USB to 4-port RS-232 serial converter


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  • Product Description

    USB to 4-Port RS-232 (DB9M) Adapter. 

    No longer should the usage of a serial or parallel device be restricted by the availability of the connectable ports on the desktop, laptop or work station system. With the SUNIX ComHub USB Adapter, users now have the ability to convert the connection of their serial and parallel peripherals into USB (Universal Serial Bus) compatible. The adapter is compatible with both USB 2.0 and 1.1 specifications. The USB Full Speed connection offers data transfer rate up to 12Mbps. SUNIX ComHub provides serial ports with transfer speed up to 115.2Kbps.

    SUNIX ComHub, USB to I/O Adapter utilized the high quality Prolific chipset, not only is the ComHub has passed the WHQL certification, it is also the most compatible and the most reliable. ComHub series come with the choice of 1/2/4 ports in RS-232 or Printer (LPT) for connection with devices such as barcode scanner, POS device, PDA, printer, and other mobile devices. SUNIX offers the most complete line of USB to I/O Adapter for all your connection needs



    • Expands 4 RS-232 ports on system via USB connection.
    • Supports Universal Serial Bus Plug-n-Play and Hot-Swapping feature.
    • No IRQ, DMA, I/O address resource required.
    • Supports USB1.1 full speed 12Mbps, and it is USB2.0 compatible.
    • Each serial port provides transmission rate up to 115.2Kbps.
    • Built-in ±15KV ESD protection for all serial signals.
    • Plug-n-Play, I/O address and IRQ assigned by BIOS.
    • Certified by CE, FCC, VCCI, BSMI, C-Tick, and RoHS.
    • Support Microsoft Windows, Linux, Mac and DOS.



    Product Description 4 ports USB to RS-232 Serial Hub
    Serial Communication
    Interface RS-232
    Controller Prolific 2303Hx 16C550 UART Compatible
    Bus Interface Universal Serial Bus (USB) 2.0 / 1.1
    No. of Port 4-port
    IRQ & IO Assigned by System
    FIFO 16 byte (Hardware)
    Signal TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI
    Baud rate 50 bps to 115.2 Kbps
    Data bit 5,6,7,8
    Stop bit 1,1.5,2
    Parity None, Even, Odd, Space, Mark
    Flow Control RTS/CTS (Hardware) , XON/XOFF(Software)
    Protection ±15KV ESD protection for each signal Human Body Model (HBM)
    Board connector DB9 Male
    Driver Support
    Microsoft 98/ME/2000/XP/2003/Vista/2008/7/8/8.1(32/64 bit)/CE5.0/XP Embedded
    Linux Linux 2.4.x/2.6.x
    MAC MAC 10.1, 10.4, 10.5 (Leopard)
    Regulatory Approvals
    Hardware EUR: CE, EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3
    US: FCC Part 15 Class B
    TAIWAN: BSMI: CNS13438
    AS/NZS: C-Tick: CISPR22
    Software Microsoft WHQL Window XP
    Operating Temperature 0 to 60 °C ( 32 to 140 °F )
    Operating Humidity 5% to 95% RH
    Storage Temperature -20 to 85 °C ( -4 to 185 °F )
    Input USB Bus-power 5VDC External Power, DC Jack type
    Consumption < 0.7W = 5V x 130mA
    Dimension 180 x 70 x 26 mm
    Cable Length . 1500mm (5ft)
    Case ABS
    Weight 140 ± 5 g

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