db9-usb Future Technology Devices International Ltd., db9-usb Datasheet - Page 9

• Manufacturer Part Number: db9-usb
• Description: The Db9-usb Family Of Usb To Uart Converter Modules
• Manufacturer: Future Technology Devices International Ltd.

2
DB9-USB modules are downstream USB 2.0 Devices. A “USB mini B” receptacle is mounted inside the
modules to facilitate connection to an upstream USB Host or Hub.
Pin Number
USB Connections
Shield
1
2
3
4
5
Case Ground
Bidirectional
Bidirectional
Pin Type
Ground
Power
Copyright © 2011 Future Technology Devices International Limited
ID
Table 2.1 – USB “mini-B” Receptacle Pin-Out
VBUS – USB Power provided from upstream USB Host or Hub
Drain = typically connected to the host PC case
D– = USB data signal, negative polarity
D+ = USB data signal, positive polarity
GND = USB signal ground
Description
Not Connected
Document Reference No.: FT_000204
Clearance No.: FTDI# 130
DB9-USB Datasheet
Version 2.1
8