{"product_id":"8-ch-rs485-to-rj45-ethernet-serial-server-8-channels-rs485-independent-operation-rail-mount-industrial-isolated-serial-module-optional-poe-function","title":"8-Ch RS485 to RJ45 Ethernet Serial Server, 8 Channels RS485 Independent Operation, Rail-mount Industrial Isolated Serial Module, Optional PoE Function","description":"\u003cdiv class=\"overviewSec\"\u003e8-Ch RS485 to RJ45 Ethernet Serial Server, 8 Channels RS485 Independent Operation, Rail-mount Industrial Isolated Serial Module, Bi-directional Transparent Transmission, Modbus Gateway, optional PoE function\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\u003cdiv class=\"pdT\" style=\"background: #e1e2f6;\"\u003e\u003cdiv class=\"richTitle pdTRBL\"\u003eIndustrial Isolated 8-Ch RS485 to RJ45 Ethernet Serial Server\u003c\/div\u003e\u003cp class=\"hilitBlock2 round1234\" style=\"background: #7099D1; color: #fff;\"\u003e8-Ch RS485 to Ethernet, Modbus \/ MQTT \/ JSON Support, Rail-mount Metal Case\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-1.jpg\"  alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, front view\" \/\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-3.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, features\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #EBECEF;\"\u003e\u003cdiv class=\"richTitle\"\u003eFeatures\u003c\/div\u003e\u003cdiv class=\"alignl pdTRBL\"\u003e\u003cp\u003eThis is an industrial-grade, multi-functional serial device data acquisitor \/ IoT gateway with 8-Ch RS485 and dual Ethernet ports (PoE version optional). Compact in size, easy to install, and cost-effective, it is ideal for applications like data acquisition, IoT gateway, safety \u0026 security IoT, and intelligent instrument monitoring, meeting various application scenarios.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e8-ch independent RS485 ports, each configurable with different baud rates and operating without interference\u003c\/li\u003e\u003cli\u003eSupports TCP server, TCP client, UDP, and UDP multicast modes\u003c\/li\u003e\u003cli\u003eCombines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc.\u003c\/li\u003e\u003cli\u003eAdopts screw terminal for stable power input\u003c\/li\u003e\u003cli\u003eOnboard dual Ethernet ports enable network switching functionality (PoE version optional)\u003c\/li\u003e\u003cli\u003eMultiple LEDs for real-time monitoring of device status\u003c\/li\u003e\u003cli\u003eWall-mount and rail-mount case design, easy to install, for quick deployment and expansion\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #EBECEF;\"\u003e\u003cdiv class=\"richTitle\"\u003eVersion Options\u003c\/div\u003e\u003cdiv class=\"richGridWrap richGridWrap-2c richGridWrap-valignTop mgnTB\"\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-5-1.jpg\" class=\"round1234\" alt=\"8-Ch RS485 TO ETH (B)\" \/\u003e\u003cp\u003e\u003cstrong\u003e8-Ch RS485 TO ETH (B)\u003c\/strong\u003e8-Ch RS485 + dual common network ports + Electrical isolation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-5-2.jpg\" class=\"round1234\" alt=\"8-Ch RS485 TO POE ETH (B)\" \/\u003e\u003cp\u003e\u003cstrong\u003e8-Ch RS485 TO POE ETH (B)\u003c\/strong\u003e    8-Ch RS485 + dual PoE network ports + Electrical isolation\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\u003ctable class=\"tabSty-2 mgnTB subBlock alignl\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth rowspan=\"2\"\u003e\u003c\/th\u003e\u003cth\u003e8-Ch RS485 TO ETH (B)\u003c\/th\u003e\u003cth\u003e8-Ch RS485 TO POE ETH (B)\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e8-Ch RS485 + dual common network ports + Electrical isolation\u003c\/td\u003e\u003ctd\u003e8-Ch RS485 + dual PoE network ports + Electrical isolation\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eSerial server, Modbus Gateway, MQTT Gateway\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eBasic Function\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eBi-directional transparent data transmission between RS485 and Ethernet\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eCommunication interface\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eRS485 port × 8, Ethernet port × 2\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDC 7V ~ 36V screw terminal\u003c\/td\u003e\u003ctd\u003eDC 7V ~ 36V screw terminal, or PoE port\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eIsolation Protection\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd rowspan=\"2\"\u003e\u003cstrong\u003eEthernet\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eRJ45\u003c\/td\u003e\u003ctd\u003eRJ45 with PoE support, IEEE 802.3af compliant\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd colspan=\"2\"\u003e10 \/ 100M auto-negotiation RJ45 connectors, 2 KV surge protection\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSerial port\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eisolated RS485 (the 8 channels can receive and transmit independently at the same time)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eSerial