Meanings of the STAT indicator on OSN equipment

If the STAT indicator of a board is steady green, the board is working properly. If the STAT indicator is off, the board is not powered on. If the indicator is steady red, the board is faulty or a board hardware mismatch occurs. In addition, the STAT indicator and the SRV indicator have different service responsibilities.
According to descriptions provided by R&D engineers, service alarms are indicated by the SRV indicator, and other alarms are indicated by the STAT indicator, such as power supply alarms, temperature alarms, communication exception alarms, and alarms indicating absence of optical modules. This is a unified feature of OSN equipment.
For example, if an optical port is vacant on an SLQ16 board, the STAT indicator on the board is steady red. If an EOS board has a high temperature alarm, the STAT indicator on the board is also steady red.
Suggestion and conclusion:
If the STAT indicator on a board is red, you cannot determine that the board is faulty. Instead, you must check the alarm and fault on the board in detail.

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