{"product_id":"rs232-rs485-to-rj45-ethernet-serial-server-rs232-and-rs485-dual-channels-independent-operation-dual-ethernet-ports","title":"RS232 RS485 to RJ45 Ethernet Serial Server, RS232 And RS485 Dual Channels Independent Operation, Dual Ethernet Ports","description":"\u003cdiv class=\"overviewSec\"\u003eRS232 RS485 to RJ45 Ethernet Serial Server, RS232 And RS485 Dual Channels Independent Operation, Dual Ethernet Ports, Rail-mount Industrial Isolated Serial Module, Bi-directional Transparent Transmission\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\n\u003cdiv class=\"pdT\" style=\"background: #EEEEEE;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eIndustrial Isolated RS232 RS485 to RJ45 Ethernet Serial Server\u003c\/div\u003e\n\u003cp class=\"hilitBlock2 round1234\" style=\"background: #7099D1; color: #fff;\"\u003eDual Serial Ports To Ethernet, Modbus\/MQTT\/JSON Support, Rail-mount Metal Case\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-1.jpg\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-3.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #EBECEF;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eFeatures at a glance\u003c\/div\u003e\n\u003cdiv class=\"alignl pdTRBL\"\u003e\n\u003cp\u003eThis is a dual serial ports device data acquisitor \/ IoT gateway designed for the industrial environment, 1-ch RS232 and 1-ch RS485 can work simultaneously without interfering with each other using one Ethernet cable. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS232 and RS485 to JSON, etc. The other one Ethernet port can be used as a network switch or for cascading, and the PoE* function is optional for dual Ethernet ports. Provides two power supply methods: DC port (outer diameter: 5.5mm, inner diameter: 2.1mm) and screw terminal. The case with rail-mount support, is small in size, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety \u0026amp; security IoT, and intelligent instrument monitoring...\u003c\/p\u003e\n\u003cp\u003e* This product is a PoE receiver device (PD), it needs to be connected to the PoE power supply and get power from the PSE device to work normally.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #EBECEF;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eVersion Options\u003c\/div\u003e\n\u003cdiv class=\"richGridWrap richGridWrap-2c richGridWrap-valignTop mgnTB\"\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-5-1.jpg\" class=\"round1234\"\u003e\u003cp\u003e\u003cstrong\u003eRS232 RS485 TO ETH (B)\u003c\/strong\u003eDual serial ports + Common network port + Electrical isolation\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-5-2.jpg\" class=\"round1234\"\u003e\u003cp\u003e\u003cstrong\u003eRS232 RS485 TO POE ETH (B)\u003c\/strong\u003e    Dual serial ports + PoE network port + Electrical isolation\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"tabSty-2 mgnTB subBlock alignl\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"2\"\u003e\u003c\/th\u003e\n\u003cth\u003eRS232 RS485 TO ETH (B)\u003c\/th\u003e\n\u003cth\u003eRS232 RS485 TO POE ETH (B)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDual serial ports + Common network port + Electrical isolation\u003c\/td\u003e\n\u003ctd\u003eDual serial ports + PoE network port + Electrical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eSerial server, Modbus Gateway, MQTT Gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBasic Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eBi-directional transparent data transmission between RS232 and RS485 to Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eRS232 port × 1, RS485 port × 1, Ethernet port × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5.5 power port, 6 ~ 40V DC screw terminal\u003c\/td\u003e\n\u003ctd\u003eDC 5.5 power port, 6 ~ 40V DC screw terminal, or PoE port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003e\u003cstrong\u003eEthernet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRJ45\u003c\/td\u003e\n\u003ctd\u003eRJ45 with PoE support, IEEE 802.3af compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e10 \/ 100M auto-negotiation RJ45 connector, 2 KV surge protection\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eIsolated RS232 and RS485 (the 2 channels can receive and transmit independently at the same time)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eSerial specification\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBaudrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e300 ~ 115200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParity bit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003enone, odd, even, mark, space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData bit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e5 ~ 9 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003ehost, web browser, device management functions library\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eTCP\/IP direct communication, VCOM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eTCP server, TCP client (coexisting with TCP server), UDP, UDP multicast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eEnvironment requirement\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e-40℃ ~ 85℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e5% ~ 95% relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eL × W × H: 78.0 × 72.5 × 24.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #E9F0F8;\"\u003e\n\u003cdiv class=\"richTitle\"\u003ePrimary function\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003ebi-directional transparent data transmission between Dual serial ports and Ethernet\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-7.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #E1EDFB;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eMulti Power Supply Options\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eSupport PoE Ethernet port power supply*, Suitable for IEEE 802.3af PoE standardSupport Screw Terminal and DC Power Port for Power Supply, DC 6~40V Wide Voltage Range Input\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-9.jpg\"\u003e\u003cp class=\"note\"\u003e* This function is only available on the PoE version\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #E8EFF7;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eSupport Ethernet Port Cascade\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eOnboard 2-ch Ethernet Ports for communication and cascade    Either one can be used for dual serial server network communication, while the other one can be used for cascading or communication with other devices\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-11.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"msg msg_warning\"\u003e* Note: Each module in the cascade needs to be powered individually. The working current of the module is 12V\/150mA (MAX) and can be cascaded up to 8.