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glad to hear!

I think we are at the point where you should contact your retailer because I have no more ideas, sorry
If your retailer has questions regarding the further procedure he should contact me directly...

at least USB and RS232 are working again

I think you changed the device address (standard is 1), maybe accidentaly, and after factory reset the address was again 1 and ProfiLuxControl was able to...

and the firmware version has not changed meanwhile?

I can't imgine how it should happen that 2 cards become defective at the same time without any reason. Did you make a "hotplugging"?

"As per original post, I have directly connected to the profilux LAN car with no routers or firewalls involved, still unable to connect."
-> I meant the windows firewall (not a hardware firewall) -...

the device address is usually 1, independent from the used slot
you don`t need the redirector, actually this part of software is included in ProfiLuxControl when you use "TCP/IP" under connection...

did you change the baudrate in the inbuilt server and/or in Profilux?

another idea - we noticed that there is a problem with some routers/switches if the LAN card uses "auto negotiation" for the...