{"id":217018,"date":"2023-12-01T13:59:52","date_gmt":"2023-12-01T12:59:52","guid":{"rendered":"https:\/\/raspberrypi.dk\/produkt\/rs232-485-422-til-rj45-ethernet-module\/"},"modified":"2025-12-12T10:04:56","modified_gmt":"2025-12-12T09:04:56","slug":"rs232-485-422-til-rj45-ethernet-module","status":"publish","type":"product","link":"https:\/\/raspberrypi.dk\/no\/produkt\/rs232-485-422-til-rj45-ethernet-module\/","title":{"rendered":"RS232\/485\/422 til RJ45 Ethernet Module"},"content":{"rendered":"<div class=\"pdT\">\n<h3 class=\"richTitle\">RS232 \/ 485 \/ 422 To RJ45 Ethernet Module<\/h3>\n<p class=\"hilitBlock2 round1234\">Industrial Isolated, Rail-mount RS232\/485\/422 Serial Server<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-1.jpg\" \/>\u00a0<img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-2.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<div><\/div>\n<h3 class=\"richTitle\">Features At A Glance<\/h3>\n<div class=\"alignl pdTRBL\">\n<p>This is a RS232\/485\/422 device data acquisitor \/ IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. The module features RS232\/485\/422 and Ethernet port (PoE function optional), uses DC port (outer diameter: 5.5mm, inner diameter: 2.1mm) and screw terminals for power input. The case with rail-mount support, small in size, easy to install, cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety &amp; security IoT, and intelligent instrument monitoring&#8230;<\/p>\n<\/div>\n<\/div>\n<div class=\"pdT\">\n<h3 class=\"richTitle\">Version Option<\/h3>\n<div class=\"richGridWrap richGridWrap-2c richGridWrap-valignTop mgnTB\">\n<div><img decoding=\"async\" class=\"round1234\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-460.jpg\" \/><strong>RS232\/485\/422 TO POE ETH (B)<\/strong><br \/>\nPoE network port + Electrical isolation<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div>\n<h3 class=\"richTitle\">Specifications<\/h3>\n<table class=\"tabSty-2 mgnTB subBlock alignl\">\n<tbody>\n<tr>\n<th rowspan=\"2\"><\/th>\n<th>RS485 TO ETH (B)<\/th>\n<th>RS485 TO POE<br \/>\nETH (B)<\/th>\n<th>RS232\/485\/422<br \/>\nTO ETH (B)<\/th>\n<th>RS232\/485\/422<br \/>\nTO POE ETH (B)<\/th>\n<\/tr>\n<tr>\n<td>Common network port<\/td>\n<td>PoE network port + Electrical isolation<\/td>\n<td>Multi interfaces + common network port + Electrical isolation<\/td>\n<td>Multi interfaces + PoE network port + Electrical isolation<\/td>\n<\/tr>\n<tr>\n<td><strong>Product Type<\/strong><\/td>\n<td colspan=\"4\">Serial server, Modbus Gateway, MQTT Gateway<\/td>\n<\/tr>\n<tr>\n<td><strong>Basic Function<\/strong><\/td>\n<td colspan=\"2\">Bi-directional transparent data transmission between RS485 and Ethernet<\/td>\n<td colspan=\"2\">Bi-directional transparent data transmission between RS232\/485\/422 and Ethernet<\/td>\n<\/tr>\n<tr>\n<td><strong>Communication interface<\/strong><\/td>\n<td colspan=\"2\">RS485 port \u00d7 1, Ethernet port \u00d7 1<\/td>\n<td colspan=\"2\">RS232 port \u00d7 1; RS485 port \u00d7 1; RS422 port \u00d7 1; Ethernet port \u00d7 1<\/td>\n<\/tr>\n<tr>\n<td><strong>Power supply<\/strong><\/td>\n<td>9 ~ 24V DC screw terminal<\/td>\n<td>6 ~ 36V DC screw terminal, or PoE port<\/td>\n<td>DC power port, 6 ~ 36V DC screw terminal<\/td>\n<td>DC power port, 6 ~ 36V DC screw terminal, or PoE port<\/td>\n<\/tr>\n<tr>\n<td><strong>Isolation Protection<\/strong><\/td>\n<td>N\/C<\/td>\n<td colspan=\"3\">Power isolation, Signal isolation<\/td>\n<\/tr>\n<tr>\n<th colspan=\"5\"><strong>COMMUNICATION<\/strong><\/th>\n<\/tr>\n<tr>\n<td rowspan=\"2\"><strong>Ethernet<\/strong><\/td>\n<td>common network port<\/td>\n<td>PoE network port, support IEEE 802.3af standard<\/td>\n<td>common network port<\/td>\n<td>PoE network port, support IEEE 802.3af standard<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">10 \/ 100M auto-negotiation RJ45 connector, 2 KV surge protection<\/td>\n<\/tr>\n<tr>\n<td><strong>Serial port<\/strong><\/td>\n<td>RS485<\/td>\n<td>Isolated RS485<\/td>\n<td colspan=\"2\">Isolated RS232\/485\/422<\/td>\n<\/tr>\n<tr>\n<th colspan=\"5\"><strong>SERIAL SPECIFICATION<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>Baudrate<\/strong><\/td>\n<td colspan=\"4\">300 ~ 115200 