• us 257 usb 2 port rs232 1mbaud
  • US 257 2
  • US 257 3
  • US 257 RS 232 Pinout
  • US 257 comes with USB cable
  • us 257 usb 2 port rs232 1mbaud laid back
us 257 usb 2 port rs232 1mbaud
  • 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 (0.67 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

Operating Systems



Tech Spec

Serial Port
Ports1 Multi Drop to 8
ProtocolRS485
ConnectorRemovable Screw terminal block connector - 3.5 mm pitch
Tx FIFO Size128
Rx FIFO Size128
Operating DistanceEIA - RS232 Standard
Cable2 Port cable (44 way Y cable with 2 x DB9)
Serial Port Settings
Max Baud Rate1,000,000 (1 MegaBaud)
Data Bits5,6,7 or 8
ParityOdd, Even, None, Mark or Space
Stop Bits1, 1.5 or 2
Tx/Rx ModesPoint to Point
General
PCB Layers4
Operating Temperature Range-30 °C to +80 °C / -22 °F to +176 °F
Industrial StandardYes
Power Consumption100mA @ 3.3V
Product Weight0.109 kg, 3.84 ounces
Product Dimensions102x100x27 mm, 4.0x3.9x1.1 inches
Packaged Weight0.260 kg, 9.17 ounces
Packaged Dimensions160x135x45 mm, 6.3x5.3x1.8 inches
GTIN (barcode)837324000153
Operating System Compatibility
Operating Systems
  • Microsoft Windows 10
  • 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 XP 32 bit & 64 bit Editions
  • Linux
Interface
USB 2.0480 Mb/s USB 2.0 data rates.

Approvals

Microsoft Signed Drivers


Microsoft Hardware


Other


Documents

FAQs