# Associassion problem

**URL:** <https://forums.digi.com/t/associassion-problem/2205>\
**Category:** XBee - Zigbee\
**Created:** [January 10, 2009, 7:54pm UTC](https://forums.digi.com/t/associassion-problem/2205 "2009-01-10T19:54:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dialla](https://avatars.discourse-cdn.com/v4/letter/d/53a042/32.png) [@dialla](https://forums.digi.com/u/dialla)\
**Post date:** [January 10, 2009, 7:54pm UTC](https://forums.digi.com/t/associassion-problem/2205/1 "2009-01-10T19:54:51Z")

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Hello Guys,

I am trying to communicate two XBee Znet2.5 module. i set one of them to be the coordinator and the other one to Router/End device…  
i have set all the parameters correctly, but it seems that i a have a problem with associassion because the CH value in the coordinator is 17, and in router CH is 0.  
I dont know why are the association is not carried out!!

plz help me guys asap!!

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**Author:** ![damons](https://avatars.discourse-cdn.com/v4/letter/d/ed655f/32.png) [@damons](https://forums.digi.com/u/damons)\
**Post date:** [January 13, 2009, 4:39am UTC](https://forums.digi.com/t/associassion-problem/2205/2 "2009-01-13T04:39:56Z")

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If you read the AI command on the router, what value does it return?