bps<\/td>\n<\/tr>\n<tr>\n<td><strong>Parity bit<\/strong><\/td>\n<td colspan=\"4\">none, odd, even, mark, space<\/td>\n<\/tr>\n<tr>\n<td><strong>Data bit<\/strong><\/td>\n<td colspan=\"4\">5 ~ 9 bits<\/td>\n<\/tr>\n<tr>\n<td><strong>Flow control<\/strong><\/td>\n<td colspan=\"4\">N\/A<\/td>\n<\/tr>\n<tr>\n<th colspan=\"5\"><strong>SOFTWARE<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>Protocol<\/strong><\/td>\n<td colspan=\"4\">ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS<\/td>\n<\/tr>\n<tr>\n<td><strong>Configuration<\/strong><\/td>\n<td colspan=\"4\">host, web browser, device management functions library<\/td>\n<\/tr>\n<tr>\n<td><strong>Communication method<\/strong><\/td>\n<td colspan=\"4\">TCP\/IP direct communication, VCOM<\/td>\n<\/tr>\n<tr>\n<td><strong>Operating mode<\/strong><\/td>\n<td colspan=\"4\">TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast<\/td>\n<\/tr>\n<tr>\n<th colspan=\"5\"><strong>ENVIRONMENT REQUIREMENT<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>Operating temperature<\/strong><\/td>\n<td colspan=\"4\">-40\u2103 ~ 85\u2103<\/td>\n<\/tr>\n<tr>\n<td><strong>Humidity range<\/strong><\/td>\n<td colspan=\"4\">5% ~ 95% relative humidity<\/td>\n<\/tr>\n<tr>\n<td><strong>Dimensions<\/strong><\/td>\n<td colspan=\"2\">L \u00d7 W \u00d7 H: 87 \u00d7 36 \u00d7 59 mm<\/td>\n<td colspan=\"2\">L \u00d7 W \u00d7 H: 88.7 \u00d7 72.5 \u00d7 24.2 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"pdT\">\n<h3 class=\"richTitle\">Primary Function<\/h3>\n<p class=\"richDesc\">Bi-Directional Transparent Data Transmission Between RS232\/485\/422 And Ethernet<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-3.jpg\" \/><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div>\n<h3 class=\"richTitle\">Three Different Interfaces<\/h3>\n<p class=\"richDesc\">Onboard RS232 \/ 485 \/ 422 Interfaces, Suitable For More Application Scenarios<\/p>\n<p class=\"richDesc hilitBlock2 round1234\">Ethernet Port To RS232\/485\/422<\/p>\n<p class=\"richDesc\">The Ethernet Port Can Send Data To Three Serial Ports At The Same Time<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-4.jpg\" \/><\/p>\n<div><\/div>\n<p class=\"richDesc hilitBlock2 round1234\">RS232 \/ 485 \/ 422 To Ethernet Port<\/p>\n<p class=\"richDesc\">Only One Of The RS232, RS485, And RS422 Can Send Data To The Ethernet Port At The Same Time<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-4-1.jpg\" \/><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"pdT\">\n<h3 class=\"richTitle\">Multi Methods For Power Supply<\/h3>\n<p class=\"richDesc\">Support PoE Ethernet Port Power Supply*, Suitable For IEEE 802.3af PoE Standard<br \/>\nSupport Screw Terminal And DC Power Port For Power Supply, DC 6~36V<br \/>\nWide Voltage Range Input<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-26.jpg\" \/><\/p>\n<p class=\"note\">* This function is only available on the PoE version<\/p>\n<\/div>\n<div class=\"pdT\">\n<h3 class=\"richTitle\">Rail-Mount Support<\/h3>\n<p class=\"richDesc\">Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-5.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<h3 class=\"richTitle\">Modbus Gateway Support<\/h3>\n<p class=\"richDesc\">Suitable For Modbus Networking Upgrade, Can Be Used With Specific Configuration Software<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-7.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<div><\/div>\n<h3 class=\"richTitle\">Multi Communication Modes<\/h3>\n<p class=\"richDesc\">Supports TCP Server \/ TCP Client \/ UDP Mode \/ UDP Multicast<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-9.jpg\" \/>\u00a0<img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-11.jpg\" \/><\/p>\n<\/div>\n<div>\n<div><\/div>\n<h3 class=\"richTitle\">MQTT\/JSON To Modbus<\/h3>\n<p class=\"richDesc\">More Flexible Conversion Between Different Protocols<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-13.jpg\" \/><\/p>\n<div class=\"alignl subBlock pdTRBL2\">\n<p>When 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.<\/p>\n<p>When 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.