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No. 1492 Re: Change without Reset -EMC -864Mhz pollution 2017-05-12

Dear BOGLYAS Christophe,

Thank you for using our products.

I answer four questions in order.

- The interval parameter does not have any meaning in this case.
Its original meaning is desicribed in page 9 of this document: http://www.eztcp.com/documents/application/an_ip_change_notification_en.pdf

- To avoid the power reset when changing IP address, you can change IP address via AT command. To AT command, please refer to:
+ Page 27, 39 to page 42 of User Manual http://www.eztcp.com/documents/manual/csem53nen.pdf
+ https://www.eztcp.com/documents/application/an_atc_mode_en.pdf

- The CSE-M53N'ss interface is silmiar to the CSE-M53 but its core is very different.
It is very hard for us to give you an proper solution.
But I recommend you to add a bead between 3.3V power line in series.
(Let CSE-M53N get its 3.3V power through the bead.)

- I am afraid but I don'st have any idea for this issue.
I think that some protection component(for example: TVS) would be helpful.

I hope the above is useful to you.
Please feel free to contact me if you need any further information.

Thank you,

Best regards,



> BOGLYAS Christophe wrote:
> ------------------------------------
> Hi,
> I have tested your firmware 2.1A (sent to Mr BACHELET item 1481) and it looks fine for Host configuration. What is the meanning of interval 0 exactly ?
>
> Due to you efficiency I do have 3 other questions !
> - In version M53 any change on IP address was immediate( when configured in Static IP) , with M53N a power reset need to be made, do you have a trick (or an other version) to avoid power reset ?
> - We are using M53N with Radio 864 MHz and there is a frequency pollution , this pollution wasn’t present with M53.We have done extensive research to find this issue. Any data on this difference ? How to avoid pollution at 864 MHz ?
> - We do encounter some defective component following a power reset, eather when connecting or when disconnecting our POE. It loks like a EMC issue, please recommend a schematic to avoid this ?
> Best regards

Writer Sollae Systems Company