Ports corresponding to the working and protection channels on the OLP board of BWS 1600G

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On the OLP board, the TO1/RI1 port is configured as the working channel and the TO2/RI2 port is configured as the protection channel.

Other related questions:
Ports corresponding to the working and protection channels on the OLP board of BWS 1600G
On the OLP board, the TO1/RI1 port is configured as the working channel and the TO2/RI2 port is configured as the protection channel.

Whether the working and protection channels must be fixed when the OLP board is used to configure OLP protection
When the OLP board is used to configure OLP protection, the working channel must be the optical port 1 (RI1/TO1) of the OLP board and the protection channel must be set to optical port 2 (RI2/TO2). Otherwise, the OLP protection group cannot work normally.

Whether LOG boards can work with OLP boards to form protection between different channels
Yes. LOG boards can work with OLP boards to form extended intra-board 1+1 protection or client 1+1 protection.

Working modes of fans on BWS 1600G
Fans on BWS 1600G support two working modes: adjustable speed mode and automatic adjustment mode. In adjustable speed mode, the fan speed can be manually set to high speed, low speed, or stop. In automatic adjustment mode, the temperature of each board on an NE will be periodically detected at an interval of 1 minute. Each board has its own temperature thresholds. The system control board checks the temperature of each board. The system control board increases the fan speed upon detecting that the temperature of one board exceeds the upper threshold and decreases the fan speed after detecting that the temperature of all boards is lower than the lower threshold. Therefore, the system control board can determine the appropriate fan speed and automatically adjust the speed.

Fan working mode of BWS 1600G
Question: What are the working modes of fans on BWS 1600G devices? Answer: Fans on BWS 1600G devices can work in two modes. One is the speed adjustment mode. In this mode, the fan speed can be manually set, including high speed, low speed, and stop. The other mode is the automatic adjustment mode. The system control board regularly checks the temperature of each board on the NE every minute to determine whether the temperature of each board exceeds the threshold. If the temperature of one board exceeds the upper threshold, the fan board enables the high speed mode. If the temperature of all boards exceeds the lower threshold, the fan board enables the low speed mode.

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