Data Sheet
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68  EasyVR 3  User Manual (1.0.11) 
QuickUSB Adapter Cable 
Product Description 
The QuickUSB is an USB-to-UART adapter cable, easy to 
use and supported on all the major operating systems. 
It plugs into a standard USB port and brings all the UART 
signals to a convenient 6-pin 2mm pitch female connector 
(Hirose DF11 Series). 
QuickUSB Features 
  USB 2.0 Full Speed interface 
  Full UART (RX/TX and RTS/CTS) at 3.3V 
  Data transfer rates from 300 bps to 3 Mbps 
  Extended operating temperature range: -40°C to 85°C 
  Cable Length: 1.8 m 
Technical Specifications 
Drawings and Schematics 
A SIDE 
B SIDE 
USB Type A Plug 
(male connector) 
Hirose DF11-6DS-2C 
(female connector) 
Pin Description 
Pin 
Type 
Name 
Description 
1 
I 
RXD 
Asynchronous Data Receive line 
2 
O 
RTS# 
Request To Send flow control line 
3 
GND 
GND 
Power and signal ground 
4 
Power 
VCC 
5V power output (USB VBUS) 
5 
O 
TXD 
Asynchronous Data Transmit line 
6 
I 
CTS# 
Clear To Send flow control line 










