS485 Converter Serial Ethernet Server free ship Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items. On Dec-09-13 at 00:57:26 PST, seller added the following information: Questions and answers about this item No questions or answers have been posted about this item. Ask a question - opens in a new window or tab 00038 Seller assumes all responsibility for this listing. Shipping and handling This item will ship to Thailand, but the seller has not specified shipping options. Contact the seller- opens in a new window or tab and request a shipping method to your location. Shipping cost cannot be calculated. Please enter a valid ZIP Code. Item location: Beijing, China Shipping to: Worldwide Excludes: Africa, Bosnia and Herzegovina, Hong Kong, Bolivia, Peru, Qatar, Afghanistan, Armenia, China No additional import charges at delivery! This item will be shipped through the Global Shipping Program and includes international tracking. 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Please enter a number less than or equal to 30. Select a valid country. ZIP Code: Please enter a valid ZIP Code. Please enter 5 or 9 numbers for the ZIP Code. Shipping and handling Each additional item To Service Delivery* Free shipping Free Thailand Standard Int'l Shipping Estimated between Thu. Dec. 29 and Tue. Jan. 10 Seller ships within 2 days after receiving cleared payment - opens in a new window or tab. US $30.00 Free Thailand Expedited Int'l Shipping Estimated between Thu. Dec. 22 and Tue. Jan. 10 Seller ships within 2 days after receiving cleared payment - opens in a new window or tab. * Estimated delivery dates- opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment- opens in a new window or tab. Delivery times may vary, especially during peak periods. Domestic handling time Will usually ship within 2 business days of receiving cleared payment - opens in a new window or tab. Return policy After receiving the item, contact seller within Refund will be given as Return shipping 30 days Money back Buyer pays return shipping Return policy details The buyer has 30 days to return the item (the buyer pays shipping fees). The item will be refunded. Payment details Payment method Preferred / Accepted Accepted