XB8-DMRS-002

ERRATA SHEET 150320 Date: March 20, 2015 Product: XBee Development Kits Summary: This errata sheet documents a resolution for a known issue with the USB port use on XBee development board kits shipped prior to 2/23/15. Issue: Some Digi XBee development board kits were confirmed to exhibit a failure when powered through the USB port. The cause was found to be a variation on the voltage regulator that caused some USB circuits to not function properly. Specifically, the boards cause the FTDI chip to not enumerate when the power supply doesnt come up properly to 3.3v. Determining the failure: If the board is able to consistently connect through the USB, it is considered ok and not prone to this issue. Because the issue is intermittent, we suggest the user verifies port connectivity three times in succession. To verify if your board may be faulty, perform the following test: 1) Plug in the USB port to your PC 2) Open up Device Manager from your windows PC to make sure all USB units do not have errors. A faulty connection will show up as a USB icon with an exclamation mark. Below in image 1 is a screen shot highlighting a faulty USB connection Image 1: Page 1 of 3 Resolution: To resolve the issue, the barrel jack must be supplied with between 6v to 20v of power, prior to connecting the USB port. If the barrel jack is supplied with between 6v to 20v prior to the USB connection, the board will always function properly. However, the barrel jack must be connected first, followed by the USB to guarantee correct operation. Most of the development kits include one or more 12V power supplies to power one or more boards. If your kit did not have a power supply and you need one, or would like to return your development board for a new fully functional unit, please see the customer resolution information and tables below. Customer Resolution: If you need a replacement power supply or wish to exchange any affected product, you may request an RMA from the Customer Service team. Please send your request to DigiRMAs digi.com or contact us by phone at 800-344-4273 Option 4. Please reference the Errata Sheet along with Part Number and Quantity of the affected part(s). If you have technical related concerns or questions about this notice please contact our technical support department via telephone at 801-765-9885 or submit a request online at