Specification Brand : waveshare BulletPoint1 : 4-ch RS485 can work independently without affecting each other at the same time, enabling more effective data transmission BulletPoint2 : Combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc. BulletPoint3 : Adopts screw terminal for stable power input BulletPoint4 : Wall-mount and rail-mount case design, easy to install, for quick deployment and expansion BulletPoint5 : This DB9 breakout connector to wiring solderless terminal adopts environmentally friendly insulated terminal block. Just use a small screwdriver to open up the terminal blocks, slide in your stranded or solid-core wire, and re-tighten. CompatibleDevices : Personal Computer ConnectorType : Serial Adapter FinishType : Rubber GpsrSafetyAttestation : 1 GraphicsCardInterface : pci_e ItemName : Waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server, 4 Channels RS485 Independent Operation, Rail-Mount Industrial Isolated Serial Module, Modbus Gateway, PoE Ethernet Port ItemPackageDimensions_Height : 15.6 centimeters ItemPackageDimensions_Length : 3.4 centimeters ItemPackageDimensions_Width : 11.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : computer-cable-serial-adapters MainPowerConnectorType : 24-Pin Manufacturer : Waveshare Material : copper MemorySlotsAvailable : 4 ModelName : 4-Ch RS485 to RJ45 Ethernet Serial Server ModelNumber : 4-CH RS485 TO POE ETH (B) NumberOfItems : 1 NumberOfPorts : 4 PartNumber : 4-CH RS485 TO POE ETH (B) Platform : not_machine_specific ProductDescription : This is a multi-functional device data acquisitor / IoT gateway with 4-ch RS485 and an Ethernet port (PoE version optional), small in size, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring, meeting various application scenarios. ProductSiteLaunchDate : 2023-12-26T07:00:02.614Z ShipsGlobally : 1 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SystemBusStandardSupported : PCIe TotalEthernetPorts : 4 TotalPciEPorts : 1 UnitCount : 1 UnspscCode : 43220000