rpMauType 1.3.6.1.2.1.26.1.1.1.4

This object identifies the MAU type. Values for standard IEEE 802.3 MAU types are defined in the IANA maintained IANA-MAU-MIB module, as OBJECT-IDENTITIES of dot3MauType. If the MAU type is unknown, the object identifier zeroDotZero is returned.