Алиев Т.И. Сети ЭВМ и телекоммуникации

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123456 3. 78926ABC5 DCEF6F56ABC5 5F

211

Ethernet 5B4545 FEC9C9C BFC!748955 ECD57 45CB655

65579A – 82/60, 5CBFCC5 54CC  6" BFC6D B9747, D5 F

B655BD 33 D/B F5 5445 45#D8BA  F545B 16 6! D5" F7

67DC5 3.

% 65579 82/60 8 D 7EC9ADBA 6- D59E !7E.

*4DC4895BD8 595" D595" ! – 40 9B. 34C57DC4895, 59 7"D

FCC7CDBA 7 240 9B (6*40 9B), D5 B55DCDBDCD B655BD FCC7 

33,3 D/B. *4A FCC7 799 BF548 CDBA 3 F7 UTP 67DC5 3

(3*33,3 D/B = 100 D/B),  CC 597 F77 BF548 CDBA 4A

F5B479A 9CBC" B !C48 597#C9A 6544 ".

3655BD8  EC9C9A B9747 97 67#5" F7C B5BD74ACD: 1/(40 9B) =

25 5, D5 F5 54ACD BF548 57D8 D F7 67DC5 3.

3.3.1.3. 568D6 F4BC54A3D 3474BA7A3C39  E Fast

Ethernet

1. %5D5DC4 Fast Ethernet C4ADBA 97 7 647BB7:

• !62 I – F5C#7CD BC  45CB655 65579A

(42/52, 82/60)  E5#CD ECD8 F5D BC DC DF5  CB655 59A:

100Base-0X, 100Base-04  100Base-FX;

• !62 II – F5C#7CD D54865 59  45CB655

65579A (42/52 4 82/60)  ECCD 45 BC F5D 100Base-04, 45

F5D 100Base-0X  100Base-FX, D76 676 F5B4C9C BF548 D 59

45CB6" 65 42/52.

2. 76BE74895C B45 F5D5DC4C" (%)  595E 5EC9C 6544 ":

• D54865 1 F5D5DC48 877 I  - 7 5485" 7C#6

7BF5BD79C9A B9747 – 70 bt, 5B454C995" 9C55E5BD8

D79B457D8 7 49C BBDCE B974 7! (B.3.27,7);

• 2 F5D5DC4A 877 II, 95BA EC98 7C#6 F

FCC7C B9745: 46 bt 4A F5D5 100Base-0X  100Base-FX  33,5 bt 4A

F5D5 100Base-04 (B.3.27,).

3. 76BE74895C 7BBD5A9C 5D F5D5DC4A 5 75C" BD79!

7BD 5D DF7 67C4895" BBDCE  B5BD74ACD 100-160 E.

4. 76BE74895C 7BBD5A9C EC# F5D5DC4AE 647BB7 II – 5 .

 (354DD II)

…

bt (TX, FX)

;

33.5

bt (T

)

*5EC9 6544 "

5 5 E

…

)

3.27

 (354DD I)

(70 bt)

…

100-160 E

123456 3. 78926ABC5 DCEF6F56ABC5 5F

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5. .CB654865 5EC95 6544 " E5D 5'C9AD8BA B F5E58

65EED7D55  E7D 7D55, 57 A BCD F5 5489 7 EC5

(B.3.28)

3.3.2. 100VG-AnyLAN

100VG-AnyLAN – DC9545A, 7 75D7997A E7E IBM 

Hewlett-Packard 97 5B95C DC9545 100Base-VG (Voice Grade) 4A

FCC7 799 B5 B655BD8 100 D/B B BF548 579CE F5D56545

(675) 123 Ethernet 4 Token Ring (AnyLAN).

%CCBD7A DC9545A 100Base-VG 7 77D747B8 4A

FCC7 799  BCD Ethernet B5 B655BD8 100 D/B F5

9C67957995" D5" F7C (UTP) 67DC5 3, 565 BF548 CE5"

4A FCC7 C  97 7CE5" F5 D5" F9C 67C4CE VG (Voice

Grade). 2 100VG-AnyLAN, 676   100Base-VG, ECBD5 CSMA/CD

C74 579 ECD5 5BDF7 B F5DCD7E (Demand Priority)  957A BCE7

65579A 799 Quartet Coding (67DCD95C 65579C), 4757A

65D55E 799C FCC7DBA B5 B655BD8 25 D/B F5 4-E F77E UTP

595CEC995, D5  BEEC 7CD 100 D/B.

