How to choose optical cable for indoor integrated wiring


As a transmission medium in integrated wiring system engineering, optical cable has a wider and wider range of applications, and is constantly meeting people's needs for information and communication networks. However, due to the special indoor environment, how to choose optical cables for indoor integrated wiring has become a knowledge that we need to understand clearly.


How to choose optical cable for indoor integrated wiring

In the integrated wiring system, the floor-to-floor lifting of the optical cable in the vertical system, the narrow space application of the communication cabinet in the horizontal system, the application of optical fiber to the desktop, and the communication application that passes through the high-pressure air-filled space all put forward different requirements for the indoor optical cable. Therefore, it is necessary to be extremely cautious in the selection of indoor optical cables.


At present, most of the indoor optical cables use tight-buffered optical fibers or single-core cables as the basic unit, reinforced by aramid yarns, and soft optical cables with flame-retardant or non-flammable sheaths. Its advantage is that the tight sleeve is integrated with the optical fiber to provide good mechanical protection, so that the optical fiber shows good compression and bending resistance during termination; good flexibility and toughness, small bending radius; very good Good environmental protection improves the service life of the optical fiber.

ftth cable

The tight-buffered fiber also has excellent moisture resistance; the tight-buffered buffer layer is easily stripped to the fiber core; it is compatible with all standard types of connectors; it simplifies the termination procedure and reduces termination costs. The tight-buffered fiber design and flame-retardant or non-flammable jacket make the indoor cable fully compatible with indoor safety applications. Therefore, indoor optical cables with tight-buffered optical fiber design are generally used in indoor high-performance communication transmission applications.


When conducting integrated wiring, we generally use two types of optical cables: vertical lift optical cables and rodent-proof optical cables.


Vertical lift optical cable: After the optical cable enters the building, it is necessary to provide the connection between the entrance equipment, equipment room or computer room and the communication cabinets on different floors, which is called "vertical wiring system". At this time, the optical cables are mostly located in the vertical pipes of the shafts between floors. For this reason, the fiber optic cable needs to withstand greater tensile forces.


Anti-rat optical cable: single-core or multi-core tight-buffered optical cable protected by stainless steel hose, which has the characteristics of strong lateral pressure resistance, bending resistance, high tensile strength, and excellent anti-rat performance. It can be used in situations where trampling occurs, such as under carpets or where limited space requires frequent bending or rodent infestation.


Indoor integrated wiring optical cable

What are the common terms for weak current intelligent integrated wiring

1. 1000BASE-T: A current local area network standard for implementing 1000 Mbps Ethernet over Category 5+ class twisted pair cable, see also Gigabit Ethernet.


2. 100BASE-T: Twisted pair version of 100Mbps Ethernet, requiring Category 5 or higher twisted pair cable


3. 10BASE2: Also known as "thin cable network". 10 Mbps Ethernet over thin (RG58) coaxial cable.


4. 10BASE5: Also known as "thick cable network". 10 Mbps Ethernet over thick coax.


5. 10BASE-T: 10 Mbps Ethernet over twisted pair (category 3 and above).


6. 110 Connector: A commonly used insulation displacement connector (IDC) that uses modular jacks, patch panels, and cross-connects.


7. 3270 (IBM): A mainframe computer. Originally run on RG62 coaxial cable, now generally run on unshielded twisted pair.


8. 66 Block: A traditional cross-connect system that functions similarly to the AMP 110Connect XC.


9. AS/400 (IBM): A medium-sized computer system. At first run on twinax cable. It is now common to use a medium equalizer to operate on unshielded twisted pair.


10. Attenuation: The energy lost by a signal as it travels through a cabling system.


11. Backplane: Refers to the plywood that is fastened to the wall of the telecommunications cabinet. Used to install cross-connects.


12. Backbone cables: connecting cables between floors of buildings or buildings in a park.


13. Equalizer: A converter used to connect coaxial or twinaxial cable equipment to twisted pair cable


14. BNC: A coaxial cable connector.


15. Category 3: A class of twisted pair cables, connectors, and system performance. Provisions apply to 16Mhz voice and data applications below 10 Mbps.


16. Category 5: A class of twisted pair cables, connectors, and system performance. Provisions apply to 100Mhz voice and data applications at rates below 155 Mbps (or 1000 Mbps).


17. 5e category: also known as super 5 category. A class of twisted pair cables, connectors, and system performance. Provisions apply to 100Mhz voice and data applications at 1000 Mbps and below.


18. Category 6: A class of twisted pair cables, connectors and system performance. Performance specification for bandwidths below 250 MHz.


19. Channel: The entire horizontal cabling system. Each connection component between a computer and network switching equipment in a telecommunications cabinet, excluding equipment connections.


20. Coax: Abbreviation for coaxial. Single-conductor cable with braided shield. Used in the 80's for data transfer. It is now generally replaced by UTP (unshielded twisted pair). But still used for video transmission.


21. Rendezvous: An interconnection device that divides horizontal wiring into two parts. For regional cabling.


22. Cross-connect (XC): Connecting hardware used to connect two sets of cables (eg, horizontal cables to backbone cables). AMP110Connect XC.


23. Data rate: The speed at which a particular network (or other device) transmits data, measured in bits per second.


24. dB: Abbreviation for decibel. The logarithmic ratio of two powers, voltages or currents.


25. Delay skew: The difference in propagation delay between the slowest and fastest wire pairs in a cable or system.


26. Downline: refers to the horizontal wiring of cables in a work area, such as "There are 100 downlines in this work area."


27. ELFEXT: Equivalent Far End Crosstalk. A method of measuring FEXT (Far End Crosstalk) for cabling system attenuation.


28. Super Category 5: Also known as Category 5e. Also known as Enhanced Category 5. A class of twisted pair cables, connectors, and system performance. Provisions apply to 100Mhz voice and data applications at 1000 Mbps and below.


29. Ethernet: The most commonly used network protocol. A protocol is a set of rules for data communication. Originally based on bus layout.


30. F connector: A coaxial cable connector commonly used for video transmission (cable TV).


The above is the whole content of how to choose optical cables for indoor integrated wiring. Of course, indoor optical cables must meet the standards for toxicity and corrosiveness while maintaining very good flame retardancy, mechanical properties and optical transmission properties. and low smoke levels.


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