Specifications

1-4A.13
Proprietary and Confidential
LPU STATUS PFRU
Limit value for shutdown: 20% of the protection interval of the DAB transmission mode
PFRU drift rate spec.: < 18us in 24 hours.
Mode I: GI = 246 us (20% = 49.2us)
 >24hr timeout
Mode II: GI = 62 us ( 20% = 12.4us)  16hr timeout limit
Mode III: GI = 31 us ( 20% = 6.2us)
 8hr timeout limit
Mode IV: GI = 123 us ( 20% = 24.6us)
 >24hr timeout
Behaviour in case of GPS loss