# source routing

**URL:** <https://forums.digi.com/t/source-routing/11993>\
**Category:** XBee - Zigbee\
**Tags:** xbee\
**Created:** [September 27, 2013, 9:56am UTC](https://forums.digi.com/t/source-routing/11993 "2013-09-27T09:56:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![nagaraju](https://avatars.discourse-cdn.com/v4/letter/n/f07891/32.png) [@nagaraju](https://forums.digi.com/u/nagaraju)\
**Post date:** [September 27, 2013, 9:56am UTC](https://forums.digi.com/t/source-routing/11993/1 "2013-09-27T09:56:59Z")

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how can know among 50 routers, one router can acts as coordinator for other routers.  
please any one suggest me with your explanation.

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**Author:** ![asgm](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.digi.com/asgm/32/3688_2.png) [@asgm](https://forums.digi.com/u/asgm)\
**Post date:** [October 3, 2013, 10:48am UTC](https://forums.digi.com/t/source-routing/11993/2 "2013-10-03T10:48:32Z")

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I’m not sure I understood it properly.

For zigbee modules, there are separate firmwares for coordinator and router. You can load this firmware on one module to make it coordinator. Use X-CTU software for this purpose.