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DP83TD510E-EVM: Could DP83TD510E-EVM used for POE (although DP83TD510E-EVM seems not intentionally for POE) ?

Part Number: DP83TD510E-EVM

Say you have two DP83TD510E-EVM and a 3-wire cable, 

is it possible to use the old fashioned  transformer center tapping method (receiver)

with two (0.1%-matched) injecting (6.8k/48V - 1k2/24V - 0k68/12V) resistors (transmitter)? (IEC61938/AES42)

How much care about TX+/TX- ? May the voltage ratings be exceeded if current ratings are observed?