This Blog was created to help people solve bar code and data collection applications with Microscan bar code readers and vision systems.

Tuesday, April 16, 2013

MS4 and Mini Low Power error condition

We recently had a customer who had been using 4- MS4's with USB interfaces for a couple of years with no problems. He comes in one morning and none of them show up as a virtual com port on his system.  They appeared powered up but the Green and Blue lights were both on.

Turns out the power supply to his 4 port USB hub went bad so only power from the PC's USB port was helping the scanners.

A USB port will power 1 MS4 but not 4 going out to a hub - unless the hub is powered.

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