The optical fiber of China Telecom was connected to the corridor of our building, but could not be directly connected to my house for various reasons. But there is a network cable buried in the wall connected to my house in the corridor. I wonder if it can be used in this way, buy a pair of optical fiber receivers, convert the optical information into electrical signals in the corridor, enter the house through the network cable, and then use the other end of the network cable at home. Convert the electrical signal back to the optical signal, and connect the telecom to the optical cat.

The problem I am worried about now is that the paired fiber optic transceivers sold online are all (electrical)—> (optical fiber transceiver A)—> (optical)—> (optical fiber transceiver B)—> (electrical) so The optical signal sent by themselves can definitely be recognized on the other end, but I don't know if it can recognize the optical signal sent by China Telecom (I don't know if the optical signal also has something similar to the protocol), and it sends Whether the optical signal can be recognized by China Telecom's optical cat.

In addition, the telecom fiber cannot be used in the home not because it is not long enough, but because the property does not allow holes to be made in the wall, because there are many wires embedded in it, and the wall is super thick.

(The reason why I have to bring the optical signal to the house is because the optical modem has three functions: broadband, IPTV, and telephone. If the optical modem is placed outside, a single network cable can only handle two functions at most, which is very confusing.)

Answer:

Telecom has optical fiber extension cables and optical fiber straight-through devices, which can be extended when connected. There is only a certain amount of light attenuation. Theoretically, it should be feasible, only ask the installer of the telecom if it will work. In addition, the optical fiber of general telecommunications is single-mode, and the transceiver you buy must also be single-mode.