
Revision A1.1 The design and specifications are subject to change without notice for improvement
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INTRODUCTION
The USB-232-1 is a port-powered USB to RS-232 converter that can be used to convert any standard
USB port (USB 2.0 - backward co patible) into a RS-232C port. The unit uses the latest FTDI chipset
and is fully co patible with Windows 7/Vista/XP/Server2008/Server2003/2000/98 (32-bit), Windows
7/Vista/XP/Server2008/Server2003 (64-bit), Win CE, Mac, and Linux.
Note: the latest drivers (chipset FT232B) are available at http://www.ftdichip.co /Drivers/VCP.ht .
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FEATURES
•Adds one RS-232 port to your USB port.
•RS-232 data & signals: TX, RX, RTS, CTS, DTR, DSR, DCD, RI, and GND.
•Supports Windows 7/Vista/XP/Server2008/Server2003/2000/98 (32-bit), Windows 7/Vista/XP/
Server2008/Server2003 (64-bit), Win CE, Mac, and Linux.
•Supports re ote wakeup and power anage ent.
•Port-powered, no external power required.
•Plug and play (hot-pluggable, data for at auto-sensing and self-adjusting).
•No IRQs required, no IRQ conflicts.
•Surface Mount Technology anufactured to RoHS and ISO-9001 standards.
•Safety: Strictly certified by SGS / 5-year anufacturer’s warranty.
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SPECIFICATIONS
Co patibility: USB 2.0 (backward co patible) and EIA/TIA RS-232C standards
Power Source: Fro USB port
Current Consu ption: Under 100 A
Output Power on Pin 3 (TX): About -9VDC
RS-232 Data Rate: 300 to 128,000bps (auto-sensing and self-adjusting)
Distance: USB side: 10ft (3 ); RS-232 side: 16ft (5 )
Connectors: USB side: Type A Fe ale; RS-232 side: DB-9 Male
LEDs: TX, RX and Power
Di ensions (H x W x D): 0.6 x 1.4 x 2.2 in (15 x 35 x 55 ) (excluding cable)
Cable Length: 3.3 ft (1 )
Weight: 2.6 oz (73 g)
Operating Te perature: 32ºF to 95ºF (0ºC to 35ºC)
Operating Hu idity: Up to 90% RH (no condensation)
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PIN ASSIGNMENT
RS-232 Side (DB-9 Male Connector / DTE):
Pin Function Description
1 DCD Data Carrier Detect
2 RX Receive Data
3 TX Trans it Data
4 DTR Data Ter inal Ready
5 GND Ground (Signal)
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RI Ring Indicator
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DB-9
DB-25 CONVERSION TABLE (DTE)
DB-9 Pin Assign ent: 1 2 3 4 5 6 7 8 9
DB-25 Pin Assign ent: 8 3 2 20 7 6 4 5 22
Function: DCD RX TX DTR GND DSR RTS CTS RI
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DRIVER INSTALLATION – QUICK GUIDE
•Drivers are included on the CD supplied with the converter; insert the CD into the
drive.
•Connect the USB-232-1 to an available USB port, and the “Found New Hardware