4-Port USB to RS-232 Hub
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The ATEN USB-to-Serial RS-232 Hub provides an external plug-and-play RS-232 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. ATEN provides 4 models in this series: 2/4-Port USB-to-Serial RS-232 Hub; 2/4-Port USB-to-Serial RS-422/485 Hub Package Contents 1x USB-to-Serial Hub 1x USB Cable 1x Installation Disk 1x User Manual 1x Quick Start Guide


Easy way to add 4 RS-232 serial ports
Fully compliant with USB 1.1; USB 2.0 compatible
Supports RS-232 serial interface
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



  • Device Connections 4
  • Connectors
  • USB Port 1 x USB Type B Female (White)
  • Power 1 x DC Jack
  • Serial 4 x DB-9 Male (Black)
  • LEDs
  • Ports 4 (Green)
  • Power 1 (Orange)
  • Data Rate 115.2 Kbps (max.)
  • USB Specification USB 1.1 Compliant; USB 2.0 Compatible
  • Power Mode Bus Powered; use of Power Adapter is optional
  • Power Consumption DC5V:0.4W:2BTU
  • Environmental
  • Operating Temperature 0–50˚C
  • Storage Temperature -20–60˚C
  • Humidity 0–80% RH, Non-condensing
  • Physical Properties
  • Housing Metal
  • Weight 0.32 kg ( 0.7 lb )
  • Dimensions (L x W x H) 12.50 x 8.00 x 2.50 cm
  • Note For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.
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