# Will RF data with incorrect checksum be present in DOUT buffer?

**URL:** <https://forums.digi.com/t/will-rf-data-with-incorrect-checksum-be-present-in-dout-buffer/15875>\
**Category:** XBee - 802.15.4\
**Tags:** dout-buffer, rf-check-sum, xbee\
**Created:** [December 2, 2015, 1:08am UTC](https://forums.digi.com/t/will-rf-data-with-incorrect-checksum-be-present-in-dout-buffer/15875 "2015-12-02T01:08:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ajith](https://avatars.discourse-cdn.com/v4/letter/a/bcef8e/32.png) [@Ajith](https://forums.digi.com/u/Ajith)\
**Post date:** [December 2, 2015, 1:08am UTC](https://forums.digi.com/t/will-rf-data-with-incorrect-checksum-be-present-in-dout-buffer/15875/1 "2015-12-02T01:08:29Z")

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Or is the RF check sum test performed before storing in DOUT buffer? Say while sending RF data from RF RX buffer to DOUT buffer.

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**Author:** ![Ajith](https://avatars.discourse-cdn.com/v4/letter/a/bcef8e/32.png) [@Ajith](https://forums.digi.com/u/Ajith)\
**Post date:** [December 4, 2015, 10:07am UTC](https://forums.digi.com/t/will-rf-data-with-incorrect-checksum-be-present-in-dout-buffer/15875/2 "2015-12-04T10:07:04Z")

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Duplicate.  
See below link.  
[http://www.digi.com/support/forum/51860/dout-buffer-coordinator-xbee-contain-with-incorrect-checksum](http://www.digi.com/support/forum/51860/dout-buffer-coordinator-xbee-contain-with-incorrect-checksum)