US-257 2 Port RS232 USB to Serial Adapter
- 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)
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.
THANK YOU SO MUCH for your brilliant product (US-101)!! ...
We tried [many other brands] and a few other USB to serial adapters. None of them worked!.. I’ve been buying and returning like crazy. ...
I finally called IBM/Lenovo out of desperation and somewhere in their internal knowledgebase was a mention of your product working. So I bought one from Buy.com as a test.. it arrived today. IT WORKS! =)
You are likely the only manufacturer on the planet that makes a working serial to USB adapter for IBM/Lenovo. I would sugges
Creative NetVentures, Inc.
I would like to thank you for sending out the windows 7 RS232 USB driver.ABM Electrical Contracting Ltd
I have had a lot of problems trying to get my EXFO fiber optic test equipment to communicate with my windows 7 laptop.
I loaded on your software for the driver and within 10 mins I could communicate with the EXFO.
Exfo's technical guys have struggled to find a soloution. Thanks to Brainbox the problem is solved
For some time I have been searching for a USB to Serial adaptor that works correctly with the Fanuc CNC controls fitted on the 600 UK products that I support.Les Robbins
I now use and recommend a USB to Serial adaptor supplied by Brainboxes Limited
They can look after all your RS232 hardware needs, be it getting your Netbook to talk to your CNC or your Desktop serving your CNC machines via RS232 multi port cards.
I find their products very reliable and their support team are very helpful.
|Connector||DB9 Connector - 9 Pin Male|
|Tx FIFO Size||128|
|Rx FIFO Size||384|
|Operating Distance||EIA - RS232 Standard|
|Cable||USB cable Type A to B (1 metre ~ 3ft)|
|Serial Port Settings|
|Max Baud Rate||921,600|
|Data Bits||7 or 8|
|Parity||Odd, Even, None, Mark or Space|
|Stop Bits||1 or 2|
|Flow Control||RTS/CTS, DSR/DTR, XON/XOFF|
|Tx/Rx Modes||Point to Point|
|Power Input||Power through USB, no extra power supplied required|
|Power Supply 1 Description||Power through USB, no extra power supplied required|
|Power Supply 2 Description||Power through USB, no extra power supplied required|
|Mounting Accessories 1 Description||DIN-Rail Mounting Kit - MK-048|
|Mounting Accessories 2 Description|
|Device Dims with ears||96.3x101x25|
|Device Dims without ears||91.6x77x25|
|Power Consumption||100mA @ 3.3V|
|Product Weight||0.109 kg, 3.84 ounces|
|Product Dimensions||102x104x28 mm, 4.0x4.1x1.1 inches|
|Packaged Weight||0.325 kg, 11.46 ounces|
|Packaged Dimensions||235x170x62 mm, 9.3x6.7x2.4 inches|
|Operating System Compatibility|
|USB 2.0||480 Mb/s USB 2.0 data rates.|
- US-USB-to-Serial-industrial-range-summary-English.US-EN (1.59 MB)
- US-USB-to-Serial-desktop-range-summary-Italiano.US-IT (0.91 MB)
- US-USB-to-Serial-industrial-range-summary-Deutsche.US-DE (0.96 MB)
- US-USB-to-Serial-desktop-range-summary-English.US-EN (1.47 MB)
- US-USB-to-Serial-industrial-range-summary-Espanol.US-ES (0.94 MB)
- US-USB-to-Serial-desktop-range-summary-Francais.US-FR (0.91 MB)
- US-USB-to-Serial-industrial-range-summary-Magyar.US-HU (1.09 MB)
- US-USB-to-Serial-industrial-range-summary-Italiano.US-IT (0.94 MB)
- US-USB-to-Serial-industrial-range-summary-Francais.US-FR (0.95 MB)
- US-USB-to-Serial-industrial-range-summary-Polski.US-PL (0.52 MB)
- US-USB-to-Serial-industrial-range-summary-Chinese.US-ZH (1.09 MB)
- US-USB-to-Serial-desktop-range-summary-Chinese.US-ZH (1.06 MB)
- US-USB-to-Serial-desktop-range-summary-Magyar.US-HU (1.05 MB)
- US-USB-to-Serial-desktop-range-summary-Deutsche.US-DE (0.91 MB)
- US-USB-to-Serial-desktop-range-summary-Polski.US-PL (1.55 MB)
- US-USB-to-Serial-desktop-range-summary-Espanol.US-ES (0.43 MB)