Features :

It has been developed to connect a wide range of standard serial devices.
Bus-Powered Device , no external power supply needed
Connect to your mother board 10 Pin USB 2.0 connector
Support for the following serial communication programs is included:
HyperTerminal, PComm, Windows direct connection, Windows dial-up connection through modem.
Drivers provided for Windows, Mac OS X and Windows CE
2 DB9 to Screw Terminal conection block included

Applications :

Serial Attached Devices
Serial-Port Server
Data Acquisition System
POS Terminal and Industrial PC

Specifications :

Bus-Powered Device , no external power supply needed
Connect to your mother board 10 Pin USB 2.0 connector
Compliant with USB 2.0 specification
Two 16c450/16c550 compatible UARTs
2 x RS-485 Serial Ports
5, 6, 7 and 8-bit Serial Data support
Hardware and Software Flow Control
Serial Port speeds from 50 bps up to 6 Mbps
Additional I/O or IRQ not required
Remote Wakeup and Power Management features
Fits 2.5" Floppy bay of your desktop PC
Drivers provided for Windows, Mac OS X and Windows CE

Package Content
1 x USB to Dual RS485 Front Panel
1 x Driver CD
1 x User Manual
2 x DB9 to Screw Terminal block
4 x mounting screws