Computer Network Design - Drawings

Contents

Contents

Introduction

Technical characteristics of SCS

Structured cable system

Architecture

Workplace Subsystem

Horizontal Cable Subsystem

Marking and designation

Testing of SCS

Testing Methodology

Copper Cable Testing Methodology

Copper Cable Testing Methodology

Guarantee

Main provisions

Warranty Terms for Modification

Safety precautions

Scheduled maintenance

Composition and purpose

Cleaning of switching cords and jumpers

Reconciliation of Cable Logs

Introduction

This project is based on:

- the contract __________________ signed between the Customer - ________ and the performer - _______________;

- technical assignment;

- survey works performed in 2008.

The project provides for the creation of a structured cable system (SCS) in the premises of the administrative building.

SCS includes:

- Closed floor cabinet of the 19th "standard with a height of 30 U (BM1) with cross panels;

- Horizontal cable system based on 2-pair cable of unscreened twisted pair (UTP) category 3e for internal telephone network and horizontal cable system based on 4-pair cable of unscreened twisted pair (UTP) category 5e for internal computer network, which connects CM1 with subsystems of workplace;

- Workplace subsystems.

The SCS is designed in accordance with ISO/IEC 11801 Ed.2 (General Office Building Cable Telecommunications Standard), TIA/EIA568B (Office Building Cable Telecommunications Standard), ISO/IEC 18010 (Office Building Telecommunication Channel Standard), EIA/TIA569 (Office Channel Standard).

In accordance with the standards, norms and regulations in force in Ukraine.

Technical specifications of the skis

Main parameters of SCS

Place of installation - premises of the administrative building;

Functional purpose - data and voice transmission in computer and telephone networks of the enterprise;

Topology - star;

Number of buildings - 1;

Number of distribution points - 1;

Horizontal subsystem - unscreened twisted pair of category 5e and 3e;

Number of jobs -53;

Number of passive ports RJ45 -104;

CMS installation shall be in accordance with ISO/IEC 11801 Ed.2 (General Office Building Cable Telecommunications Standard), TIA/EIA568B (Office Building Cable Telecommunications Standard), ISO/IEC 18010 (Office Building Telecommunication Standard), EIA/TIA569 (Office Building Standard), Telecommunication Standard Standards)

Structured cable system

SCS architecture

SKS is designed on topology "star" - from ShM1 which is located on the 2nd floor, to jobs segments of a cable of unscreened twisted couple of category 5e and 3e (horizontal cable system) are laid.

Workplace Subsystem

Each workstation consists of a two-port information outlet, in which 2 unshielded RJ45 modules of category 5e are installed for the internal computer network and the internal telephone network. Functionally, one module is designed to connect a computer, and the second is designed to connect a phone.

Structurally, the RJ45 modules are installed in the universal "Molex" framework of the internal version. RJ45 sockets are ports for connecting equipment. Ports are not generic. You can connect a computer or phone to the port, depending on the marking of the port on the cutter. The distribution of ports to telephones and computers adopted in this documentation is not conditional, this is due to the pre-planned functionality of each workplace. All floor ports are established in BM1 on cross-country panels with RJ45 ports.

Location of SCS workplaces is given in the documents:

"Placement of SPS sockets."

Horizontal Cable Subsystem

For the horizontal subsystem, a 2-pair unscreened twisted pair (UTP) cable of category 3e for the internal telephone network and a 4-pair unscreened twisted pair (UTP) cable of category 5e for the internal computer network manufactured by OkNet are used.

From BM1, one-piece cable segments are laid to RJ45 ports of subscriber sockets of SCS workstation subsystem. In ShM1 the cables of a computer subsystem okonechivatsya on the 24th port patch panels (patchpanet) with RJ45 ports. Cables of a telephone popsistema in ShM1 okonechivatsya on 50 port patch panels (patchpanet) with RJ45 ports.

Cables of SCS horizontal subsystem are laid on cable suspensions (metal brackets) along the corridor and in rooms behind the suspended ceiling.

Inputs of cables of a horizontal subsystem of SKS in a case of ShM1 it is carried out because of a false ceiling on a setchasty tray in ShM1 case.

CMS cable routes are laid at a distance of not less than 0.13 m from cables of the domestic network and luminescent lamps, and 0.61 m from cables of the power supply network of consumers with a total capacity of more than 5 kvts on cable suspensions (metal brackets) along the corridor and in rooms behind the suspended ceiling.

marking and symbols

Each RJ45 port on the switching patch panels (PCB) is marked with a number according to the port number in the room. Ports that belong to telephone are indicated by the letter "T." Ports that refer to computer ports are indicated by the letter "K."

The mounting cabinet is marked with CMM letters. Numbering and arrangement of equipment in CM1 is given in the document:

"Layout of equipment in CM1."

Testing the skis

Testing Methodology

Testing is carried out in accordance with the standard.

Test procedure for copper cables of the computer subsystem

Testing is done as per diagram: RJ45 patch panel port - horizontal subsystem cable - RJ45 subscriber outlet.

To test the twisted pair segments, use the DTX1200 cable tester CableAnalyzer FLUKE networks or OMNIScanner from MICROTEST, which fully meet the TSB95 bulletin, which clearly regulates the method and technology of testing cable systems and determines the requirements for testing equipment.

According to the standard, the following parameters are measured:

Correct wiring of conductors by contacts of modular sockets (Wire map).

Propagation Delay

Spectral inverse loss (Return Loss);

Near and far end transient attenuation (NEXT);

Total reduced far end transient attenuation (PSELFEXT);

2.1.2 Method of testing copper cables of telephone subsystem

Testing is done as per diagram: RJ45 patch panel port - horizontal subsystem cable - RJ45 subscriber outlet.

The telephone subsystem is only tested for cable subsystem length integrity.

Skc Warranty

Main provisions

"" guarantees the compliance of the parameters of the passive elements and the compliance of the parameters of the SCS with ISO 11801, which establishes the physical and channel layer of data transmission systems.

The Structured Cable System Warranty confirms that SKS guarantees the parameters of signal and data transmission in accordance with the Category assigned to it throughout the warranty period.

If deviations in CAS parameters are detected that are outside the permissible scope of the specified Category assigned to this CAS, PRONET will analyze the problem and replace or correct defective elements of the system. PRONET shall bear all costs directly related to the repair of defects.

The total warranty period is 1 year.

Warranty conditions for CAS modification

Any attempt to modify and modify the elements of the CMS by the customer or third parties will result in a loss of warranty for it.

The warranty does not apply to passive elements of other manufacturers and active equipment that is connected to the SCS.

"" reserves the right, in exceptional cases, to decide on the withdrawal of the guarantee. Such cases are:

any changes or modifications to the CMS by the customer, users, or other persons without permission "";

use of SCS or its components for other purposes;

transfer of warranty rights to third parties.

In case of detection of messages from third parties about violation of warranty conditions, or detection of defects during CMS diagnostics, "" has the right to perform installation check in the presence of the customer, compare the actual condition of the system with the warranty documentation. Based on the information obtained during the inspection, "" decides to continue the warranty period or cancel it.

Warranty for modification of the Structured Cable System shall be provided for systems installed by "" or certified partners, if they make any changes and modifications to the system.