An me1200PtpNotifsPortStateChange notification is sent when the Port State changes occurs. Port State is an enumerated integer value. Description of various possible Port States is: initializing - In this state a port initializes its data sets, hardware, and communication facilities. faulty - The fault state of the protocol. disabled - The port shall not place any messages on its communication path. listening - The port is waiting for the announceReceiptTimeout to expire or to receive an Announce message from a master. preMaster - The port shall behave in all respects as though it were in the MASTER state except that it shall not place any messages on its communication path except for Pdelay_Req, Pdelay_Resp, Pdelay_Resp_Follow_Up, signaling, or management messages. master - The port is behaving as a master port. passive - The port shall not place any messages on its communication path except for Pdelay_Req, Pdelay_Resp, Pdelay_Resp_Follow_Up, or signaling messages, or management messages that are a required response to another management message uncalibrated - The local port is preparing to synchronize to the master port. slave - The port is synchronizing to the selected master port. p2pTransparent - The port is in point to point transparent state. e2eTransparent - The port is in end to end transparent state.