This occurrence begins the alarm integration period. Major alarms affect several subscribers who connect to the reporting node. See also critical alarm and minor alarm . Management Information Base See MIB . Mbps Megabits per second, a measurement of transmission speed.
Minor alarms affect a single or small number of subscribers who connect to the reporting node.
See also critical alarm and major alarm . MPC Management processor card. NTC Network trunk card. PAIS Path Alarm Indication Signal. A PAIS defect occurs when an LOS, LOF, LAIS, or LOP is detected on the incoming signal of an upstream network element.