specification\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eBaudrate\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003e300 ~ 115200 bps\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eParity bit\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003enone, odd, even, mark, space\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eData bit\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003e5 ~ 9 bits\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFlow control\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eN\/A\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003ehost, web browser, device management functions library\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eCommunication method\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eTCP\/IP direct communication, VCOM\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eOperating mode\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eTCP server, TCP client (coexisting with TCP server), UDP, UDP multicast\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eothers\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003e-40℃ ~ 85℃\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eHumidity range\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003e5% ~ 95% relative humidity\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\u003ctd colspan=\"2\"\u003eL × W × H: 93 × 103.5 × 29.7 mm\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #e9eff7;\"\u003e\u003cdiv class=\"richTitle\"\u003eSupports Ethernet Port Cascade and PoE cascade power supply\u003c\/div\u003e\u003cp class=\"richDesc pdTRBL\"\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\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-6.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, supports Ethernet Port Cascade and PoE cascade power supply\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #E9F0F8;\"\u003e\u003cdiv class=\"richTitle\"\u003ePrimary function\u003c\/div\u003e\u003cp class=\"richDesc\"\u003ebi-directional transparent data transmission between 8-Ch RS485 and Ethernet\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-7.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, primary function\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #E1EDFB;\"\u003e\u003cdiv class=\"richTitle\"\u003eMulti Power Supply Options\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eSupports PoE Ethernet port power supply*, Suitable for IEEE 802.3af PoE standard;Supports Screw Terminal for Power Supply, DC 7V~36V Wide Voltage Range Input\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-9.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, multi power supply options\" \/\u003e\u003cp class=\"note\"\u003e* This function is only available on the PoE version\u003c\/p\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eIndustrial Serial Server\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eIndustrial Rail-mount Design, Support Wall-mount and Rail-mount Installation, Compact Size, Easy Installation, Cost-Effective \u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-13.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, support wall-mount and rail-mount installation\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #ebecef;\"\u003e\u003cdiv class=\"richTitle\"\u003eInstallation Selection\u003c\/div\u003e\u003cp class=\"pdTRBL alignl\"\u003eWhen using rail-mount installation method, you can remove the wall-mount brackets or install them on the back of the case as shown in the picture below;When using wall-mount installation, you need to remove the rail-mount buckle.\u003c\/p\u003e\u003cdiv class=\"richGridWrap richGridWrap-2c richGridWrap-valignTop mgnTB\"\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-12-1.jpg\" class=\"round1234\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, using rail-mount installation method\" \/\u003e\u003cp\u003e\u003cstrong\u003eRail-mount Installation\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-12-2.jpg\" class=\"round1234\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, using wall-mount installation method\"  \/\u003e\u003cp\u003e\u003cstrong\u003eWall-mount Installation\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #D4E2ED;\"\u003e\u003cdiv class=\"richTitle\"\u003eModbus gateway support\u003c\/div\u003e\u003cp class=\"richDesc\"\u003esuitable for Modbus networking upgrade, Can Be Used With specific Configuration Software\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-15.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, Modbus gateway support\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #A0D8F3;\"\u003e\u003cdiv class=\"richTitle\"\u003eMulti communication modes\u003c\/div\u003e\u003cp class=\"richDesc\"\u003esupports TCP server \/ TCP client \/ UDP multicast \/ UDP mode\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-17-1.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, TCP server \/ TCP client modes\" \/\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-17-2.