Functional description
3.10.8.8 — 1+1 Hot StandBy for MPR-e
When protection is switched in 1+1 HSB configuration, the spare ODU module is
squelched.
3.10.8.8.1 — HSB Switching Criteria
The switching criteria are:
•
MPT Access Card Fail status
•
IDU-ODU Connection Failure
•
ICP alarm
•
Incompatible Shifter alarm
•
Incompatible Frequency alarm
•
Incompatible Power alarm
•
Incompatible Modulation Parameters alarm
•
Mated MPT Access card Failure
•
Inter-MPT coupling link failure. Where there is a cross configuration (EPS on Spare
& TPS on main), HSB (TPS) will switch and align with EPS position, if there is an
inter-MPT coupling link failure.
154
Figure 3.64 — Auto TX mute in XPIC configuration
MPR-e and MSS-1c User Manual 3DB19901EFAA Edition 01