NOTE
When S1-1, S1-2, and S1-3 are used to set the subnode address, make sure that the DIP switch settings
are consistent with the data configuration. But the subnode address value cannot be the same as that of
the environment monitoring board.
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.
l 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.
l 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.
2.5.6 ESD Jack
The ESD jack of the MA5603T chassis is on the lower right corner of the chassis, which is
used to connect the ESD wrist strap to prevent device damage caused by electrostatic
discharge.
The position of the MA5603T chassis ESD jack, as shown in Figure 2-22.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
2 Subrack and Chassis
Issue 24 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
127
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