\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #F8F8F8;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eRail-mount support\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eIndustrial-grade rail design, compact size, easy installation, cost-effective\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-13.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #D4E2ED;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eModbus gateway support\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003esuitable for Modbus networking upgrade, Can Be Used With specific Configuration Software\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-15.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #A0D8F3;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eMulti communication modes\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003esupports TCP server \/ TCP client \/ UDP multicast \/ UDP mode\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-17-1.jpg\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-17-2.jpg\"\u003e\u003cp class=\"note\"\u003e* Note: This module is dual-channel, and each channel supports the above functions separately\u003c\/p\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eMQTT\/JSON to Modbus\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003emore flexible conversion between different protocols\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-19.jpg\"\u003e\u003cdiv class=\"alignl subBlock pdTRBL2\"\u003e\n\u003cp\u003eWhen used as MQTT gateway, the devices can upload serial data to MQTT server by MQTT protocol through transparent transmission, supported servers including Baidu Cloud MQTT, Alibaba Cloud MQTT, China Mobile OneNet, etc. The acquired Modbus RTU or non-standard serial data can be parsed into JSON format and packaged into MQTTdata packet for uploading.\u003c\/p\u003e\n\u003cp\u003eWhen used as JSON data acquisition gateway, the devices can be connected to data acquisition instruments through RS485 connection, then acquire data automatically, convert the data into JSON format, and finally post it to server. The acquired data supports Modbus RTU 645 instrument 97 version, 645 instrument 07 version, as well as sorts of non-standard RS485 protocols. The uploaded data format can be configured via host, and the JSON upload protocol can be MQTT protocol, HTTP POST protocol, HTTP GET protocol, and so on.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #E6F4FF;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eMulti hosts roll-polling support\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003edifferent network devices will be identified and responsed respectively,no more crosstalk issue while communicating with multi network devices\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-21.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #DAEEF7;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eUser-defined heartbeat\/registration packet\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eeasy for cloud communication and device identification\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-23.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eNTP protocol support\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003egetting network time info for serial output or data upload\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-25.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #E6F4FF;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eMulti configuration methods\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003esupports Web browser configuration, obtaining dynamic IP via DHCP,DNS protocol connected domain server address\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-27.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eMultiple Protection, Safe And Stable\u003c\/div\u003e\n\u003cp class=\"alignl pdTRBL\"\u003eOnboard power supply and signal isolation, it can provide stable isolation voltage with high reliability and strong anti-interference. Built-in TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient peak voltage in the circuit, lightningproof \u0026amp; ESD protection. Built-in resettable fuse and protection diode to ensure stable output of current and voltage, prevents over-current and over-voltage proof, improve shock proof performance\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-29.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eAluminium Alloy Enclosure\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eAluminium Alloy Enclosure With Sand Blasting And Anodic OxidationSolid And Durable, Fashion And Good Hand Feeling\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-31.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eInterface introduction\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-inter.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eProduct show\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-33.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eOutline dimensions\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-size.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #E4EEFA;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eSupport Batch Customization\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eSupport software and hardware customizationIncluding hardware interface, LOGO, label, case and web page, etc.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-35.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\"\u003e\u003cdiv class=\"bgGrey\"\u003e\n\u003cstrong\u003eWiki:\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/RS232_RS485_TO_POE_ETH_(B)\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/RS232_RS485_TO_POE_ETH_(B)\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eSelection guide\u003c\/div\u003e\n\u003cdiv class=\"scrollWrap\"\u003e\u003ctable class=\"tabSty-2 subBlock alignc mgnTB\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eModel\u003c\/th\u003e\n\u003cth\u003enetwork port\u003c\/th\u003e\n\u003cth\u003eIsolation Protection\u003c\/th\u003e\n\u003cth\u003eSerial Port Type\u003c\/th\u003e\n\u003cth\u003ePower Supply methods\u003c\/th\u003e\n\u003cth\u003eVoltage Range\u003c\/th\u003e\n\u003cth\u003eDimensions (L × W × H)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs485-to-eth-b.htm?sku=20978\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS485-TO-ETH-B-1_460.jpg\" alt=\"\"\u003e RS485 TO ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eSingle serial port server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003ctd\u003eDC 9~24V\u003c\/td\u003e\n\u003ctd\u003e87.0×36.0×59.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs485-to-eth-b.htm?sku=23273\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS485-TO-POE-ETH-B-1_460.jpg\" alt=\"\"\u003e RS485 TO POE ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePoE network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eSingle serial port server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\n\u003ctd\u003e87.0×36.0×59.