cpeExtPsePortLldpPdPwrPairsOrZero 1.3.6.1.4.1.9.9.402.1.7.1.14

This object indicates the pinout pairs in use received from the remote PD via MDI TLV in LLDP Protocol. 'unknown' - information is not available 'signal' - the signal pairs are in use. 'spare' - the spare pairs are in use.