Huawei SmartAX MA5600T Hardware Description page 143

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Table 2-37 Settings of S1-5 and S1-6
S1-6
ON
ON
OFF
OFF
Table 2-38 Settings of S1-7 and S1-8
S1-8
ON
ON
OFF
OFF
NOTE
Fan Speed Adjustment
Set the fan speed adjustment mode to "automatic" or "manual" in the command line interface
(CLI). After the fans are installed, they work in automatic mode by default.
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Issue 24 (2018-07-30)
S1-5
ON
OFF
ON
OFF
S1-7
ON
OFF
ON
OFF
The fan tray (FMCA) of the MA5603T must use speed adjustment policy 1.
Automatic mode
– Control-system-triggering: The control system automatically adjusts fan speed
according to the board temperatures for energy conservation.
– Monitoring-board-triggering: The speed is automatically adjusted based on the
temperature which is detected by a temperature sensor.
NOTE
The automatic mode has two variants (automatically selected by the system): control-system-
triggering and monitoring-board-triggering.
Manual mode
Commands are executed to adjust fan speed. The levels range from 0 to 6, level 0 being
the lowest speed and level 6 being the highest speed.
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Speed Adjustment Mode
Temperature measurement at
the air intake vent (reserved)
Temperature measurement at
the air exhaust vent
Temperature measurement at
the air intake vent
Temperature measurement at
the air intake vent (the fan stops
rotating)
2 Subrack and Chassis
Fan Quantity
6
8
4
10
Adjustment Strategy
Strategy 1
Strategy 2
Strategy 3
Strategy 4
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