UnitekFiber Solution.
UnitekFiber Solution.
Data Center

Data Center

                   With the rapid development and expansion of network information technology, it has greatly promoted the continuous innovation and development of modern communication technology. The advanced technology of optical fiber communication has been widely used in the telecommunications industry.  It has a very important role in the global information society. This article will provide a brief introduction to the fiber-to-the-home (FTTH) project.

FTTH (Fiber To The Home) refers to the entry of fiber into each user's home and the installation of an optical network terminal (ONT) in the home user. The outstanding technical features of FTTH are not only to provide higher bandwidth, but also to improve the anti-interference of the access network and the comprehensive provision of network services. Due to the small size of the client device, the home environment easily meets the ONT installation requirements, simplifying maintenance and installation. FTTH uses a passive network, from the central office to the user can be completely passive so each user can allocate up to 100Mbit / s or even higher bandwidth.

FTTH network structure

FTTH related device introduction

Fiber Optical Splitters 

An OLT (Optical Line Terminal) device is an important central office device that connects one or more ODNs. OLT device can provide a WAN interface , usually connected to the aggregation switch or directly connected to the BRAS. OLT device can also provide a 2.5G optical interface to the ODN, with the function of centralized bandwidth allocation, control of the optical distribution network, real-time monitoring, and operation and maintenance of the passive optical network system.
The optical splitter (also known as OBD) can be expressed as N × M, N is the number of input fiber paths, and M is the number of output fiber paths. In the FTTH system, N can be 1/2 and M can be 2/4/ 8/16/32/64/128, etc.
According to the manufacturing process, the optical splitter can be divided into a fusion taper splitter (FBT Splitter) and a planar optical waveguide splitter (PLC Splitter). The PLC Splitter is commonly used and it can be divided into box type, rack type, tray type according to different packaging methods.

Box Type PLC splitter  LGX cassette PLC splitter
     Box Type PLC splitter                                                                           LGX cassette PLC splitter
PLC Splitter Rack Chassis type

                                                                                         PLC Splitter Rack Chassis type

Optical Wall mounted distribution Fibr Box
The optical Wall distribution fiber box is generally installed in the weak current well or corridor. It is mainly used to install the optical splitter and configure the optical fiber fusion splice tray for terminal fusion splicing and branch connection of ordinary optical cables and butterfly optical cables.

Optical fiber splitting box


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