CD5 Demand Priority 7647CDBA  B4CCE. 3D79!A,

EC7A 67 4A FCC7, F5B47CD 9 657BD5D9" B974

659!C9D7D5, 7F77A 9 6" F5DCD 4A 59 799 

B56" 4A 799, BDDC489 6 CEC99E 7C#67E (97FEC,

C8  C5). 3B4 BCD8 B5597, 659!C9D7D5 7 C7CD FCC7

677. %5B4C 7974 7 7CB7 F547DC4A  F9AD5E 67C 659!C9D7D5

5DF74ACD 67 BD79! 97 97C9A. $D5 5 977CD, D5  5D4C 5D

659!C9D7D57 Ethernet, 659!C9D7D5 100VG-AnyLAN 75D7CD 97 2-E

59C OSI-E5C4. 3B4 #C BCD8 79AD7, 659!C9D7D5 BD7D F54C99"

7F5B  5CC8, 65D57A 577D7CDBA  F5A6C F5BDF4C9A 7F5B5

B CD5E F5DCD5: 7F5B B 54CC B56E F5DCD5E

F549ADBA FCE.

'256 65F7 6 BCC FCC7 799 – 4552).

76BE74895C #486 57A 4C E 254 – 1024.

9 2

…

% (87 I)

…

% (87 II)

…

3.28

100 E (TX, T4)

2000 E (FX – F4.)

123456 3. 78926ABC5 DCEF6F56ABC5 5F

213

76BE74897A F365!%2AA659 254 – 3 6E.

76BE74895C 3756!A42 2% 57A 4!4:

• 100 E – 4A D5" F7 (UTP 67DC5 3);

• 180 E – 4A D5" F7 (UTP 67DC5 5).

05F545A BCD 100VG-AnyLAN 5C98 F55#7 97 D5F545 BCDC"

10Base-0  Token Ring, 7 EC995 45CB67A 57A 97  E76C95C

6548!5 B55DCDBDC995,  D5 #C CEA  CB67A D5F545A 5A 7DC4895

" C 7", F D5E F2584  E25E82A4! 9C 5FB67DBA.

3A E 4CEC9D5E BCD 100VG-AnyLAN A4ACDBA

65EED" !"52, F)E 5FB67CDBA 534 36EA!

67B67579A (B.3.29).

&59!C9D7D5 BCD 100VG-AnyLAN ECCD 7 7 F5D5:

• LAN downlink port (F5D BA  "9 ") – FC97 97C9 4A

F564C9A 659C9  45  659!C9D7D55 9#9C5 59A;

• LAN uplink port (F5D BA  "C") – FC97 97C9 4A

F564C9A 659!C9D7D57 C9C5 59A.

&5EC 659!C9D7D55  BCD 100VG-AnyLAN E5D BF548 57D8BA:

• 65EED7D5;

• E7D 7D5;

• BCDCC 77FDC.

3D797D IEEE 802.12 F5C#7CD 3 DF7 675:

• IEEE 802.3 – Ethernet;

• IEEE 802.5 – Token Ring;

• IEEE 802.12 – 67 DCBD579A B5C9C9"  100VG-AnyLAN.

2 595E BCEC9DC BCD E5#CD F5C#7D8BA D54865 59 DF

675 FCC7 799 – 45 Ethernet, 45 Token Ring.

+95"  B5BD74A BD797D7 IEEE 802.12 A4ACDBA *!6

*55 32* (Demand Priority Protocol – DPP).

DPP 97 977CD F5A56 575D6 7F5B5  BD7954C9A

B5C9C9" EC# 659C9E  47E. 3B4 659C9"  C4 5D5

&59C5" 659!C9D7D5

3.29

&59!C9D7D5 59A 1

&59!C9D7D5 59A 2

…

LAN downlink

port

100 E (UTP-3)

180

(UTP

LAN uplink

port

123456 3. 78926ABC5 DCEF6F56ABC5 5F

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5DF7D8 67, 59 FCC7CD 659!C9D7D5 7F5B 5955 4 B5655

F5DCD7. 3B4  4 4 659!C9D7D5 9CC5 FCC7D8, 59 5DF74ACD

B974 C#E7 5#79A (Idle – 9C 79AD). &59C5" 659!C9D7D5

5F77CD BC B5  4,  D5E B4C 659!C9D7D5 9#9C5 59A,

F9E7A 5D 9 B974 Idle. 3B4  C4 9C 76DC9 (65EF8DC

64C9), 59, CBDCBDC995, 9C C9CCD D76C B974. &59!C9D7D5

!64CB6 5F77CD F5D, 9797A B F5D7 B EC98E 95EC5E,

AB9AA  5D595BD8 6 FCC7C. 3B4 595CEC995 6 FCC7C 5D5

9CB654865  45, D5 659!C9D7D5 7974 CD  7F5B B CD5E:

• F5DCD7 7F5B7;

•  CB655 95EC7 F5D7, 6 65D55E F564C9 FCC7"

 C4.

2B56" F5DCD 97 977CDBA:

• F45#C9AE, 6D9E 65 CEC9 C76!;

• F5D 659!C9D7D57.

% 67B6795E B5C9C9 659!C9D7D55 5BDF 6 BCC FCC7

799 C74 CDBA F5D56545E DPP B4CE 57 5E:

1) 7F5B 5D  47, F564)9955 6 659!C9D7D5 9#9C5 59A,

D79B4CDBA 97 659!C9D7D5 54CC B5655 59A;

2) F 5F5BC F5D7 LAN downlink port 9!CDBA 5F5B BC

F5D5 659!C9D7D57 9#9C5 59A,  D54865 F5B4C D55

5 5954ACDBA 5F5B F5D5 659!C9D7D57 54CC B5655 59A.

