Maintenance Guide Part 1

NeTIS MAINTENANCE GUIDE – Version 1.1 35/139
All the clock signals must be perfectly recurrent, stable and exempt from jitter.
Check in the following order:
Position 7: TETRA clock symbol 18 KHz
Position 5: clock time slot 70 Hz
Position 4: clock frame 70 / 4 Hz = 17.5
Position 3: multiframe 1.02 second (18 frames)