What are the solutions for fiber-to-the-home solutions?
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What is the structure of fiber optic home? 
Fiber-to-the-home access has many architectures, of which there are mainly two types: one is a point-to-point topology, and one fiber is used from the central office to each user; the other is passive light using a point-to-multipoint topology. The network (PON) adopts a point-to-multipoint solution, which can greatly reduce the number of optical transceivers and the usage of optical fibers, and reduce the rack space required by the central office. This has a cost advantage and has now become mainstream.
What are the fiber-optic entry plans? 1. The developer has installed a weak multimedia box in the user's foyer, etc. If there is enough space in the low-power multimedia box (at least 2FE+1 POTS port ONU equipment can be placed), the ONU equipment can be installed. Installed in the box, when the construction of the household skin cable directly from the household weak light pipe to the weak multimedia box. It is recommended that developers introduce strong electricity into a weak multimedia box, or that the developer, property and user inform the user in advance of the decoration company selected by the user to introduce the strong electricity into the weak multimedia box. The cable (on the fifth line or white line) of the ONU can also be informed in advance by the developer or the property and the user that the decoration company selected by the user has taken into consideration the indoor wiring.
If there is no ONU installation location in the low-power multimedia box, you can make the following suggestions to the developer:
a. China Unicom provides 450m x 350mm x 100mm low-power multimedia boxes. It is recommended that developers replace their existing weak multimedia boxes, or install weak multimedia boxes near the users' indoor power supplies, or install new low-power multimedia boxes at the user's door. To meet the installation needs of ONU equipment. It is recommended that developers introduce strong electricity and dark pipes from the user's room to newly installed weak multimedia boxes. 
b. If the developer does not agree with the above suggestion, the user can use the in-house pick-and-place optical cable directly to the low-power multimedia box installed by the developer. After the user requests the cable, the optical cable is cold-connected and the user can put it into the user's room as an ONU device. Provide a suitable location for the power supply, and the ONU device is in a clear place. Unicom may advise the developer or property to inform the user before the user's decoration. If the user has broadband requirements, the decoration company selected by the user should consider the indoor wiring.
2. The developer's user room is not equipped with a low-power multimedia box. Unicom provides a low-power multimedia box with a size of 450mm×350mm×100mm. It is recommended that developers install a low-power multimedia box or install a low-power multimedia box at the door of the user to meet the ONU equipment. The installation needs. The developers introduced the strong electricity and dark pipes from the user's room to newly installed weak multimedia boxes. The OUTU cable (type 5 cable or white line) can be informed in advance by the developer or the property and the user that the decoration company selected by the user should consider indoor wiring. 
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