• FTDI Chipset        : Type AUM-210-F / AUM-310-F / AUM-410-F
• Fully Compliant with USB Specification v2.0 (Full-Speed) 
• UHCI / OHCI (USB1.1), EHCI (USB2.0), xHCI(USB3.0) Host Controller Compatible
• Meets EIA/TIA-232F standards
• Guaranteed 115200bps transmission rate under loading
• Three RS232 Driver / Five RS232 Receivers
• Full-duplex transmitter and receiver (TXD and RXD)
• Six MODEM control pins (RTS, CTS, DTR, DSR, DCD, and RI)
• 5,6,7 or 8 data bits
• Odd, Even, Mark, Space, or None parity mode
• One, one and a half, or two stop bits
• Parity error, frame error, and serial break detection
• Programmable baud from 75 bps to 1M bps
• Provides RS232 power down indicator pin
• Works with existing PC COM Port software applications
• Automatic hardware flow control with CTS/RTS or DSR/DTR
• Automatic software flow control with XON/XOFF
• Supports Remote Wake-up from RS232 input signals (RI, RXD, DSR, DCD, CTS)
• Provides royalty-free Virtual COM Port (VCP) driver for:
• Windows 2000, XP, Vista, and 7(Microsoft Certified WHQL Logo Drivers)
• Windows Server 2003, 2008, 2008 R2
•  Windows 7 / 8 / 10
• Windows CE4.2, 5.0, 6.0, and Windows Embedded Compact 7
• Windows XP Embedded (XPe), Point--of-Service (WEPOS), and POS Ready
• MAC OS 8/9, OSX
• Linux/Android kernel 2.4.31 and above includes built-in driver
•  -40C to 85 C Operating Temperature
• ESD Protection for RS-232 I/O' +-15KV
• RS-232 -- DB9 / M - DTE Mode

Pin1 : DCD  <== IN

Pin2 : RXD   <== IN

Pin3  : TXD    ==>  OUT

Pin4  : DTR    ==>  OUT

Pin5  : GND

Pin6  : DSR    <== IN

Pin7  : RTS     ==>  OUT

Pin8  : CTS     <== IN

Pin9  : RI        <== IN

• LED Indicate : Power /Red, Ready / Green
• USB Cable ----- USB A / B 1.8m cable
• USB Down stream port : USB A / F
• Building tree type of RS-232 Working group. 
• Easy connect to all RS-232 I/O ports.
• PC's RS-232 service to cline. 
• Easy saving Space / money / time / working
• Weight : 55 / 45 / 35 g (4/3/2 port)
• Dimension: 85 *40 *18 mm (Body)