Diploma on the topic: "Modernization of the city telephone network ... based on AXE-810"
Replenishment date: 09.06.2006
Content: ax-810.rar (3.15 MB)
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Description
CONTENTS
pg.
INTRODUCTION 3
1 CHOICE OF CIRCUIT BOOTING AND TECHNICAL DESCRIPTION 6
1.1 Main trends in the development of urban telephone networks 6
1.2 Characteristics of the existing GTS in Bender 9
1.3 Analysis of the characteristics of modern digital switching systems 12
1.4 Rationale for choosing a switching system 16
2 SWITCHING SYSTEM AXE-10 17
2.1 Technical parameters 17
2.2 System structure of the AX-10 18
2.3 Composition of the ART and APZ 20 system
2.4 Software subsystems 22
2.5 Commutation field 30
3 CALCULATION OF THE TELEPHONE LOAD INTENSITY
ON THE GTS AND SELECTION OF EQUIPMENT 40
3.1 Development of the structural diagram of the projected station 40
3.2 Load calculation 41
3.3 Load sharing 44
3.4 Equipment description 50
3.5 Calculating the number of cabinets and placing the equipment in the auditorium 53
4 PROJECT ECONOMIC JUSTIFICATION 63
4.1 General 63
4.2 Determination of capital costs 64
4.3 Calculation of economic efficiency for telephone
station AXE-10 68
4.4 Calculation of indicators of economic efficiency
capital investments 75
4.5 Analysis of the results obtained 76
5 LABOR AND ENVIRONMENTAL PROTECTION 79
5.1 Analysis of working conditions at the plant 79
5.2 Fire safety at ATC 82
5.3 Safety measures 83
5.4 Fire prevention and environmental protection measures 89
5.5 Engineering calculation for labor protection 91
CONCLUSIONS 94
REFERENCES 96
pg.
INTRODUCTION 3
1 CHOICE OF CIRCUIT BOOTING AND TECHNICAL DESCRIPTION 6
1.1 Main trends in the development of urban telephone networks 6
1.2 Characteristics of the existing GTS in Bender 9
1.3 Analysis of the characteristics of modern digital switching systems 12
1.4 Rationale for choosing a switching system 16
2 SWITCHING SYSTEM AXE-10 17
2.1 Technical parameters 17
2.2 System structure of the AX-10 18
2.3 Composition of the ART and APZ 20 system
2.4 Software subsystems 22
2.5 Commutation field 30
3 CALCULATION OF THE TELEPHONE LOAD INTENSITY
ON THE GTS AND SELECTION OF EQUIPMENT 40
3.1 Development of the structural diagram of the projected station 40
3.2 Load calculation 41
3.3 Load sharing 44
3.4 Equipment description 50
3.5 Calculating the number of cabinets and placing the equipment in the auditorium 53
4 PROJECT ECONOMIC JUSTIFICATION 63
4.1 General 63
4.2 Determination of capital costs 64
4.3 Calculation of economic efficiency for telephone
station AXE-10 68
4.4 Calculation of indicators of economic efficiency
capital investments 75
4.5 Analysis of the results obtained 76
5 LABOR AND ENVIRONMENTAL PROTECTION 79
5.1 Analysis of working conditions at the plant 79
5.2 Fire safety at ATC 82
5.3 Safety measures 83
5.4 Fire prevention and environmental protection measures 89
5.5 Engineering calculation for labor protection 91
CONCLUSIONS 94
REFERENCES 96
Additional Information
The diploma is issued for printing, in a frame according to GOST. There are 7 drawings of the A-1 format, made in Word and Visio.There is a file (.xls) for the calculation of the entire diploma, i.e. it is necessary to add data for the task, and change the results of the formulas in the diploma itself.