29099-91 .

29099-91

Local area networks.
Terms and definitions


29099-91

01.01.93

.

, , , .

15971, 19781.

1 . . - .

2 . .

3 . , , , , , , . , .

4 . .

5 . .

6 . , , 1 . 2 .

7 . , , , - , - .

1 .

1 ; : , ( 24402 )

local area network ; LAN

2 : ,

baseband L A N

3 : , ,

broadband LAN

4 (): , , , ( 24402 )

data station

5 ( ) : , , , , .

. , ; , - , ,

bus network

6 ( ) : ,

ring network

7 : , , ( 24402 )

physica l layer

8 : , , , ( 24402 )

data link layer

9 ; : ,

logical link control sublayer; LLC

10 ; : ,

medium access control sublayer; MAC

11 ; : , , - , , .

.

physical signalling sublayer; PLS

12 : , , ,

station management MGT

13 ( ) : , .

. , , - .

transmission medium

14 ( ) : ,

trunk cable

15 ( ) : ,

drop cable

16 ; : , ( 17657 )

data terminal equipment ; DTE

17 ; : ,

medium attachment unit; MAU

18 ; : ,

physical medium attachment; PMA

1 9 ; : ,

trunk coupling unit; TC U

20 ; :

attachment unit interface; AU1

21 :

M edium dependent interface; MD I

22 ; : .

.

medium interface connector; MIC

23 ( ) : , , .

. -

gateway

24 : ,

token

25 : , ,

token passing procedure

26 : ( 24402 )

frame

27 () : , ,

jabber

28 ( ) :

address administration

29 ( ) : ,

local administration

30 ( ) : ,

universal administration

31 ; : ,

M AC-symbol

32 ; : , , .

. 0 , 1 - .

differential ma n chester encoding

2 .

33 ; : ,

bus LAN

34 ; / (. ): ,

carrier sense multiple access with collision detection; CSMA/CD

35 (. ):

carrier sense

36 ( ) : ,

collision

37 ; : , ,

jam

38 ; : , ,

collision enforcement; CE

39 : , ,

seot time

40 : , ,

truncated binary exponential backoff

41 () : , , ,

backoff

42 () : ,

deference

43 () :

delay

44 ( ) : ,

transmission path delay

45 ( ) :

round-trip propagation time

46 ( ) : ,

coupler

47 ( ) : , , ,

tap

48 ( ) : , .

.

head-end

49 ( ) : , , , ,

hub

3 .

50 ; : ,

token-bus network

51 : ,

single-cable broadband LAN

52 : ,

two-cable broadband LAN

53 ( ) : ,

logical ring

54 : ,

slot time

55 : ,

response window

56 : , ,

head-end remodulator

57 ( ) : ,

forward channel

58 ( ) : ,

reverse channel

59 : ,

downlink

60 : ,

uplink

4 .

61 ; : ,

token-ring network

62 ( ) : , .

. , ;

monitor

63 ; : , , , , , .. , , , ,

configuration report server ; CRS

64 ; : , , , , ,

ring error monitor; REM

65 ; : , , , ,

ring parameter server; RPS

66 : , , .

.

ring latency

67 : , , ,

multicast

5 .

68 ; : ,

s l otted-rin g network

69 ( ) : , -

ring slot

70 - : ,

min i- packet

71 : , , .

.

stol structure

72 : , , , ,

ring connector socket

73 : , , ,

ring connector plug

74 : , ,

continuity plug

75 () :

physical ring segment

76 () : , , ,

logical ring segment

6 .

77 ; : , , ,

M AC-b ri dge

78 : ,

bridged LAM

79 () : ,

port

80 : , ,

active topology

81 : ,

spanning tree

82 : ,

root bridge

83 : ,

root port

84 : ,

designated port

85 : ,

designated bridge

86 :

filtering

87 ; : , ,

filtering data base; FDB

28

28

29

30

29

30

40

87

87

74

73

41

41

71

81

12

32

34

34

43

66

45

45

43

44

44

27

27

60

59

20

54

39

, 21

20

22

14

15

14

15

26

24

58

57

58

57

/ 34

37

61

32

53

53

37

35

80

36

36

68

1

18

- 70

18

19

17

64

62

62

64

82

85

77

77

19

17

16

46

46

55

16

35

47

47

42

42

67

11

11

10

9

10

9

79

83

79

84

25

48

48

56

72

76

75

76

75

1

6

78

5

3

52

51

6

2

61

50

33

68

5

31

31

63

65

22

63

65

13

13

4

4

69

69

38

8

7

38

86

49

49

23

23

50

33

Active topology 80

Address administration 28

Attachment unit interface 20

AU I 20

Backoff 41

Baseband LAN 2

Bridged LAN 78

Broadband LAN 3

Bus LAN 33

Bus network 5

C arrier sense 35

C arrier sense multiple access with collision detection 34

C E 38

C ollision 36

C ollision enforcement 38

C onfiguration report server 63

C ontinuity plug 74

C oupler 46

C RS 63

C S M A/CD 34

Data link layer 8

Data station 4

Data terminal equipment 16

Deference 42

Delay 43

Designated bridge 85

Designated port 84

Differential manchester encoding 32

Downlink 59

Drop cable 15

DTE 16

F O B 87

Filtering 86

Filtering data base 87

Frame 26

Forward cnannel 57

Gateway 23

Head-end 48

Head-end remodulator 56

Hub 49

Jabber 27

Jam 37

L AN 1

LLC 9

L ocal administration 29

L ocal area network 1

L ogical link control sublayer 9

L ogical ring 53

L ogical ring segment 76

M AC 10

M AC-b ri dge 77

M AC-symbo l 31

M AU 17

M D I 21

M edium access control sublayer 10

M edium attachment unit 17

M edium dependent interface 21

M edium interface connector 22

M GT 12

MIC 22

M ini-packet 70

M onitor 62

M ulticast 67

Physical l aver 7

Physical medium attachment 18

Physical signalling sublayer 11

Physical ring segment 75

PLS 11

PMA 18

Port 79

REM 64

Response window 55

Reverse channel 58

Ring connector plug 73

Ring connector socket 72

Ring error monitor 64

Ring latency 66

Ring network 6

Ring parameter server 65

Ring slot 69

Root bridge 82

Root port 83

Round-trip propagation time 45

RPS 65

Single-cable broadband LAN 51

Slot structure 71

Slot time 39 , 54

S l otted-rin g network 68

Spanning tree 81

Station management 12

Tap 47

TCU 19

Token 24

Token-bus network 50

Token passing procedure 25

Token-ring network 61

Transmission medium 13

Transmission path delay 44

Truncated binary exponential backoff 40

Trunk cable 14

Trunk coupling unit 19

Two-cable broadband LAN 52

Universal administration 30

Uplink 60

1

, ,

1 : , ,

repeater

2 : .

. , , , ,

relay

3 : ,

abort sequence

4 :

bit-cell

5 : , ,

bit-time

6 ; :

time unit

7 : , ,

control frame

2

()

- ;

- ;

- ;

- ;

- ;

- .

. .

1 .

2 . 25.09.91 1491

3 .

4 . -

,

15971-90

17657-79

16

19781-90

24402-88

1 , 4 , 7 , 8 , 26

5 . . 2004 .

1. . 1

2. .. 4

3. .. 6

4. .. 7

5. .. 8

6. . 8

. 9

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1. , , . 14

2. () 15

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