USB Type-B to RS232 Hub Converter 4-Channel

From the shop's description

USB Type-B to RS232 Hub Converter 4-Channel The 4-Channel USB/RS232 Hub Converter is a compact, board-level serial hub that converts a single USB Type-B connection into four independent RS-232 ports using a CH340 USB-to-UART bridge. It offers both DB9 male and pin-header RS232 outputs, per-channel control signals and clear LED status indicators for easy diagnostics, making it suitable for serial device testing, multi-port communication, legacy equipment interfacing and industrial control applications. Features No of channels: 4. USB interface: type B. RS232 interface: DB9 male + pin header. Driver: CH340. Signals per channel: RX, TX, DTR, and DSR. USB speed: high speed. Maximum transfer rate: 1Mbps. Operating temperature: (-40….85 ˚ C). Green LED for power indication. Two red LEDs for serial communication activity RX, Tx for each channel. Four (Ø 3.5mm) mounting holes for easy installation. Dimension: 185 x 45 x 15mm. Specifications Parameter Value Brand FARESPCB Channel Count 4 USB Interface Type-B USB Driver CH340 RS232 Interface DB9 male + pin header Signals Per Channel RX, TX, DTR, DSR USB Speed HighSpeed Maximum Transfer Rate 1Mbps Operating Temperature −40…+85°C Indicators 1× green power LED 2× red (RX,TX) per channel Mounting Holes 4× Ø3.5mm Dimensions 185mm x 45mm x 15mm Applications Multi-port serial interfacing for legacy equipment, PLCs and instrumentation. Test benches, manufacturing and service racks requiring simultaneous serial connections. Point-of-sale, modem, telemetry and RS-232 peripheral integration with modern USB-only hosts. Development and debugging of serial devices where multiple UART channels are needed. Lab and field use with moderate throughput serial logging and control tasks. Package Contents 1× USB Type-B to RS232 Hub Converter 4-Channel.