ME60
Hardware Description
1 Hardware Description
Issue 01 (2018-05-07)
207
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Table 1-208
Buttons
Name
Description
OFL
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 1-209
Indicators
Name
Description
RUN
Before the board is powered on and registers, this indicator blinks
slowly (2 Hz).
After the board is powered on and registers, if this indicator blinks at
0.5 Hz, the system is working properly.
ACT
If this indicator is steady green, the board is working properly; if this
indicator is off, the board is faulty.
OFL
When the board is working properly, the OFL red indicator is off.
After the OFL button is pressed to power off the board, the OFL red
indicator is on.
Functional Specifications
Table 1-210
Functions and features
Functions and
Features
Remarks
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.