58Alvium USB Cameras User Guide V4.6.1
Compliance, safety, and intended use
• Avoid potential differences between the camera housing and GND.
• All wiring must be done by authorized personnel, according to the
corresponding technical standards.
• You may mount the camera electrically isolated.
• Read the Avoiding Ground Loops in Vision Systems application note.
Hirose DF40C-50DP-0.4V connectors
Hirose DF40C-50DP-0.4V board-to-board connectors enable compact camera
design.
The small-sized connectors are sensitive to mechanical stress and are specified for
maximum 20 mating and unmating cycles. Especially if you are inexperienced with
these connectors, be very cautious. If these connectors are broken, cameras must
be replaced. To install and operate cameras safely, read this section carefully.
USB connections
USB 3.0 and 3.1 Gen 1 host controllers and hubs
To avoid damage to USB 3.0 or 3.1 Gen 1 host controller cards or hubs, make sure
these components provide sufficient current supply for the connected cameras.
For suitable USB 3.0 accessories, see www.alliedvision.com/en/products/
accessories.
If suddenly your camera is not recognized anymore, check for a crashed USB hub.
Disconnect the USB and power supply cable from the hub. Reconnect both.
USB cables
Proper cable handling enables reliable performance:
• Use only shielded cables to avoid electromagnetic interferences.
• Please use cables recommended by Allied Vision.
• Avoid unnecessary bending to prevent damage to the cables.
• Avoid coiling to prevent electromagnetic interference.
More information
See the Avoiding Ground Loops in Vision Systems application note at
www.alliedvision.com/en/support/technical-documentation/
alvium-usb-documentation.
Additional information
For technical data and more instructions on the Hirose connectors, see the
manufacturer data sheet at www.hirose.com.
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