There are many signal lights on the fiber optic modem, and we can judge whether the equipment and the network are faulty through the indicator light. Here are some common optical modem indicators and their meanings, please see the detailed introduction below.
1. In order to facilitate the location of the problem, the firmware of the optical modem will define some indicator lights. When a specific indicator light changes, the indicator light can be used to determine whether the device and the network are faulty. Here are some common optical modem indicators and their meanings. The normal condition of a fiber optic cat is that 3 green lights are always on, which are power light, pon light, lan1 light or lan2 light.
Power light: Normally, the indicator light is always on.
PON is the data light: it is always on under normal conditions, if it flashes, it is faulty.
LOS indicator light: red light means the light path is interrupted.
LAN1 indicator light: used for broadband Internet access. When the indicator light is always on or flashing when connected to a computer or router, the connection is normal. If the indicator light is not on, please check your own network (such as the network cable is broken, the crystal head is not properly inserted, the computer network card is faulty, the router is faulty).
LAN2 indicator: Used to connect to Unicom TV set-top box indicator, always on or flashing is normal. If the indicator light is off, please check whether the network cable connection is normal. Whether the crystal head is loose. The indicator of the missed call is flashing.
PHONE indicator: fixed-line indicator. The answering phone indicator light is always on.
2. Then check the wireless router, whether the light is normal
The first light is on: it means the router is working normally.
The second to fifth lights are on: indicates that a computer is connected to the router.
The sixth light is on: it means this router is connected to the Internet.