Features 1kV isolation between USB, RS‑232, RS‑485/422, TLL, support mutual conversion between USB and RS‑232, USB and RS‑422/485, USB and TTL, TTL and RS‑S232, TTL and RS‑422/485, RS232 and RS‑422/485 No external power supply, take electricity from USB port, support for WindowsXP / Server2003 / Vista / 7 / 8 / 8.1 / 10/ OS X , for Linux , for Android Standard USB b square port, equipment comes with a turn b wire, RS232 adopt the standard DB9 serial port male, RS485 / 422 is a plug‑in terminal YN‑4561I is compatible with USB 2.0 standard, supports for Windows, for OS X , for Linux , for Android operating system. Simply connect your device via USB interface, install the driver to use immediately Isolation 6‑in‑1 debugging tool, no need to jumper, DIP switch, etc., can implement isolation conversion between USB, RS‑232, RS‑485/422, TLL level Specification: Item Type: Serial Port Module Material: ABS Model: YN4561I USB Compatibility: Compliance with USB 2.0 standards, support hot swap plug-and-play Port Design USB: Standard b square port, equipment comes with a turn b wire RS232: Standard DB9 serial port male RS485 / 422: Plug-in terminal TTL: Insert terminal Transmission Rate: 1200bps - 115.2kbps Check Bit: Odd check, even check, no check Data Bit: 5, 6, 7, 8 Stop Bit: 1, 1.5, 2 RS232: TX, RX, GND, conforms to TIA / EIA-232 RS485: D +, D- balance difference half duplex, in line with TIA / EIA-485 standard RS422: T +, T-, R +, R- balance differences full duplex, in accordance with TIA / EIA-422 32 x RS-422 or RS-485 devices can be connected TTL: VIO, RXIN, TXOUT, GND support 5V or 3V level Work Distance: RS-232: 50ft(15 meters) at 9.6kbps Package List: 1 x Serial Port Module 1 x Cable 1 x User Manual Note: Do not use outside the parameter voltage range. Package List 1 x Serial Port Module 1 x Cable 1 x User Manual