{"product_id":"usr-n540-4-ports-rs232-rs485-rs422-to-ethernet-rj45-modbus-rtu-gateway-serial-device-servers-with-ssl-tsl-mqtt","title":"USR-N540 4 Ports RS232 RS485 RS422 to Ethernet RJ45 Modbus RTU Gateway Serial Device Servers with SSL\/TSL MQTT","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN540\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-family:Inter, \"SF Pro Text\", Roboto, \"Helvetica Neue\", Helvetica, Tahoma, Arial, \"PingFang SC\", \"Microsoft YaHei\", serif;font-size:12px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(9, 9, 11);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:10px 0px;padding-bottom:10px;padding-top:10px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eUSR-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.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"font-family:Arial, Helvetica, sans-serif;font-size:22px;font-weight:700;line-height:30px;text-align:left;color:rgb(0, 84, 164);border:0px;margin:20px auto 0px;margin-bottom:0px;margin-top:20px;margin-left:auto;margin-right:auto;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"left\"\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eUnique Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"font-family:Arial, Helvetica, sans-serif;font-size:14px;font-weight:normal;line-height:inherit;text-align:left;color:rgb(51, 51, 51);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"left\"\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e1. Modbus gateway, Modbus poll\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial, Helvetica, sans-serif;font-size:14px;font-weight:normal;line-height:inherit;text-align:left;color:rgb(51, 51, 51);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"left\"\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e2. Network printer function\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial, Helvetica, sans-serif;font-size:14px;font-weight:normal;line-height:inherit;text-align:left;color:rgb(51, 51, 51);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"left\"\u003e\u003cspan style=\"font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e3. ESD+lighting protection, watchdog mechanism\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv id=\"ali-title-AliPostDhMb-fml7t\" style='font-family:Inter, \"SF Pro Text\", Roboto, \"Helvetica Neue\", Helvetica, Tahoma, Arial, \"PingFang SC\", \"Microsoft YaHei\", serif;font-size:12px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(9, 9, 11);background-color:rgb(255, 255, 255);border-bottom:1px solid rgb(221, 221, 221);border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:8px 0px;padding-bottom:8px;padding-top:8px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style=\"background-color:rgb(221, 221, 221);color:rgb(51, 51, 51);font-size:inherit;font-family:inherit\"\u003eProduct Description\u003c\/span\u003e\u003c\/div\u003e\u003cdiv id=\"ali-title-AliPostDhMb-fml7t\" style='font-family:Inter, \"SF Pro Text\", Roboto, \"Helvetica Neue\", Helvetica, Tahoma, Arial, \"PingFang SC\", \"Microsoft YaHei\", serif;font-size:12px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(9, 9, 11);background-color:rgb(255, 255, 255);border-bottom:1px solid rgb(221, 221, 221);border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:8px 0px;padding-bottom:8px;padding-top:8px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003c\/div\u003e\u003cdiv id=\"ali-anchor-AliPostDhMb-nyfqa\" style='font-family:Inter, \"SF Pro Text\", Roboto, \"Helvetica Neue\", Helvetica, Tahoma, Arial, \"PingFang SC\", \"Microsoft YaHei\", serif;font-size:12px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(9, 9, 11);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:8px 0px 0px;padding-bottom:0px;padding-top:8px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"mceSectionContainer\" align=\"start\"\u003e\n\u003cdiv id=\"ali-title-AliPostDhMb-nyfqa\" style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border-bottom:1px solid rgb(221, 221, 221);border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:8px 0px;padding-bottom:8px;padding-top:8px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"background-color:rgb(221, 221, 221);color:rgb(51, 51, 51);font-size:inherit;font-family:inherit\"\u003eFeature\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:10px 0px;padding-bottom:10px;padding-top:10px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cul style='font-family:Inter, \"SF Pro Text\", Roboto, \"Helvetica Neue\", Helvetica, Tahoma, Arial, \"PingFang SC\", \"Microsoft YaHei\", serif;font-size:12px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(9, 9, 11);border:0px;margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px 0px 0px 40px;padding-bottom:0px;padding-top:0px;padding-left:40px;padding-right:0px;display:block;box-sizing:border-box' align=\"start\"\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eCortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eAuto-MDI\/MDIX,RJ45 port with 10\/100Mbps\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eTCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work