Can I update Wiz108sr with Wiz107sr?

Hi Support,

I recently bought Wiz108SR because webshop run out of Wiz107SR.
All I wanted was TTL UART, ie to hook Tx and Rx pins out of the W7100A chip
to my microcontroller at TTL 3v3.

kind regards,

Below is WIZnet response.

Dear customer.

Thanks for your interest in WIZ108SR.
You can use TTL UART by removing TTL to RS converter.
And connect rx and tx refered to 7100A schematic or WIZ108SR schematic.