• 2 Port RS-232 USB to Serial Adapter
  • Data rate from 300 to 921,600 baud
  • High Retention USB Socket
  • Drivers for all popular operating systems including Windows 8
  • Works where many other USB to Serial devices do not
  • Lifetime Warranty and Support
  • US-257-datasheet (0.43 MB)
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Description

USB to Serial adapter providing two RS232 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte transmit and 384 byte receive FIFOS, coupled with 1Mbit line drivers deliver uncompromising performance on your laptop/PC.

Drivers for Windows 32 bit and 64 bit Operating Systems including Windows XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8 with additional drivers for both Mac OS X and Linux.

Customer Feedback

Serial Port
Ports2
ProtocolRS232
ConnectorDB9 Connector - 9 Pin Male
Tx FIFO Size128
Rx FIFO Size384
Operating DistanceEIA - RS232 Standard
CableUSB cable Type A to B (1 metre ~ 3ft)
Serial Port Settings
Max Baud Rate921,600
Data Bits7 or 8
ParityOdd, Even, None, Mark or Space
Stop Bits1 or 2
Flow ControlRTS/CTS, DSR/DTR, XON/XOFF
Tx/Rx ModesPoint to Point
Power
Power InputPower through USB, no extra power supplied required
Power Supply 1 DescriptionPower through USB, no extra power supplied required
Power Supply 2 DescriptionPower through USB, no extra power supplied required
General
Mounting Accessories 1 DescriptionDIN-Rail Mounting Kit - MK-048
Mounting Accessories 2 Description
PCB Layers4
Device Dims with ears96.3x101x25
Device Dims without ears91.6x77x25
Industrial StandardYes
Power Consumption100mA @ 3.3V
Product Weight0.109 kg, 3.84 ounces
Product Dimensions100x102x27 mm, 3.9x4.0x1.1 inches
Packaged Weight0.325 kg, 11.46 ounces
Packaged Dimensions235x170x62 mm, 9.3x6.7x2.4 inches
GTIN (barcode)837324000153
Operating System Compatibility
Operating Systems
  • Microsoft Windows 8 32 bit & 64 bit Editions
  • Microsoft Windows 7 32 bit & 64 bit Editions
  • Windows Server 2008 32 bit & 64 bit Editions
  • Windows Vista 32 bit & 64 bit Editions
  • Mac OS X
  • Windows Server 2003 32 bit & 64 bit Editions
  • Windows XP 32 bit & 64 bit Editions
  • Linux
Interface
USB 2.0480 Mb/s USB 2.0 data rates.

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