AN3756
Title:
LAN9253 and LAN9254 Cable Diagnostics
Description:
The PHYs provide cable diagnostics that allow detection of open or shorted Ethernet cabling, as well as estimation of cable length to the open or short fault. The cable diagnostics consist of two primary modes of operation:
• Time Domain Reflectometry (TDR) Cable Diagnostics
• Matched Cable Diagnostics
