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Цифровая коммутация и принципы построения телефонных сетей общего пользования. Учебно-методическое пособие для выполнения самостоятельной работы по ди

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ФЕДЕРАЛЬНОЕ АГЕНТСТВО СВЯЗИ


Московский технический университет связи и информатики
Кафедра сетей связи и систем коммутации



ЦИФРОВАЯ КОММУТАЦИЯ
И ПРИНЦИПЫ ПОСТРОЕНИЯ
ТЕЛЕФОННЫХ СЕТЕЙ
ОБЩЕГО ПОЛЬЗОВАНИЯ

СИСТЕМЫ КОММУТАЦИИ
Москва 2014
 


ЦИФРОВАЯ КОММУТАЦИЯ
И ПРИНЦИПЫ ПОСТРОЕНИЯ
ТЕЛЕФОННЫХ СЕТЕЙ
ОБЩЕГО ПОЛЬЗОВАНИЯ

СИСТЕМЫ КОММУТАЦИИ
 
. 
 30.09.14.
, 
2
СОДЕРЖАНИЕ
 .............................................................................................. 4
 ........................................................................................ 4
 4
.................................................................. 5
. 6
.................................................. 7
... 7
.... 9
.. 9
..........12
.......................................................15
.......20
...28
  .............................................................32
.............................................................35
...........................................36
 ASC II ......................37
 Unicode Standard  ..... 39
........................................................41
3
Общие замечания
     ,    110302     .                                  .
     18          34     "        .                 
КОНТРОЛЬНЫЕ ЗАДАНИЯ
                             
Задание № 1
          
         (N
(32-N
). 

)    ,      

 
4
Задание № 2


1 2 3 4 5 6 7 8 9

119
135
035
054
045
067
079
083
099

123
274
186
175
154
247
222
202
233


10
11
12
13
14
15
16
17
18

059
053
276
219
103
176
197
121
193

201
212
220
074
045
057
155
172
222


19
20
21
22
23
24
25
26
27

159
185
049
027
043
147
029
143
173

223
174
086
225
254
179
302
182
266


28
29
30
31
32
33
34
35
36

156
188
097
085
039
141
179
200
168

300
270
177
210
079
203
167
021
305
T-S-T -- 
    ()       (S)              - N
 

        
2
5
Задание № 3


1 2 3 4 5 6 7 8 9

52111
41035
39534
40748
61459
41678
31795
41833
51990

41237
19747
51156
52075
39054
56047
58229
47122
44133


10
11
12
13
14
15
16
17
18

45201
24212
09122
14074
31045
40579
07215
04372
37222

18059
19053
58276
46219
17303
19176
35197
28221
59293


19
20
21
22
23
24
25
26
27

11125
53041
43593
48407
59461
16478
17953
33814
19950

05918
09135
27658
07414
10451
57940
19735
22128
29359


28
29
30
31
32
33
34
35
36

05345
31322
30934
21567
37211
46056
27324
28697
37865

38967
26754
36980
48702
09867
17354
59456
41098
55674
      EWSD 
           3.                 -                                
3
6
Задание № 4
N вар.
Рр Рз Р
н/о
a
b
1
0.50
0.20
0.30
15%
10%
2
0.60
0.22
0.18
36%
19%
3
0.55
0.25
0.20
57%
18%
4
0.56
0.20
0.24
48%
17%
5
0.52
0.15
0.33
69%
16%
6
0.54
0.2
0.26
80%
15%
7
0.56
0.25
0.19
71%
14%
8
0.58
0.27
0.15
92%
23%
9
0.60
0.25
0.15
43%
12%
10
0.50
0.3
0.20
74%
11%
11
0.51
0.3
0.19
65%
12%
      7 ()    = 127  3 * N
 N
вар

вар
           7.
Задание № 5
       
  ISUP        4Рр   Рз -  Рно  a -      SMS, b          SMS 
4
7
12
0.53
0.25
0.22
86%
10%
13
0.55
0.2
0.25
57%
9%
14
0.57
0.30
0.13
78%
8%
15
0.59
0.21
0.20
79%
7%
16
0.50
0.25
0.25
70%
6%
17
0.55
0.20
0.25
69%
5%
18
0.6
0.22
0.18
62%
20%
19
0.55
0.25
0.20
71%
19%
20
0.62
0.18
0.20
58%
18%
21
0.54
0.26
0.20
39%
17%
22
0.6
0.20
0.20
50%
16%
23
0.55
0.25
0.20
31%
15%
24
0.5
0.30
0.20
53%
14%
25
0.53
0.27
0.20
42%
13%
26
0.52
0.28
0.20
64%
12%
27
0.55
0.25
0.20
85%
11%
28
0.6
0.20
0.20
66%
10%
29
0.5
0.20
0.30
74%
6%
30
0.52
0.26
0.22
65%
5%
31
0.54
0.23
0.23
86%
20%
32
0.55
0.22
0.23
57%
19%
33
0.56
0.25
0.19
78%
18%
34
0.57
0.27
0.16
79%
17%
35
0.58
0.24
0.18
70%
16%
36
0.59
0.24
0.17
69%
15%
8
Методические указания для выполнения заданий
          .                       
                   
        .

Пример выполнения задания № 1
  TSM  Time Switch Module      )              )        -32            1              -32           
  -32
 

 -32
9


                           2       -32
  

  -                   .                             
    .      18.                   -                  .    8     1           8      2 8 -32
и поступает на демультиплексор

он считывается на 18-й контакт и поступает на телефон 18-го абонента. При этом 18-й абонент слышит речь первого абонента.    
17 .
10
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