Chapter 3. Configuration61200217L1-1 T3SU 300 User Manual 3-17Figure 3-9. Trap Generation MenuTable 3-4. Near End Alarm Trap DescriptionsTrap Type If ENABLED, this trap is sent...Red Alarm (LOS) when the unit detects a loss of signal.Out of Frame (OOF) when the unit detects an out of frame condition.Yellow Alarm (RAI) when the unit detects an incoming RAI signal.Blue Alarm (AIS) when the unit detects an incoming AIS signal.Idle Signal when the unit detects an incoming idle signal(1100) over the entire DS3 bandwidth.