<\/p>\n<\/div>\n<\/div>\n<div class=\"pdT\">\n<h3 class=\"richTitle\">Multi Hosts Roll-Polling Support<\/h3>\n<p class=\"richDesc\">Different Network Devices Will Be Identified And Responsed Respectively,<br \/>\nNo More Crosstalk Issue While Communicating With Multi Network Devices<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-15.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<div><\/div>\n<h3 class=\"richTitle\">User-Defined Heartbeat\/Registration Packet<\/h3>\n<p class=\"richDesc\">Easy For Cloud Communication And Device Identification<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-17.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<div class=\"richTitle\">NTP Protocol Support<\/div>\n<p class=\"richDesc\">Getting Network Time Info For Serial Output Or Data Upload<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-19.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<div><\/div>\n<h3 class=\"richTitle\">Multi Configuration Methods<\/h3>\n<p class=\"richDesc\">Supports Web Browser Configuration, Obtaining Dynamic IP Via DHCP,<br \/>\nDNS Protocol Connected Domain Server Address<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-21.jpg\" \/><\/p>\n<\/div>\n<div>\n<div><\/div>\n<h3 class=\"richTitle\">Multiple Protection, Safe And Stable<\/h3>\n<p class=\"alignl pdTRBL\">Onboard 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 &amp; 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.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-23.jpg\" \/><\/p>\n<\/div>\n<div>\n<h3 class=\"richTitle\">Aluminium Alloy Enclosure<\/h3>\n<p class=\"richDesc\">Aluminium Alloy Enclosure With Sand Blasting And Anodic Oxidation<br \/>\nSolid And Durable, Fashion And Good Hand Feeling<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-25.jpg\" \/><\/p>\n<\/div>\n<div>\n<div><\/div>\n<h3 class=\"richTitle\">Interface Introduction<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-27.jpg\" \/><\/p>\n<\/div>\n<div>\n<h3 class=\"richTitle\">Product Show<\/h3>\n<p><img decoding=\"async\" class=\"round1234\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-31.jpg\" \/><\/p>\n<\/div>\n<div>\n<div><\/div>\n<h3 class=\"richTitle\">Outline Dimensions<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-size.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<h3 class=\"richTitle\">Support Batch Customization<\/h3>\n<p class=\"richDesc\">Support Software And Hardware Customization<br \/>\nIncluding Hardware Interface, LOGO, Label, Case And Web Page, Etc.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/RS232-485-422-TO-POE-ETH-B\/RS232-485-422-TO-POE-ETH-B-details-29.jpg\" \/><\/p>\n<\/div>\n<div class=\"richTitle\"><\/div>\n<div><\/div>\n<div><strong>Wiki:\u00a0<\/strong><a href=\"http:\/\/www.waveshare.com\/wiki\/RS232\/485\/422_TO_POE_ETH_(B)\" target=\"_blank\" rel=\"noopener\">www.waveshare.com\/wiki\/RS232\/485\/422_TO_POE_ETH_(B)<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Rail-Mount Seriell Server, RS232\/485\/422 til RJ45 Ethernet-modul, TCP\/IP til Seriell. Dette er <strong>varianten med POE-funksjon.<\/strong><\/p>\n","protected":false},"featured_media":205799,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[613],"product_tag":[],"class_list":{"0":"post-217018","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-industriell-raspberry-pi","8":"first","9":"outofstock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"composite_virtual":false,"composite_layout":"","composite_add_to_cart_form_location":"","composite_editable_in_cart":false,"composite_sold_individually_context":"","composite_shop_price_calc":"","composite_components":[],"composite_scenarios":[],"bundled_by":[],"bundle_stock_status":"outofstock","bundle_stock_quantity":0,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RS232\/485\/422 til RJ45 Ethernet Module \u2022 RaspberryPi.dk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/raspberrypi.dk\/no\/produkt\/rs232-485-422-til-rj45-ethernet-module\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RS232\/485\/422 til RJ45 Ethernet Module \u2022 RaspberryPi.dk\" \/>\n<meta property=\"og:description\" content=\"Rail-Mount Seriell Server, RS232\/485\/422 til RJ45 Ethernet-modul, TCP\/IP til Seriell. 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