You are here: Installation Guide > Physical Interface > Interface Connector




Interface Connector

USB 3.1 Connector

The camera is equipped with a USB 3.1 Micro-B connector that is used for data transmission, camera control and power. For more detailed information, consult the USB 3.1 specification available from

USB 3.1 Micro B Connector

USB 3.1 Micro-B Connector Pin Assignments

Pin Signal Name Description
1 VBUS Power
2 D- USB 2.0 differential pair
3 D+
4 ID OTG identification
5 GND Ground for power return
6 MicB_SSTX- SuperSpeed transmitter differential pair
7 MicB_SSTX+
8 GND_DRAIN Ground for SuperSpeed signal return
9 MicB_SSRX- SuperSpeed receiver differential pair
10 MicB_SSRX+


The USB 3.1 Micro-B receptacle accepts a USB 2.0 Micro-B plug and, therefore, the camera is backward compatible with the USB 2.0 interface.

Note: When the camera is connected to a USB 2.0 interface, it runs at USB 2.0 speed, and maximum frame rates are adjusted accordingly based on current imaging parameters.
Related Knowledge Base Articles
Title Article
USB 3.1 Frequently Asked Questions Knowledge Base Article 10019


© 2015-2017 FLIR® Integrated Imaging Solutions Inc.
All rights reserved.
| Contact Support

Blackfly®S BFS-U3-120S4
Camera Reference

FLIR Camera and API References