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HomeSoftware TutorialMobile ApplicationWhat should I do if my router keeps the red light on and there is no internet connection? Detailed explanation: How to fix the red light on my router.

php editor Zimo will explain in detail the solution to the problem that the router keeps the red light on and no network connection. A red light on the router usually indicates that there is a problem with the network connection, resulting in the inability to access the Internet normally. This can be due to a variety of reasons, such as network failure, configuration issues, or hardware damage. In this article, we'll walk through possible solutions one by one to help you quickly restore your network connection so you can surf the Internet smoothly.

1. There is a problem with the optical interface of the optical modem and the optical modem needs to be replaced. Just plug in the connector and it will resume.

2. Some indoor optical fibers are bent too much. It is the "network card failure" of the device. If it is not lit, it means "not connected" or "the device cannot be recognized"

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router

line refers to Signals, such as signals fed back by the Internet. And data refers to data, wifi, etc. When line connects to modern, data transfers information. The line is always on, which means the wireless signal is normal. It usually stays on when the wireless signal is turned on in the router. The flashing indicates that there is a device connected to the Internet through WiFi.

4. The optical modem is faulty, causing the fiber optic signal to be unable to be converted normally.

5. The optical fiber pigtail fails, resulting in the inability to transmit optical signals to the optical modem normally.

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Router

6. There is a failure in the external network (generally refers to the failure of the uplink optical splitter), resulting in a failure of the local area network.

7. The optical modem is powered off, wait for a few minutes and then power on again to see if it is normal. If the fault persists, it is recommended to call customer service directly for repair.

Solution:

Re-unplug the network cable. Connect the network cable from the modem to the WAN port of the wireless router. Then reset the wireless router. If it still doesn’t work, connect the computer to the wireless router. On any LAN port, reset the wireless router (restore to factory settings), check after a while, turn off the modem and the wireless router, and then turn them on again.

Data extension

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Network structure diagram of router operation

Router is a device that connects two or more networks A hardware device that acts as a gateway between networks is a dedicated intelligent network device that reads the address in each data packet and then decides how to transmit it. It can understand different protocols, such as the Ethernet protocol used by a local area network and the TCP/IP protocol used by the Internet. In this way, the router can analyze the destination addresses of data packets from various types of networks, convert the addresses of non-TCP/IP networks into TCP/IP addresses, or vice versa; and then route each data packet according to the selected routing algorithm. Deliver the best route to the specified location. So the router can connect non-TCP/IP networks to the Internet.

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