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Structured Wiring System for Fiber and Network Infrastructure

Wiring system

System Overview

Fiber to the home

1. Commercial part: shops use at least 2-core single-mode fiber to indoor, and indoor secondary wiring is laid by users.

2. Office part: at least 4-core single-mode optical fiber is used in the office, and the secondary wiring is laid by the user.

Meet the principle of not less than one core for every 40 square meters.

3. Apartment part: all apartments use 2-core single-mode fiber to indoor, and indoor secondary wiring to the end socket.

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All-optical network wiring system

1. The OLT of the network computer room is transmitted to the ODN (splitter) through single-mode optical fiber, and the ODN is transmitted to the floor ONU,ONU through single-mode optical fiber through six types of unshielded twisted pair wiring to the work area.

2. The wiring system consists of optical fiber distribution frame, single-mode optical fiber, six types of unshielded twisted pair, copper cable distribution frame, combined plugs and sockets, jumpers, and other accessories.

3. There are 4 to 6 information points at the service desk in the public area; a language point and data point are reserved in important stations such as substations, living and fire water pump houses, and business management rooms are reserved by 10% according to the needs of workplaces; unplanned stations are configured according to 1 voice point and 1 data point / 5 square meters.

The equipment room control room is configured according to 1 voice point and 1 data point / room.

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System function

1. Work area subsystem.

The work area subsystem needs to meet the number and requirements of bidding drawings (or weak power information socket point table), and needs to distinguish voice points and data points with colors and patterns according to the design of bidding drawings.

2. Wiring subsystem.

The wiring subsystem adopts six types of unshielded twisted pair according to the requirements in the bidding diagram.

(optical fiber can also be used according to specific requirements)

The horizontal wiring system with twisted pair is adopted, and the length of the wiring is not more than 90m.

Unshielded twisted pair sheath (UTP) should be color-coded to distinguish between different user ends.

3. Trunk subsystem.

The trunk subsystem is transmitted from the OLT of the network computer room to ODN (splitter) through single-mode optical fiber, and the ODN is transmitted to the floor ONU through single-mode optical fiber.

It constitutes the backbone transmission medium between these locations and the related hardware connected to them.

The trunk system should include the vertical and / or horizontal distribution of optical and / or cables within the wiring room building.

The backbone system mainly includes large logarithmic cable and multi-core optical cable.

Cabling should support sound, data, video and daily operation and maintenance of the building.

The specification requirements such as bending radius and tensile strength of all cables should be observed in the wiring process.

The tender drawings specify the number (logarithm) and number of backbone cores of each floor line.

Use star topology to start the connection from MDF.

Each optical fiber should be marked with a color code.

The length of single-mode cable shall not exceed the value recommended by the equipment manufacturer or the length requirements to meet the specified performance level.

4. equipment-to-equipment subsystem.

The equipment subsystem includes program-controlled switching room, network switching room, weak power shaft on each floor and so on.

The subsystem of the equipment room needs to meet the functional requirements for all kinds of weak power room.

According to the specification, provide and install an equipotential grounding system to connect the following equipment:

Communication cabinets, equipment racks and distribution frames.

Communication slots, trapezoidal racks and bridges.

All exposed metal parts of telecommunications system equipment.

5. Building complex subsystem.

The building group subsystem includes the cable and optical cable connection between the buildings.

The general distribution frame entering a single building can be set in the wiring room or in the equipment room, as indicated by the bidding diagram.

The data trunks among the buildings are connected by optical cables, and the voice trunks are connected by cables.

6. Management subsystem.

The wiring equipment, cables, information sockets and other facilities in the wiring room, equipment room, handover room, work area and other places need to be managed uniformly, and their identification and recording modes should at least meet the requirements of relevant codes / standards.

7. UTP management system.

Copper connection components should be able to cross-connect or connect to each other by using cross-connect (jumper) wires or inserting (interconnected) wires.

The separation terminal module is used for sound and copper data transmission.

Telephone channels, PABX sounds, and the demarcation / separation between copper data and optical fiber data shall comply with the requirements on the drawings.

Allows the wiring module to be removed from the wiring (rack) without interfering with other communication services.

Contains a multi-port module for applying insulation breakdown connection (IDC) terminals.

The distribution frame sets aside at least 10% of the spare space and reserves the equipment tray.

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8. Optical cable management system.

Fiber patch boards should be installed in standard 19-inch cabinets, including ST/SC/LC connectors, including fiber management racks with drawer rails fixed in the cabinet, and crossover rings between each multi-port panel.

The wiring module is allowed to be removed from the distribution frame without interfering with other communication services, and has related modules such as winding, fixed cable and so on.

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9. Label

Label in alphanumeric order so that each part of the integrated cabling system has a unique identification.

If necessary, consider the labeling standards of existing buildings or customers.

The installation of the label system can not be started until it has been submitted for approval.

The following general labeling requirements shall be met:

The labels at each end of the cable should have a unique identifier and indicate their position from the main cable line.

A clear label holder shall be provided at each port of the patch board in accordance with the manufacturer’s standards.

The Jack board should be labeled with a label that matches the wiring label.

Naming is based on the principle that it is easy to identify the cable type.

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Stephen Xie

Stephen Xie

Hello, I'm Stephen Xie, a sales representative at Hello Signal. I specialize in Passive Optical Components and Cabinet & Racks. I can recommend the most suitable products at competitive prices, ensuring worry-free service. Feel free to contact me with any questions.

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