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, UDP multicast \/ UDP modes\" \/\u003e\u003cp class=\"note\"\u003e* Note: This module is 8-Channel, and each channel supports the above functions separately\u003c\/p\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eMQTT\/JSON to Modbus\u003c\/div\u003e\u003cp class=\"richDesc\"\u003emore flexible conversion between different protocols\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-19.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, more flexible conversion between different protocols\" \/\u003e\u003cdiv class=\"alignl subBlock pdTRBL2\"\u003e\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 MQTT data packet for uploading.\u003c\/p\u003e\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\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #E6F4FF;\"\u003e\u003cdiv class=\"richTitle\"\u003eMulti hosts roll-polling support\u003c\/div\u003e\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\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-21.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, multi hosts roll-polling support\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #DAEEF7;\"\u003e\u003cdiv class=\"richTitle\"\u003eUser-defined heartbeat\/registration packet\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eeasy for cloud communication and device identification\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-23.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, user-defined heartbeat\/registration packet support\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #000000; color: #fff;\"\u003e\u003cdiv class=\"richTitle\"\u003eNTP protocol support\u003c\/div\u003e\u003cp class=\"richDesc\"\u003egetting network time info for serial output or data upload\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-25.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, NTP protocol support\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #E6F4FF;\"\u003e\u003cdiv class=\"richTitle\"\u003eMulti configuration methods\u003c\/div\u003e\u003cp class=\"richDesc\"\u003esupports Web browser configuration, obtaining dynamic IP via DHCP,DNS protocol connected domain server address\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-27.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, supports multi configuration methods\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eMultiple Protection, Safe And Stable\u003c\/div\u003e\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, improves shock proof performance\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-29.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, onboard multiple protection\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eAluminium Alloy Enclosure\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eAluminium Alloy Enclosure With Sand Blasting And Anodic OxidationSolid And Durable, Fashion And Good Hand Feeling\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-31.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, adopts Aluminium Alloy case\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eInterface introduction\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-inter.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, interface introduction\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eProduct show\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-33.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, product show\" \/\u003e\u003cp class=\"note\"\u003e* for reference only, please refer to the Package Content for detailed part list\u003c\/p\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eOutline dimensions\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-details-size.jpg\" alt=\"8-Ch RS485 to RJ45 Ethernet Serial Server, outline dimensions\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #E4EEFA;\"\u003e\u003cdiv class=\"richTitle\"\u003eSupport Batch Customization\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eSupport software and hardware customizationIncluding hardware interface, LOGO, label, case and web page, etc.\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/4-CH-RS485-TO-ETH-B-details-35.jpg\"  \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\" \/\u003e\u003cdiv class=\"bgGrey\"\u003e\u003cstrong\u003eWiki:\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/8-CH_RS485_TO_POE_ETH_(B)\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/8-Ch_RS485_TO_POE_ETH_(B)\u003c\/a\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eSelection guide\u003c\/div\u003e\u003cdiv class=\"scrollWrap\"\u003e\u003ctable class=\"tabSty-2 subBlock alignc mgnTB\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth style=\"width: 25%;\"\u003eModel\u003c\/th\u003e\u003cth\u003enetwork port\u003c\/th\u003e\u003cth\u003eIsolation Protection\u003c\/th\u003e\u003cth\u003eSerial Port Type\u003c\/th\u003e\u003cth\u003ePower Supply methods\u003c\/th\u003e\u003cth\u003eVoltage Range\u003c\/th\u003e\u003cth\u003eDimensions (L \u0026times; W \u0026times; H)\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003e-\u003c\/td\u003e\u003ctd\u003eSingle serial port server\u003c\/td\u003e\u003ctd\u003eScrew terminal\u003c\/td\u003e\u003ctd\u003eDC 