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs485-to-eth-b.htm?sku=30303\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS485-TO-ETH-C-1_460.jpg\" alt=\"\"\u003e RS485 TO ETH (C)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eSingle serial port server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\n\u003ctd\u003e87.0×36.0×59.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs232-to-eth-b.htm?sku=23950\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS232-TO-ETH-B-1_460.jpg\" alt=\"\"\u003e RS232 TO ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eSingle serial port server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\n\u003ctd\u003e87.0×36.0×59.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs232-to-eth-b.htm?sku=23951\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS232-TO-POE-ETH-B-1_460.jpg\" alt=\"\"\u003e RS232 TO POE ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePoE network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eSingle serial port server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\n\u003ctd\u003e87.0×36.0×59.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs232-485-422-to-poe-eth-b.htm?sku=24759\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS232-485-422-TO-ETH-B-1_460.jpg\" alt=\"\"\u003e RS232\/485\/422 TO ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eRS232\/485\/422 choose one, single serial port server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + DC 5.5 power port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\n\u003ctd\u003e88.7×72.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs232-485-422-to-poe-eth-b.htm?sku=23626\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS232-485-422-TO-POE-ETH-B-1_460.jpg\" alt=\"\"\u003e RS232\/485\/422 TO POE ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePoE network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eRS232\/485\/422 choose one, single serial port server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + PoE port + DC 5.5 power port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\n\u003ctd\u003e88.7×72.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/2-ch-rs485-to-eth-b.htm?sku=24962\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/2-CH-RS485-TO-ETH-B-1_460.jpg\" alt=\"\"\u003e 2-CH RS485 TO ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eDual serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + DC 5.5 power port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\n\u003ctd\u003e78.0×72.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/2-ch-rs485-to-eth-b.htm?sku=24963\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/2-CH-RS485-TO-POE-ETH-B-1_460.jpg\" alt=\"\"\u003e 2-CH RS485 TO POE ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePoE network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eDual serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + PoE port + DC 5.5 power port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\n\u003ctd\u003e78.0×72.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs232-rs485-to-eth-b.htm?sku=25108\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS232-RS485-TO-ETH-B-1_460.jpg\" alt=\"\"\u003e RS232 RS485 TO ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eDual serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + DC 5.5 power port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\n\u003ctd\u003e78.0×72.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/rs232-rs485-to-eth-b.htm?sku=25391\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/RS232-RS485-TO-POE-ETH-B-1_460.jpg\" alt=\"\"\u003e RS232 RS485 TO POE ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePoE network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003eDual serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + PoE port + DC 5.5 power port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\n\u003ctd\u003e78.0×72.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/4-ch-rs485-to-eth-b.htm?sku=26360\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/4-CH-RS485-TO-ETH-B-1_460.jpg\" alt=\"\"\u003e 4-CH RS485 TO ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003e4 serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\n\u003ctd\u003e91.0×64.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/4-ch-rs485-to-eth-b.htm?sku=26361\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/4-CH-RS485-TO-POE-ETH-B-1_460.jpg\" alt=\"\"\u003e 4-CH RS485 TO POE ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePoE network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003e4 serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\n\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\n\u003ctd\u003e91.0×64.5×24.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/8-ch-rs485-to-eth-b.htm?sku=31077\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/8-CH-RS485-TO-ETH-B-1_460.jpg\" alt=\"\"\u003e 8-CH RS485 TO ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003e8 serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003ctd\u003eDC 7V~36V\u003c\/td\u003e\n\u003ctd\u003e93×103.5×29.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/8-ch-rs485-to-eth-b.htm?sku=31078\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-ETH-Table-Images\/8-CH-RS485-TO-POE-ETH-B-1_460.jpg\" alt=\"\"\u003e 8-CH RS485 TO POE ETH (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ePoE network port\u003c\/td\u003e\n\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\n\u003ctd\u003e8 serial ports server\u003c\/td\u003e\n\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\n\u003ctd\u003eDC 7V~36V\u003c\/td\u003e\n\u003ctd\u003e93×103.5×29.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003cdiv class=\"msg msg_warning\"\u003e\u003cp\u003eThe power supply is not included, it is recommended to use with a \u003ca target=\"_blank\" href=\"https:\/\/www.waveshare.com\/ord-psu-12v2a-5.5-2.1.htm\"\u003e12V Power Adapter\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eRS232 RS485 TO ETH (B)\u003c\/h2\u003e\u003col\u003e\u003cli\u003eRS232 RS485 TO ETH (B) x1\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv\u003e1\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-ETH-B-details-pack_220.jpg\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"sep0px\"\u003e\u003c\/div\u003e\u003ch2\u003eRS232 RS485 TO POE ETH (B)\u003c\/h2\u003e\u003col\u003e\u003cli\u003eRS232 RS485 TO POE ETH (B) x1\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv\u003e1\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-RS485-TO-ETH-B\/RS232-RS485-TO-POE-ETH-B-details-pack_220.jpg\"\u003e\n\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568463077713,"sku":"WSAL25108","price":13541.07,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal251081-448761.jpg?v=1776674487","url":"https:\/\/albistech.eu\/products\/rs232-rs485-to-rj45-ethernet-serial-server-rs232-and-rs485-dual-channels-independent-operation-dual-ethernet-ports","provider":"Albistech","version":"1.0","type":"link"}