We are using your WIZ107SR-TTL in one of our designs and we have relevantly large number of devices/modules which are not responding to you config tool or serial debug.
Most of these devices were initaliy reponding but stoped working for unknown reason.
Please, we need to detail information.
What’s happens in module? When your WIZ107SR-TTL not worked, It was turn off LED? or Is the TCP connection lost?
How made to whole your system?
First, We want to know that why happens this action to WIZ107SR-TTL.
So please tell me detail information.
the application is Location tracking readers, so we have small packets (15 bytes) and there might be a lot of them, even as many as 100+ packets in 1 second
It is very difficult and complex to find the cause of these symptoms in many products. Are all of these phenomena found on one site? How many of the products did you find a problem with? Is the product installed in an environment that is susceptible to electrical damage or noise?
Please check the followings:
Is there a possibility that the serial debug message output will cause confusion to the device connected to the UART?
Is there a possibility that the IP addresses of the devices connected to the same network are duplicated?
Wireshark packet capture file at the time of the problem occurred - It can be checked on your server
The modules are not responding to anything! not serial debug and are not found using the ConfigTool.
The uart is not transmitting any signals.
there is no ethernet data created and not visual viw wireshark