Plugging the USB Serial Adapter into the USB port, the adapter is automatically detected and installed. 

Supports Windows 7 and Vista (32 and 64-Bit)

There is no IRQ & COM port conflicts, since the ports dont require any additional IRQ, DMA or memory on the system. 

The RS-232 serial ports function as native Windows COM ports, and are compatible with Windows serial communication applications. Each port is individually configurable. 

The USBG-8X-RS232 USB to serial converter is designed for PC, it has intelligent expansion modules that connect to a PC or server via the Universal Serial Bus

*** No power adapter needed, runs off USB power. ***

With the USB Plug-and-Play feature, simply plug in, follow the instructions of Install Wizard, then you are done. You dont have to deal with Card Slots, I/O address, IRQ jumpers, DMA and others when you are connecting the devices. The System will recognize the device and install the drivers automatically. The USBG-8X-RS232 is an ideal solution for your expanding applications

• Full compliance with USB Spec Rev 1.1. Plug & Play capability for outside peripherals.
• Windows 98 and SE compatible
• Windows ME compatible
• Windows 2000 compatible.
• Windows XP Compatible
• Windows Vista Compatible
• Compatibility List for RS232 port
• Modem
• ISDN-TA
• Digital camera
• RS232 Microsoft Mouse
• Barcode reader
• Card reader
• Palm Phones & Palm PDAs
• Tablet (drawing pads)
• Label Writer
• POS
• Fingerprint Verification
• Security System
• Mouse
• ETC.
  Features Specification Bus powered for Standard USB To 8 RS-232 Adapter Easy to install , Plug & Play
• PDA RS-232 Port support
• 56K Modem support
• Serial Mouse support
• Serial PC camera support
• Prolific Chip
• USB1.1 & USB2.0 compatible
• USB Cable ----- USB A / B 6ft. cable
• RS-232 -- DB9 * 8 Male Ports on a Fan out Cable
• Data rate : Up to 230 Kbps RS-232 for DTE Mode
• Housing : Molded Plastic

Power Requirements:

-Normally Power solely from USB Bus, no external power supply needed.

-A DC Jack Input available for supports Power over DB9-Male applications. 

Environmental:

Operating Temp.: 0 to 55°C (32 to 131°F) 

Storage Temp: -20 to 85°C (-4 to 185°F) 

Operating Humidity: 5 to 95% RH 

Form Factor:

5.90"(L)x2.61"(W)x1.02"(H) (15.00 x 6.65 x 2.60 cm) 
 
The key benefits are:

-Buffer: 256 bytes

-Parity: None, Odd, Even, Mark, Space

-Data bits: 5,6,7,8,16

-Stop Bits: 1, 1.5, 2

-Baud Rate: 75 to 1.2Mbps

Watch Dog Function