{"id":8934419792025,"title":"4-Ch RS485 to RJ45 Ethernet with POE Serial Server Adapter Industrial Isolated Serial Module, 4-CH Independent RS485, Support Modbus Gateway\/MQTT\/JSON, Bi-Directional Transparent Transmission","handle":"4-ch-rs485-to-rj45-ethernet-with-poe-serial-server-adapter-industrial-isolated-serial-module-4-ch-independent-rs485-support-modbus-gateway-mqtt-json-bi-directional-transparent-transmission","description":"\u003ch3\u003e4-Ch RS485 to RJ45 Ethernet with POE Serial Server Adapter Industrial Isolated Serial Module, 4-CH Independent RS485, Support Modbus Gateway\/MQTT\/JSON, Bi-Directional Transparent Transmission\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eOverview This is a multi-functional device data acquisitor \/ IoT gateway with\n4-ch RS485 and an Ethernet port with POE , small in size, easy to install, and\ncost-effective. It is suitable for applications like data acquisition, IoT\ngateway, safety \u0026amp; security IoT, and intelligent instrument monitoring, meeting\nvarious application scenarios. Specifications 1. Basic Introduction Product\nType: Serial server, Modbus Gateway, MQTT Gateway Basic Function: Bi-\ndirectional transparent data transmission between RS485 and Ethernet\nCommunication interface: RS485 port x 4, Ethernet port x 1 Power supply: DC 6\n~ 45V screw terminal, or PoE port Isolation Protection: Power isolation,\nSignal isolation 2. Communication Ethernet: RJ45 with PoE support, IEEE\n802.3af compliant, 10 \/ 100M auto-negotiation RJ45 connector, 2 KV surge\nprotection Serial port: Isolated RS485 (the 4 channels can receive and\ntransmit independently at the same time) 3. Serial specification Baudrate: 300\n~ 115200 bps Parity bit: none, odd, even, mark, space Data bit: 5 ~ 9 bits 4.\nSoftware Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS\nConfiguration: host, web browser, device management functions library\nCommunication method: TCP\/IP direct communication, VCOM Operating mode: TCP\nserver, TCP client (coexisting with TCP server), UDP, UDP multicast 5. Others\nOperating temperature : -40℃ ~ 85℃ Humidity range: 5% ~ 95% relative humidity\nDimensions: L × W × H: 91.0 × 64.5 × 24.2 mm Online Development Resources\n\/User Manual : bit.ly\/3NGN9Sb Package Content 4-CH RS485 TO POE ETH (B) x1\nRail-mount buckle x1 Screwdriver x1 Screws pack x1\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eThis is a multi-functional device data acquisitor \/ IoT gateway with 4-ch RS485 and an Ethernet port with POE, small in size, easy to install, and cost-effective. Bi-directional transparent data transmission between 4-Ch RS485 and Ethernet. 4-ch RS485 can work independently without affecting each other at the same time, enabling more effective data transmission.\u003c\/li\u003e\n \u003cli\u003eMulti Power Supply Options--- Support PoE Ethernet port power supply, Suitable for IEEE 802.3af PoE standard. Support Screw Terminal for Power Supply, DC 6~45V Wide Voltage Range Input .\u003c\/li\u003e\n \u003cli\u003eCombines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc. Suitable for Modbus networking upgrade, can be used with specific configuration software.\u003c\/li\u003e\n \u003cli\u003eMulti hosts roll-polling Support---Different network devices will be identified and responsed respectively, no more crosstalk issue while communicating with multi network devices.\u003c\/li\u003e\n \u003cli\u003eMulti configuration methods--- Supports Web browser configuration, obtaining dynamic IP via DHCP, DNS protocol connected domain server address.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-08-26T23:03:56+10:00","created_at":"2026-08-26T19:20:25+10:00","vendor":"waveshare","type":"Serial Adapters","tags":["electronics_selected_Aug2026"],"price":29500,"price_min":29500,"price_max":29500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48937034317977,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0CR1G7Q8F","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"4-Ch RS485 to RJ45 Ethernet with POE Serial Server Adapter Industrial Isolated Serial Module, 4-CH Independent RS485, Support Modbus Gateway\/MQTT\/JSON, Bi-Directional Transparent Transmission","public_title":null,"options":["Default Title"],"price":29500,"weight":210,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/soundstores.net\/cdn\/shop\/files\/B0CR1G7Q8F.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/61nD9lekExL.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/615Vm-zlnBL.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/71dEf63-ktL.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/719MC_jFbHL.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/61M9wKrap1L.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/71bFnYmwshL.