Meaning of the indicator lights on the 8-channel optical transceiver

Release time:

2025-05-16

After completing the optical transceiver installation project and ensuring there are no errors, turn on the device power, and the RUN indicator light will illuminate. No alarm lights should be illuminated during normal operation.

Meaning of the indicator lights on the 8-channel optical transceiver

About 8-channel optical transceiver Let's learn about the indicator light meanings.

8-channel optical transceiver Front panel as shown:

Meaning of indicator lights on the panel

LED Name	Indicator Light Meaning	Color	Remarks
RUN	When the device is powered on normally: On	Green	Device power-on indication
TST	Invalid	Green
LOS	When the link input signal is lost: On	Red	Link receive status indication
LOF	When the link receive signal is out of step: On	Red
ERR	When the link receives a signal alarm: On	Red
DA	When the remote device alarms: On	Yellow
LNK	When the Ethernet is occupied: On	Green	Ethernet channel occupancy status indication
SB1~SB8	When the channel is occupied: On (or flashing)	Green	Sub-channel occupancy status indication
Note: A red light indicates a fault on this end device (including wiring faults). A yellow light indicates a fault on the remote device (including wiring faults). A green light only indicates the device's operating status and has no alarm meaning.

After completing the optical transceiver installation project and ensuring that there are no errors, turn on the device power, and the RUN indicator light will turn on. No alarm lights should be on during normal operation.

Through the above table, we can clearly understand the meaning of the indicator lights of the 8-channel optical transceiver and understand the working status of the optical transceiver. Those who purchased the ZMUX-08S optical transceiver can refer to the manual or this article.

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