Datasheet
  Copyright © 2011 Future Technology Devices International Limited  6 
Document Reference No.: FT_000204 
DB9-USB Datasheet 
Version 2.1 
Clearance No.: FTDI# 130 
1.6  Technical Specification & Ordering Information 
Parameter 
Performance 
USB Interface 
12Mbps USB 2.0 Full-Speed 
RS232 Interface 
Standard Windows baud rates (300bps to 921.6Kbps) 
Custom baud rates (300bps to 1Mbps) through baud rate aliasing. See 
FTDI Application Note: Configuring FT232R, FT2232 and FT232BM Baud 
Rates 
UART 
Standard Windows baud rates (300bps to 921.6Kbps) 
Custom baud rates (300bps to 3Mbps) through baud rate aliasing. 
Table 1.1 – Performance Specifications 
Order Code 
Description 
DB9-USB-M  
Full Speed USB to 1-Port RS232 level UART module that can replace an RS232 Level 
UART DB9 male connector 
DB9-USB-F 
Full Speed USB to 1-Port RS232 level UART module that can replace an RS232 level 
UART DB9 female connector 
DB9-USB-D3-M 
Full Speed USB to 1-Port 3.3V level UART module that can replace 3.3V level UART DB9 
male connector 
DB9-USB-D3-F 
Full Speed USB to 1-Port 3.3V level UART module that can replace 3.3V level UART DB9 
female connector 
DB9-USB-D5-M 
Full Speed USB to 1-Port 5V level UART module that can replace 5V UART DB9 male 
connector 
DB9-USB-D5-F 
Full Speed USB to 1-Port 5V level UART module that can replace 5V UART DB9 female 
connector 
Table 1.2 – Ordering Information 










