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22515-77

 

 



 

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10 1977 . 1166

 

Telegraph communication. Terms and definitions


22515-77

10 1977 . 1166

01.07 1978 .

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1.

Telegraph communication

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2.

Switched telegraph communication

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3.

Unswitched telegraph communication

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4.

Time communication

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5.

Telegraph message

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6.

Character

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7.

Signal

17657-72

8.

Character signal

17657-72

9.

Telegraph alphabet

10.

Telegraph signal

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11.

Correcting signal

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12.

Testing telegraph signal

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13.

Testing text

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14.

Code element

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15.

Unit telegraph element

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16.

Start signal element

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17.

Stop signal element

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18.

Telegraph speed

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19.

Carrier current telegraphy

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20.

Voice-frequency telegraphy

, 300 - 3400

21.

Super-audio telegraphy

, 3400

22.

Sub-audio telegraphy

, 300

23. -

Pulse-code telegraphy

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24.

Synchronous transmission

17657-72

25.

Start-stop transmission

17657-72

26.

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Duplex

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27.

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Half duplex

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28.

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Simplex

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29.

Communication channel

17657-72

30.

Telegraph channel

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31.

Telegraph circuit

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32.

Retransmission link of telegraph channel

33.

Ordinary telegraph channel

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34.

Compound telegraph channel

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35.

Main telegraph channel

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36. (, , )

Carrier current (voice-frequency, super-audio, sub-audio) telegraph channel

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37.

Switched channel circuit

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38.

Unswitched channel circuit

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39.

Service channel

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40.

Local telegraph channel

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41.

Frequency-division of telegraph channels

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42.

Time-division of telegraph channels

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43. (, , )

Carrier current (voice-frequency, super-audio, sub-audio) telegraph equipment

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44.

Carrier telegraph transmitter

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45.

Carrier telegraph receiver

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46.

Input of carrier telegraph transmitter

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47.

Output of carrier telegraph receiver

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48.

Voice-frequency telegraph system

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49.

Isotropic voice-frequency telegraph system

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50.

Hybrid voice-frequency telegraph system

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51.

Linear output of voice-frequency telegraph system

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52.

Linear input of voice-frequency telegraph system

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53.

Modem of carrier current telegraph equipment

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54.

Telegraph network

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55.

Switched telegraph connection system (network)

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56.

Public telegraph network

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57.

Department telegraph network

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58.

Direct connection

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59.

Subscribers telegraph network

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60.

Point-to-point telegraph network

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61.

Local telegraph network

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62.

Telegraph area

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63.

Termination of telegraph network

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64.

Terminal telegraph installation

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65.

Switching telegraph centre (exchange)

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66.

Terminal trunk exchange

Terminal exchange

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67.

Switching transit exchange

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68.

Centre of telegraph network

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69.

Telegraph termineting equipment

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70.

Terminal equipment

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71.

Telegraph apparatus

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72.

Start-stop telegraph apparatus

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73.

Synchronous telegraph apparatus

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74.

Telegraph sending device

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75.

Telegraph receiving device

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76.

Transmitter

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77.

Keyboard transmitter

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78.

Perforator

15971-74

79.

Printing perforator

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80.

Reperforator

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81.

Printing reperforator

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82.

Perforated-tape retransmitter

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83.

Signalling unit

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84.

Telegraph signal regenerator

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85.

Operators position

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86.

Speed operation

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87.

Distortion in transmitter

88.

Margin of telegraph apparatus

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89.

Theoretical margin

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90.

Effective margin

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91.

Nominal margin

92.

Margin on telegraph distortion

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93.

Splitting margin

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94.

Margin of stability of telegraph communication

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95.

Guard time for fall triggering

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71

73

72

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43

46

52

47

51

26

94

6

6

62

62

95

87

37

38

29

30

30

40

37

35

38

33

39

34

(, , )

37

9

8

85

53

70

70

44

26

24

25

26

28

27

𠠠 78

79

27

14

16

17

15

83

83

45

86

63

63

42

41

42

41

𠠠 84

84

𠠠 80

81

𠠠 82

1

2

3

4

54

59

55

56

56

58

54

57

61

60

7

10

12

11

񠠠 28

48

49

50

18

5

93

92

88

91

89

90

65

67

66

13

-堠 23

21

22

20

19

𠠠 76

78

64

64

74

77

75

69

32

31

Carrier current telegraphy 19

Carrier current (voice-frequency, super-audio, sub-audio) telegraph channel 36

Carrier current (voice-frequency, super-audio, sub-audio) telegraph equipment 43

Carrier telegraph receiver 45

Carrier telegraph transmitter 44

Centre of telegraph network 68

Character 6

Character signal 8

Code element 14

Communication channel 29

Compound telegraph channel 34

Correcting signal 11

Department telegraph network 57

Direct connection 58

Distortion in transmitter 87

Duplex 26

Effective margin 90

Frequency-division of telegraph channels 41

Guard time for fall triggering 95

Half duplex 27

Hybrid voice-frequency telegraph system 50

Input of carrier telegraph transmitter 46

Isotropic voice-frequency telegraph system 49

Keyboard transmitter 77

Linear input of voice-frequency telegraph system 52

Linear output of voice-frequency telegraph system 51

Local telegraph channel 40

Local telegraph network 61

Main telegraph channel 35

Margin of stability of telegraph communication 94

Margin of telegraph apparatus 88

Margin of telegraph distortion 92

Modem of carrier current telegraph equipment 53

Nominal margin 91

Operators position 85

Ordinary telegraph channel 33

Output of carrier telegraph receiver 47

Perforated-tape retransmitter 82

Perforator 78

Point-to-point telegraph network 60

Printing perforator 79

Printing reperforator 81

Public telegraph network 56

Pulse-code telegraphy 23

Reperforator 80

Retransmission link of telegraph channel 32

Service channel 39

Signal 7

Signalling unit 83

Simplex 28

Speed operation 86

Splitting margin 93

Start signal element 16

Start-stop telegraph apparatus 72

Start-stop transmission 25

Stop signal element 17

Sub-audio telegraphy 22

Subscribers telegraph network 59

Super-audio telegraphy 21

Switched channel (circuit) 37

Switched telegraph communication 2

Switched telegraph connection system (network) 55

Switching telegraph centre (exchange) 65

Switching transit exchange 67

Synchronous telegraph apparatus 73

Synchronous transmission 24

Telegraph alphabet 9

Telegraph apparatus 71

Telegraph area 62

Telegraph channel 30

Telegraph circuit 31

Telegraph communication 1

Telegraph message 5

Telegraph receiving device 75

Telegraph network 54

Telegraph sending device 74

Telegraph signal 10

Telegraph signal regenerator 84

Telegraph speed 18

Telegraph terminating equipment 69

Terminal equipment 70

Terminal exchange 66

Terminal telegraph installation 64

Terminal trunk exchange 66

Termination of telegraph network 63

Testing telegraph signal 12

Testing text 13

Theoretical margin 89

Time communication 4

Time-division of telegraph channels 42

Transmitter 76

Unswitched channel (circuit) 38

Unswitched telegraph communication 3

Unit telegraph element 15

Voice-frequency telegraph system 48

Voice-frequency telegraphy 20

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