A few questions about the application of ethernet controller and PHY chip and SFP module

Published: 14/11/2019
A few questions about the application of ethernet controller and PHY chip and SFP module
Source: ELECTRONICS.STACKEXCHANGE.COM

I have a question about the connection/application between the ethernet controller and PHY/SFP modules. Actually, there're so many scenarios for building up a NIC card, which makes me confused. For example, we can use an ethernet controller with the following connections: controller ==> PHY chip ==> RJ45 connector ==> copper cable controller ==> PHY chip ==> SFP module ==> fiber cable controller

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