IQASI82: Dual ASI Transport Stream Monitor and Switch Datasheet (DS-PUB-2-0839B-EN) File size: 163.3 KB, posted Jun 14 2021 The IQASI82 from Grass Valley monitors two ASI streams simultaneously for errors, automatically switching from main and backup inputs depending on error criteria. Alarm management flexibility is provided by user-defined criticality of alarms from transport stream loss to PID monitoring and basic ETSI TR 101290 alarms.