Description of DIP Switches
The ESTI fan tray uses the FCBI fan monitoring board, and the 19-inch fan tray uses the FCBH
fan monitoring board.
The fan monitoring board provides a set of DIP switches named SW2. Figure 1-5 and Figure
1-6 show the layout of the DIP switches of the ESTI and the 19-inch fan trays respectively.
Figure 1-5 Layout of the DIP switches (in default settings) of the ESTI fan tray
Figure 1-6 Layout of the DIP switches (in default settings) of the 19-inch fan tray
Table 1-8 lists the usage of the SW2.
Table 1-8 usage of the SW2
DIP Switch Usage
SW2-1 Used to set the sub-node address. This value must correspond with
the configured sub-node address of the fan in the system and cannot
be identical to the address value of the ESC sub-node. Such
restrictions ensure that the fan tray can communicate with the control
board. For detailed information, see Table 1-9.
l ON: The mapping address bit is 0.
l OFF: The mapping address bit is 1.
SW2-2
SW2-3
SW2-4 Used to set the baud rate of the communication between the fan tray
and the control board.
l ON: The baud rate is 19200 bit/s (default).
l OFF: The baud rate is 9600 bit/s.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide 1 Commissioning
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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