# \#set

**URL:** https://forums.digi.com/tag/set/2907.md

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## [LED controlled by switch using Pro S2B modules](https://forums.digi.com/t/led-controlled-by-switch-using-pro-s2b-modules/16911)

<div class="topic-metadata">

**Author:** [@DubuqueGuy](https://forums.digi.com/u/DubuqueGuy)\
**Replies:** 3\
**Last updated:** [June 14, 2016, 11:39am UTC](https://forums.digi.com/t/led-controlled-by-switch-using-pro-s2b-modules/16911 "2016-06-14T11:39:07Z")

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Hi all, I’m a totally new user to Xbee devices. I purchased two Xbee Pro S2B radios. I got one configured as a Router in API mode, and the other as coordinator in API. When I’m in Xctu, and set working mode to Network…