Kursovaya_avtomatichesky switching (communication)

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Uploaded: 18.09.2015
Content: Курсовая_Автом_Коммутация.doc (709 kB)

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Description

Task

The existing telephone network consists of ATSDSh, ATSKU, ATSE which capacity is specified in tab. 1. In total automatic telephone exchanges have an exit to AMTS and USS.
The existing network extends due to addition of ATSE and PS which number capacity is specified in tab. 1., and loading parameters in tab. 2.
It is necessary:
• To draw the block diagram of a network
• To define numbering of subscriber lines
• To make calculation of intensity of telephone loading
• To calculate necessary number of channels and IKM lines for connection by the designed automatic telephone exchange with the existing automatic telephone exchanges, USS and AMTS.


Table 1.
Option Number capacity
Existing Projected
ATSDSH ATSKU ATSE ATSE PS
23 8000 8200 16800 18300 460


Table 2. Parameters of loading of the designed automatic telephone exchange
Var Knkh Knkhch Kk Kkch Kt Ktch Snkh Sk St Tnkh Tk
23 38 14 52 12 10 15 2.5 0.55 11 90 112 175 64

Additional information

The course is handed over on an assessment perfectly at the Perm state technical university
contains the doc file (26 p.) with tables, drawings, calculations.

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