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Table 1-262 Buttons
Before removing a board, press and hold the OFL button for about 6
seconds until the OFL indicator turns on. Then, you can remove the
board.
Table 1-263 Indicators
Before the board registration: The green indicator blinks twice every
second (2 Hz).
After the registration of the board: If the green indicator blinks once
every two seconds (0.5 Hz), the system is working properly.
If the red indicator is off, the board is working properly. If the red
indicator is on, the board is powered off.
Functional Specifications
Table 1-264 Functions and features
Reliability and
availability
The 3+1 backup mode is used. The four SFUs balance services at the
same time. If one SFU is faulty or replaced, the other three SFUs
automatically take over its services to prevent service interruptions.
Technical Specifications
Table 1-265 Board specifications
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