US-257

2 Port RS232 USB to Serial Adapter

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 and Windows 7 with additional drivers for both Mac OS X and Linux.
Documents
US 257 datasheetUS-257-datasheet.pdf (775.2 kB)
US USB to Serial desktop range summary English.US ENUS-USB-to-Serial-desktop-range-summary-English.US-EN.pdf (1.5 MB)
US USB to Serial industrial range summary English.US ENUS-USB-to-Serial-industrial-range-summary-English.US-EN.pdf (1.6 MB)
Brief Specification
Ports
2
Protocol
RS232
Max Baud Rate
921,600
Industrial Standard
Yes
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  • Tech Spec
  • Operating Systems
  • Approvals
  • Support
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Port
Ports
2
Protocol
RS232
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)
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
General
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
PCB Layers
4
Device Dims with ears
96.3x101x25
Device Dims without ears
91.6x77x25
Industrial Standard
Yes
Power Consumption
100mA @ 3.3V
Product Weight
0.115 kg, 0.25 pounds
Product Dimensions
100(l) x 101(w) x 26(h) mm, 3.94(l) x 3.98(w) x 1.02(h) inches
Packaged Weight
0.28 kg, 0.62 pounds
Packaged Dimensions
170(l) x 240(w) x 60(h) mm, 6.69(l) x 9.45(w) x 2.36(h) inches
GTIN-12
837324000153

Interface

USB 2.0
USB 2.0
480 Mb/s USB 2.0 data rates.
Windows XP 32 bit & 64 bit Editions
Linux
Windows Vista 32 bit & 64 bit Editions
Windows Server 2003 32 bit & 64 bit Editions
Windows Server 2008 32 bit & 64 bit Editions
Microsoft Windows 7 32 bit & 64 bit Editions
Mac OS X

Microsoft Hardware

Approved for Microsoft Windows XP 32 bit and 64 bit Windows XP 32 bit & 64 bit editions
Approved for Microsoft Windows Vista Windows Vista 32 bit & 64 bit editions
Approved for Windows 7 32bit & 64bit Windows 7 32 bit & 64 bit Editions

Microsoft Signed Drivers

Microsoft Signed Drivers for Windows XP 32 et 64 bit editions Windows XP 32 bit & 64 bit editions
Windows Vista Signed Drivers Windows Vista 32 bit & 64 bit editions
Approved for Windows 7 32bit & 64bit Windows 7 32 bit & 64 bit Editions

Other

The CE marking (also known as CE mark) is a mandatory conformity mark on many products placed on the single market in the European Economic Area (EEA). All Brainboxes products are fully compliant to European requirements which allow them to bear the CE mark. EMC: CE
Brainboxes are able to supply fully RoHS compliant products. To verify supplier declarations on RoHS compliance, fully built products were sent to an external test house for X-Ray Fluorescence (XRF) testing on components, using the Fischerscope X-Ray system XDAL. This technique is capable of determining percentages of different elements and is accurate to 0.1% Wt. RoHS
Brainboxes is fully compliant with the WEEE (Waste Electrical and Electronic Equipment) 2002/96/EC directives which tackle the increasing waste stream of electrical and electronic equipment and complements European Union measures on Landfill and incineration of waste. WEEE
In 2007 Brainboxes received Microsoft Gold Partner status. In recognition of achieving exceptional levels of quality, expertise and service endorsed by customers including Lenovo. Microsoft Certified Gold Partner
TAA refers to the Trade Agreements Act (19 U.S.C. & 2501-2581), which is intended to foster fair and open international trade. Being manufactured in the United Kingdom all Brainboxes products are fully TAA compliant. TAA
The introduction of AEO status is the EC's response to the need to secure international supply chains and the introduction of Customs-Trade Partnership Against Terrorism (C-TPAT) in the USA and the development of the Safe framework of standards in the World Customs Organisation. Brainboxes is a fully certified AEO (Authorised Economic Operator) organisation. AEO C-TPAT