Specification Brand : waveshare BulletPoint1 : Industrial grade isolated RS232 TO RS485 asynchronous bi-directional converter. Embedded TVS (Transient Voltage Suppressor) and lightningproof diodes. Compatible with RS232/RS485 standard, converting the RS232 signal into balanced differential RS485 signal. BulletPoint2 : 1200m long distance transmission: converting the RS232 signal into balanced differential RS485 signal. Stable transmission on rate of 300~115200bps, about 1200m transmission distance of RS485, about 15m transmission distance of RS232 BulletPoint3 : Connectors & pinout definition: provides both screw terminal and RJ45 connector for RS485, meets different industrial application requirements BulletPoint4 : Convenient indicators: Onboard 3x LED indicators for checking power connection and signal TX/RX status BulletPoint5 : Application : The RS232 TO RS485 converter can be widely used for point-to-point, point-to-multipoint, long distance cascaded communication network between two hosts, or between host and MCU/peripheral CenterlineLength : 48 millimeters Color : Industrial RS232 TO RS485 CompatibleDevices : Raspberry Pi Pico CompatibleProcessorTypes : RP2040 ConnectorGender : Male-to-Male ConnectorType : Serial DataTransferRate : 5 gigabits_per_second ExternallyAssignedProductIdentifier1 : 778365986108 ExternallyAssignedProductIdentifier2 : 0778365986108 GraphicsCardInterface : integrated ItemName : waveshare Industrial RS232 to RS485 Converter Asynchronous Bi-Directional Adapter ADI Magnetical Isolation 600W Anti-Surge, 1.2 KM Transmission ItemPackageDimensions_Height : 18.0086 centimeters ItemPackageDimensions_Length : 4.699 centimeters ItemPackageDimensions_Width : 13.3096 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : computer-cable-serial-adapters MainPowerConnectorType : 40-pin Manufacturer : Waveshare Material : copper MemorySlotsAvailable : 2 ModelName : Pico-2CH-RS232 ModelNumber : Industrial RS232 TO RS485 Converter MountingType : Panel Mount NumberOfContacts : 10 NumberOfItems : 1 NumberOfPoles : 10 NumberOfPorts : 2 PartNumber : Industrial RS232 TO RS485 Converter-FB2 ProductDescription : Features Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal Onboard unibody ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage protection, improves shock resistance Integrates optional RS485 output terminal 120R resistor, enabled/disabled via switch DC-005 power jack, allows 6V~36V DC wide range input, suits different application situations Specifications Product Type: Electromagnetic isolated RS232 TO RS485 asynchronous bi-directional converter Data Rate: 300~115200bps Device Port: RS232/RS485 standard complaint RS232 Port Connector : DB9 female Transmission distance: ~15m Transmission mode: point-to-point RS485 Port Connector: screw terminal + RJ45 connector Direction control: hardware automatic control Protection: 600W lightningproof and surge-suppress, 15KV ESD Terminal resistor: 120R, enabled/disabled via switch Transmission distance: ~1200m Transmission mode : point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) LED indicators PWR: power indicator, light up red when power supply is connected TXD: TX indicator, blinking green while the RS232 port is transmitting data RXD: RX indicator, blinking blue while the RS232 port is receiving data Temperature: -15℃~70℃ Humidity: 5%RH~95%RH User manual ://bit.ly/3VaVgba Package Content RS232 TO RS485 x1 1.5m male-to-female serial cable x1 12V power adapter x1