HomeProductsAten USB Series USB Converter UC-4854


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USB Converter


Product Description

The ATEN USB-to-Serial RS-422/485 Hub provides an external plug-and-play RS-422 / RS-485 serial connection for computers, notebooks, laptops, and handheld computing devices that support the USB specification. It provides a quick, simple, and cost-effective solution and is ideal for various communication and automation applications.

  • Easy way to add 4 RS-422/RS-485 serial ports
  • Fully compliant with USB 1.1; USB 2.0 compatible
  • Supports RS-422/RS-485 serial interface
  • Each port can independently switch between RS-422 and RS-485
  • Supports automatic handshake mode
  • Up to 115.2 Kbps data transfer rate for each serial port
  • Dual data buffers for each upstream and downstream data transfer
  •  No IRQ, DMA, I/O address resources required
  • Supports hot-swapping and plug-and-play
  • Built-in 16KV ESD protection
  • Supports both bus power and external power
  • Works with cellular phones, PDAs, digital cameras, modems and ISDN terminal adapters
  • OS support - Windows 2000/2003/XP/NT
  • 1x USB-to-Serial Hub
  • 1x USB Cable
  • 1x Installation Disk
  • 1x User Manual
  • 1x Quick Start Guide
Function   UC4854
Device Connections   4
Connectors   USB     1 x USB Type B Female (White)
Serial   4 x DB-9 Male (Black)
Power  1 x DC Jack
LDEs     Port Status   4 (Green)
Power    1 (Orange)
Data Transfer Rate    115.2 Kbps (max.)
FIFO     16 byte Hardware FIFO
USB Specification     USB 1.1 Compliant; USB 2.0 Compatible
RS-422 Signal     TXD /-, RxD /-, RTS /-, CTS /-,GND
RS-485 Signal    Data /-, GND
Data Bit    5, 6, 7, 8
Stop Bit    1, 1.5, 2
Power Mode Bus Powered; use of Power Adapter is optional
Power consumption  1.0W
Environment    Operating Temp.   0-50 °C
Storage Temp.    -20-60 °C
Humidity  0-80% RH, Non-condensing
Housing     Metal
Weight    0.32 kg
Dimensions ( L x W x H )   12.50 x 8.15 x 2.50 cm
Aten USB Converter UC-4854 Diagram

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