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/71fMrE-XjFL.jpg?v=1787736028","\/\/soundstores.net\/cdn\/shop\/files\/713L1uHRAVL.jpg?v=1787736028"],"featured_image":"\/\/soundstores.net\/cdn\/shop\/files\/B0CR1G7Q8F.jpg?v=1787736028","options":["Title"],"media":[{"alt":null,"id":37277505421465,"position":1,"preview_image":{"aspect_ratio":1.334,"height":1601,"width":2135,"src":"\/\/soundstores.net\/cdn\/shop\/files\/B0CR1G7Q8F.jpg?v=1787736028"},"aspect_ratio":1.334,"height":1601,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/B0CR1G7Q8F.jpg?v=1787736028","width":2135},{"alt":null,"id":37277505454233,"position":2,"preview_image":{"aspect_ratio":1.333,"height":1080,"width":1440,"src":"\/\/soundstores.net\/cdn\/shop\/files\/61nD9lekExL.jpg?v=1787736028"},"aspect_ratio":1.333,"height":1080,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/61nD9lekExL.jpg?v=1787736028","width":1440},{"alt":null,"id":37277505487001,"position":3,"preview_image":{"aspect_ratio":1.094,"height":1080,"width":1181,"src":"\/\/soundstores.net\/cdn\/shop\/files\/615Vm-zlnBL.jpg?v=1787736028"},"aspect_ratio":1.094,"height":1080,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/615Vm-zlnBL.jpg?v=1787736028","width":1181},{"alt":null,"id":37277505519769,"position":4,"preview_image":{"aspect_ratio":0.875,"height":1234,"width":1080,"src":"\/\/soundstores.net\/cdn\/shop\/files\/71dEf63-ktL.jpg?v=1787736028"},"aspect_ratio":0.875,"height":1234,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/71dEf63-ktL.jpg?v=1787736028","width":1080},{"alt":null,"id":37277505552537,"position":5,"preview_image":{"aspect_ratio":1.524,"height":1080,"width":1646,"src":"\/\/soundstores.net\/cdn\/shop\/files\/719MC_jFbHL.jpg?v=1787736028"},"aspect_ratio":1.524,"height":1080,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/719MC_jFbHL.jpg?v=1787736028","width":1646},{"alt":null,"id":37277505585305,"position":6,"preview_image":{"aspect_ratio":1.094,"height":1080,"width":1181,"src":"\/\/soundstores.net\/cdn\/shop\/files\/61M9wKrap1L.jpg?v=1787736028"},"aspect_ratio":1.094,"height":1080,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/61M9wKrap1L.jpg?v=1787736028","width":1181},{"alt":null,"id":37277505618073,"position":7,"preview_image":{"aspect_ratio":1.02,"height":1080,"width":1102,"src":"\/\/soundstores.net\/cdn\/shop\/files\/71bFnYmwshL.jpg?v=1787736028"},"aspect_ratio":1.02,"height":1080,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/71bFnYmwshL.jpg?v=1787736028","width":1102},{"alt":null,"id":37277505650841,"position":8,"preview_image":{"aspect_ratio":1.83,"height":1080,"width":1976,"src":"\/\/soundstores.net\/cdn\/shop\/files\/71fMrE-XjFL.jpg?v=1787736028"},"aspect_ratio":1.83,"height":1080,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/71fMrE-XjFL.jpg?v=1787736028","width":1976},{"alt":null,"id":37277505683609,"position":9,"preview_image":{"aspect_ratio":1.463,"height":1080,"width":1580,"src":"\/\/soundstores.net\/cdn\/shop\/files\/713L1uHRAVL.jpg?v=1787736028"},"aspect_ratio":1.463,"height":1080,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/713L1uHRAVL.jpg?v=1787736028","width":1580}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e4-Ch RS485 to RJ45 Ethernet with POE Serial Server Adapter Industrial Isolated Serial Module, 4-CH Independent RS485, Support Modbus Gateway\/MQTT\/JSON, Bi-Directional Transparent Transmission\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eOverview This is a multi-functional device data acquisitor \/ IoT gateway with\n4-ch RS485 and an Ethernet port with POE , small in size, easy to install, and\ncost-effective. It is suitable for applications like data acquisition, IoT\ngateway, safety \u0026amp; security IoT, and intelligent instrument monitoring, meeting\nvarious application scenarios. Specifications 1. Basic Introduction Product\nType: Serial server, Modbus Gateway, MQTT Gateway Basic Function: Bi-\ndirectional transparent data transmission between RS485 and Ethernet\nCommunication interface: RS485 port x 4, Ethernet port x 1 Power supply: DC 6\n~ 45V screw terminal, or PoE port Isolation Protection: Power isolation,\nSignal isolation 2. Communication Ethernet: RJ45 with PoE support, IEEE\n802.3af compliant, 10 \/ 100M auto-negotiation RJ45 connector, 2 KV surge\nprotection Serial port: Isolated RS485 (the 4 channels can receive and\ntransmit independently at the same time) 3. Serial specification Baudrate: 300\n~ 115200 bps Parity bit: none, odd, even, mark, space Data bit: 5 ~ 9 bits 4.\nSoftware Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS\nConfiguration: host, web browser, device management functions library\nCommunication method: TCP\/IP direct communication, VCOM Operating mode: TCP\nserver, TCP client (coexisting with TCP server), UDP, UDP multicast 5. Others\nOperating temperature : -40℃ ~ 85℃ Humidity range: 5% ~ 95% relative humidity\nDimensions: L × W × H: 91.0 × 64.5 × 24.2 mm Online Development Resources\n\/User Manual : bit.ly\/3NGN9Sb Package Content 4-CH RS485 TO POE ETH (B) x1\nRail-mount buckle x1 Screwdriver x1 Screws pack x1\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eThis is a multi-functional device data acquisitor \/ IoT gateway with 4-ch RS485 and an Ethernet port with POE, small in size, easy to install, and cost-effective. Bi-directional transparent data transmission between 4-Ch RS485 and Ethernet. 4-ch RS485 can work independently without affecting each other at the same time, enabling more effective data transmission.\u003c\/li\u003e\n \u003cli\u003eMulti Power Supply Options--- Support PoE Ethernet port power supply, Suitable for IEEE 802.3af PoE standard. Support Screw Terminal for Power Supply, DC 6~45V Wide Voltage Range Input .\u003c\/li\u003e\n \u003cli\u003eCombines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc. Suitable for Modbus networking upgrade, can be used with specific configuration software.\u003c\/li\u003e\n \u003cli\u003eMulti hosts roll-polling Support---Different network devices will be identified and responsed respectively, no more crosstalk issue while communicating with multi network devices.\u003c\/li\u003e\n \u003cli\u003eMulti configuration methods--- Supports Web browser configuration, obtaining dynamic IP via DHCP, DNS protocol connected domain server address.\u003c\/li\u003e\n \u003c\/ul\u003e"}