# \#xbee-sleep-line-pass

**URL:** https://forums.digi.com/tag/xbee-sleep-line-pass/2612.md

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## [Does a digital output retain it's state when an XBee Series one module is put to sleep?](https://forums.digi.com/t/does-a-digital-output-retain-its-state-when-an-xbee-series-one-module-is-put-to-sleep/16141)

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**Author:** [@minfarm](https://forums.digi.com/u/minfarm)\
**Replies:** 1\
**Last updated:** [January 25, 2016, 1:31pm UTC](https://forums.digi.com/t/does-a-digital-output-retain-its-state-when-an-xbee-series-one-module-is-put-to-sleep/16141 "2016-01-25T13:31:25Z")

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Hello, I am planning a project where I will bee using two Series 1 XBee’s with I/O line passing. One of the radios will be battery powered so I plan to use cyclical sleep mode on it. I am wondering if the output of a di…