The OS40 1800 Device EX40 Queries for Abnormal Optical Power

The OSN1800 uses the EX40 board as a split-wave board. When the same batch of devices queries the optical power for a certain day, some boards can query the input and output optical power. Some boards can only query the output or input optical power, as shown in the following figure. :

Processing

1. The same batch of devices, so the device version is the same, host version: 5.67.06.35 board version: 3.33 hardware version: F1EX4001 network management version: U2000V2R15C50SPC200

2. Because the EX40 board is a split-wave integrated board, and it can realize two-fiber two-way and two-fiber two-way application. It is suspected to be a setting problem.

3, check the network management settings interface, there is no place to set

4. After confirming, the application mode and logical connection of the EX40 board are bound together. As a multiplexer or a splitter board, it is necessary to connect the logic fiber and distinguish the multiplexed wave according to the direction of the logic fiber. If the logical connection is not connected, then the default is single-fiber bidirectional, so the input and output can be queried when querying the optical power.

Root cause

The logical fiber is not connected, causing the query optical power to have both output and input.

solution

Connect the correct logic to the fiber and solve it.

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