Tuesday, September 8, 2020

Development and administration of local networks Installation of SCS - the basis for building a network

The construction of a local network begins with the installation of SCS , which creates the foundation of a local computer network - LAN.

 local network includes a computer and telephone network. To build a computer network, symmetrical cables of at least category 5e / class D or optical fiber are required. To create a telephone network, it is enough to lay category 3 cables. The length of information applications lines depends on the category of transmission medium, application class, channel model, total length of flexible cables, and maximum operating temperatures.

Unshielded SCS provides high quality of transmitted signals with short line lengths. If the line length is close to the maximum allowable, a shielded system with a good parameter reserve is required. The choice of a shielded SCS ensures data protection from external interference, a solution to the problem of cable pickups, and a decrease in the effects of power wiring.


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When installing a local area network (LAN), it is required to observe additional rules for laying power cables in parallel with low-current ones. Power surges cause unwanted pickup on local networks. Competent installation provides for compliance with the minimum permissible joint laying distances.

SCS installation - the first stage of network creation

The choice of SCS as the basis of a local network is the first stage with a long-term perspective. The cabling infrastructure of the building must ensure the operation of three to four generations of LAN equipment. To build a local network, customers have to take into account the existing network configuration, the perspective of the organization's network needs.

Installation of SCS begins after the approval of the technical design by the customer. When designing in parallel with installation, installation diagrams are provided to the Customer for approval. The schemes include the routes of cable channels, their type, routes of cable laying, the location of system elements - distribution points, connectors, points of consolidation.

In the case of overhaul with the simultaneous laying of cable systems, coordination of the stages of work performed by different contractors is required. When building a SCS or several cable systems as a subcontractor at a facility where a complex of construction work is being carried out, the managers of our company coordinate the work with other contractors.

In most cases, customers require testing. It allows you to confirm the quality of the SCS installation, to reveal hidden defects, to make sure that the normal operation of network protocols is ensured. We test 100% of the lines at every site. As an example, the EcoLAN website shows examples of test results and parameters of a typical category 6 line and a fiber-optic line of OM-2 category.

The quality of the SCS is determined by the reserve of parameters of the system, as well as by how much the reserve was maintained during the installation of the SCS. The higher the category of the system, the more the quality depends on the installation. This dependence is more pronounced when laying unshielded cable systems. The screen protects the "weak link" of the SCS from external interference - the connector. In the absence of a screen, external interference occurs in the most unbalanced part of the system.

In order to fully realize the capabilities of the SCS, it is required to ensure a minimum imbalance of symmetrical pairs during the installation of connectors, to withstand bending radii when laying cables, not to allow cable harness to be tightened, to take into account many details of the parallel laying of power and low-current cables, to ensure the equipotentiality of telecommunication and power grounding.



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