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How does a sleeping end device retain network information in order to send input change immediatly ?

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Hi,
I am using serie 2 xbee modules in API mode.
I have a coordinator, a router and 4 end devices.
End devices are configured to wake up on pin 9 de-asserting.
Out of my end devices, only one of them wakes up, sends its message immediatly and goes back to sleep. This is the behaviour I would like to get for each radio.

The others need continuous inputs to keep the radio awake so that it can find the coordinator or router and finally send the message.

If it is helping I am using the 29A7 firmware for end devices.

I cannot figure out what is the difference of set up between my radios.

Any help will be very welcome.

Have a nice day!
asked Sep 30, 2015 in RF Solutions and XBee by froggie_59 New to the Community (8 points)

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1 Answer

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Best answer
Check the SP time values on the Router and Coordinator. They should be set to match the longest time your end devices are sleeping.
answered Oct 1, 2015 by mvut Veteran of the Digi Community (12,786 points)
selected Oct 5, 2015 by froggie_59
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