aturesOSN 7500
Technical Manual - System Description 8 Protection
Huawei Technologies Proprietary
8-1
8 Protection
This chapter describes the protection schemes, at the equipment level and network
level, provided by OptiX OSN 7500. It covers:
Equipment level protection
Network level protection
8.1 Equipment Level Protection
The OptiX OSN 7500 supports the following protection schemes at the equipment
level:
TPS protection for tributary boards
TPS protection for Ethernet boards
1+1 backup for ATM/IMA interface boards
1+1 backup for the cross-connect unit and timing unit
1+1 backup for the SCC unit
1+1 backup for the power input unit
1:N protection for the +3.3 V board power supply
Intelligent fans
Abnormality-specific board protection
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