mode\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eFour ports can work independently at the same time\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eCan distinguish which serial port connects to the device via port number\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport virtual serial port and provide corresponding software USR-VCOM\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSerial baud rate from 600bps to 230.4K bps\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eDNS and DHCP supported\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eProvide PC TCP\/IP socket programming example such as VB,C++,Delphi,Android and IOS\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eBuilt-in webpage;also can customize webpage for users\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eThe global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport upgrade firmware via network\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport keepalive,rapidly detect dead links\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport account and password,can be used to page login and network settings\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport Modbus RTU to Modbus TCP\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport UDP broadcast function\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eFour serial ports;each serial can work as rs232,rs485 or rs422;DB9 female;provide rs485\/rs422 converter\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eFour channel serial communication indicator: TX\/RX\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSupport DC adapter and 5.08-2 terminal power supply\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eReload button,one key to restore default settings\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eRJ45 with Link\/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"font-family:Arial;font-size:12px;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003c\/div\u003e\u003cdiv style=\"font-family:Arial;font-size:12px;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003c\/div\u003e\u003cdiv id=\"ali-anchor-AliPostDhMb-n0ys6\" style='font-family:Inter, \"SF Pro Text\", Roboto, \"Helvetica Neue\", Helvetica, Tahoma, Arial, \"PingFang SC\", \"Microsoft YaHei\", serif;font-size:12px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(9, 9, 11);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:8px 0px 0px;padding-bottom:0px;padding-top:8px;padding-left:0px;padding-right:0px;box-sizing:border-box' class=\"mceSectionContainer\" align=\"start\"\u003e\n\u003cdiv id=\"ali-title-AliPostDhMb-n0ys6\" style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border-bottom:1px solid rgb(221, 221, 221);border-left:0px;border-right:0px;border-top:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:8px 0px;padding-bottom:8px;padding-top:8px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"background-color:rgb(221, 221, 221);color:rgb(51, 51, 51);font-size:inherit;font-family:inherit\"\u003eSpecifications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:10px 0px;padding-bottom:10px;padding-top:10px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"font-family:Arial;font-size:12px;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003cul style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px 0px 0px 40px;padding-bottom:0px;padding-top:0px;padding-left:40px;padding-right:0px;display:block;box-sizing:border-box\"\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eInput Voltage: DC 9 ~ 24V\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eWorking Current: 53mA @ 12V\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eCertificate: CE, FCC, ROHS\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eSize: 222 x 122 x 29 mm\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eOperating Temp.: -40 ~ 85°C (industry)\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eStorage Temp.: -\u003c\/span\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:inherit;font-family:Arial\"\u003e40 ~ 85°C, 5 ~ 95% RH(no condensation)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eInterface: Each port can work as RS-232,RS-485 and RS-422;can work at the same time\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;border:0px;margin:0px 0px 0px 30px;margin-bottom:0px;margin-top:0px;margin-left:30px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;font-family:inherit\"\u003eNetwork Protocol: IP, TCP, UDP, DHCP, DNS, HTTP, ARP,ICMP, Web socket, Httpd client\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Seac6813acf364f4db61bfef0797f0ba5w.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55514542375211,"sku":"\u003cnone\u003e","price":248.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sc2ee0bf171074fc48fcf85aed08c9903S.webp?v=1789011858","url":"https:\/\/yoeruyo.com\/products\/usr-n540-4-ports-rs232-rs485-rs422-to-ethernet-rj45-modbus-rtu-gateway-serial-device-servers-with-ssl-tsl-mqtt","provider":"Yoeruyo","version":"1.0","type":"link"}