9~24V\u003c\/td\u003e\u003ctd\u003e87.0\u0026times;36.0\u0026times;59.0mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003ePoE network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eSingle serial port server\u003c\/td\u003e\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\u003ctd\u003e87.0\u0026times;36.0\u0026times;59.0mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eSingle serial port server\u003c\/td\u003e\u003ctd\u003eScrew terminal\u003c\/td\u003e\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\u003ctd\u003e87.0\u0026times;36.0\u0026times;59.0mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eSingle serial port server\u003c\/td\u003e\u003ctd\u003eScrew terminal\u003c\/td\u003e\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\u003ctd\u003e87.0\u0026times;36.0\u0026times;59.0mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003ePoE network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eSingle serial port server\u003c\/td\u003e\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\u003ctd\u003e87.0\u0026times;36.0\u0026times;59.0mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eRS232\/485\/422 choose one, single serial port server\u003c\/td\u003e\u003ctd\u003eScrew terminal + DC 5.5 power port\u003c\/td\u003e\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\u003ctd\u003e88.7\u0026times;72.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003ePoE network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eRS232\/485\/422 choose one, single serial port server\u003c\/td\u003e\u003ctd\u003eScrew terminal + PoE port + DC 5.5 power port\u003c\/td\u003e\u003ctd\u003eDC 6V~36V\u003c\/td\u003e\u003ctd\u003e88.7\u0026times;72.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eDual serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal + DC 5.5 power port\u003c\/td\u003e\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\u003ctd\u003e78.0\u0026times;72.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003ePoE network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eDual serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal + PoE port + DC 5.5 power port\u003c\/td\u003e\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\u003ctd\u003e78.0\u0026times;72.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eDual serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal + DC 5.5 power port\u003c\/td\u003e\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\u003ctd\u003e78.0\u0026times;72.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003ePoE network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003eDual serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal + PoE port + DC 5.5 power port\u003c\/td\u003e\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\u003ctd\u003e78.0\u0026times;72.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003e4 serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal\u003c\/td\u003e\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\u003ctd\u003e91.0\u0026times;64.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003ePoE network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003e4 serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\u003ctd\u003eDC 6V~40V\u003c\/td\u003e\u003ctd\u003e91.0\u0026times;64.5\u0026times;24.2mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003eCommon network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003e8 serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal\u003c\/td\u003e\u003ctd\u003eDC 7V~36V\u003c\/td\u003e\u003ctd\u003e93\u0026times;103.5\u0026times;29.7mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\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\u003ctd\u003ePoE network port\u003c\/td\u003e\u003ctd\u003ePower isolation, Signal isolation\u003c\/td\u003e\u003ctd\u003e8 serial ports server\u003c\/td\u003e\u003ctd\u003eScrew terminal + PoE port\u003c\/td\u003e\u003ctd\u003eDC 7V~36V\u003c\/td\u003e\u003ctd\u003e93\u0026times;103.5\u0026times;29.7mm\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003ch2\u003e8-Ch RS485 TO ETH (B)\u003c\/h2\u003e\u003cp\u003e8-Ch RS485 TO ETH (B) x1\u003c\/p\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-ETH-B-pack.jpg\" alt=\"8-Ch RS485 TO ETH (B)\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"sep0px\"\u003e\u003c\/div\u003e\u003ch2\u003e8-Ch RS485 TO POE ETH (B)\u003c\/h2\u003e\u003cdiv class=\"msg msg_warning\"\u003e  This version supports PoE function, and power supply adapter is NOT included.  \u003c\/div\u003e\u003cp\u003e8-Ch RS485 TO POE ETH (B) x1\u003c\/p\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/8-CH-RS485-TO-ETH-B\/8-CH-RS485-TO-POE-ETH-B-pack.jpg\" alt=\"8-Ch RS485 TO POE ETH (B)\" \/\u003e\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568517931345,"sku":"WSAL31077","price":37471.8,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal310771-472605.jpg?v=1776684740","url":"https:\/\/albistech.eu\/de\/products\/8-ch-rs485-to-rj45-ethernet-serial-server-8-channels-rs485-independent-operation-rail-mount-industrial-isolated-serial-module-optional-poe-function","provider":"Albistech","version":"1.0","type":"link"}