85 42 DC9545 100VG-AnyLAN:

• 5 E5#95BD8 BF548 579A BCBDC" 67C4895" BBDCE

BCD 10Base-0;

• 6555E42 F65239 F364E645289A654 4-7 6A8456E 

BCC FCC7 799;

• 5 E5#95BD8 F5BD5C9A F5DA#C99 (5 4 6E) BCDC" C

BF548 579A 65EED7D55.

3.3.3. Gigabit Ethernet

2B565B655BD97A DC9545A Gigabit Ethernet 5CBFC7CD

F5FB69 BF5B595BD8 BBDCE DC4C65EE967!  1 6D/B  5FB797

 C65EC97!A 802.3z  802.3ab (97 UTP 5-" 67DC5).

62AA654 DC9545 Gigabit Ethernet:

• B579C9 BC  675, BF548 CE  FC

DC9545A Ethernet;

• FCBE5DC95 BF548 579C  CB" F5D56547 5BDF7 6

BCC FCC7 799:

4 F68F82A7! CBA F5D56547 B ECD55E 5BDF7

CDMA/CD;

4 F68A6F82A7! – B 65EED7D57E;

• FCBE5DC95 BF548 579C B4C DF5 67C4A:

4 2+&;

4 D7A F77 67DC5 5;

123456 3. 78926ABC5 DCEF6F56ABC5 5F

215

4 6576B7489" 67C48.

%5 B79C9 B DC9545AE Ethernet-10  Fast Ethernet  EC9C9A

ECDBA 676 97  CB65E 59C, D76  97 59C (3.

*4A 5CBFCC9A 7ECD7 BCD 5 200 E C74 579 B4CC

CC9A.

1. -C4C9 E9E7489" 7 EC 677 B 64 5 512 7"D, D5

B5BD74ACD 4096 D5 9DC745 (bt). &7 5F549ACDBA 5 512 7"D

F54CE 4D'CF7C8 (extension) 7 EC5E 5D 448 5 0 7"D, 7F549C99E

7FCC99E BE547E 657 82/102 (B.3.30).

2. *4A EC98C9A 976479 7B55 659C9E  47E 7 CC95

FCC77D8 9CB654865 675 F5A, C 5B55#C9A BC FCC7

4A  BD79!". 0765" C#E FCC7 97 7CDBA «Burst Mode». %

D5E BD79!A E5#CD FCC7D8 F5A 9CB654865 675 B 5C" 495"

8192 7"D7 = 65536 D.

2 BD797DC 802.3z 5FCC4C9 B4CC DF  CB65" BC:

• 595E55" 2+&;

• E955E55" 2+& 62,5/125;

• E955E55" 2+& 50/125;

• 5"95" 6576B74 B 5495E B5F5D4C9CE 75 +E;

• E955E55" 67C48.

(F2 447 44 7289ABD 452 DC9545 Gigabit Ethernet

FCBD74C9  D74.3.5.

1784 7 3.5

IEEE 802.3z 1000Base-SX 1000Base-LX

/ CB67A BC7 +95 (5/E)-  E955E55" (E/E) 2+&

*497 549 850 9E 1300 9E

*497 BCEC9D7 5 500 E

(E/E 2+&)

5000 E

(5/E 2+&)

100 E (F4.) 550 E

(E/E 2+&)

Gigabit Ethernet E5#CD D8 C74 5797 97 D5" F7C 67DC5 5

(C65EC97!A IEEE 802.3ab) B BF548 579CE 4- F7 F55965, F5

65D5E 595CEC995 FCC7DBA 799C B5 B655BD8 1000 D/B.

34C57DC4895, 67#7A F77 54#97 5CBFCD8 B655BD8 250 D/B.

7BF548 CE" ECD5 65579A – 1(-5 (5 59C" F5DC9!747).

 AC A

7"D

3.30

*

325 9

1500

65 215#

5D 512 5 1518 7"D

448

123456

216

76BE74897A 7BD5D7 BFC

BE545 657 PAM-

5 B5BD7

7E596 F5D5654 1000

3.3

1A E F5 5DC

 Nortel, 7

75D74 55

BF5B595BD8 10 6D/B. 2

802.37C (10GEthernet), FC

5FDCB6 67C4C". 2 2

802.3an-

2006), BF548 "

ECD5 6795799 D

0C9545A 10GEthe

97DC489C 7BBD5A9A,

B5E 64C9D7E

95C

0C9545A 10GEthernet C

9CB65486 CBAD65 645EC

5FDCB655 B9747  DF7

+B959C 5B5C995BD

1) C74 579 D54865

(B.3.31);

2) BFC!!579

10GBase-X

(BFC!67!A

3) FCC77A BC7

(F2 447 44 7289

FCBD74C9  D74.3.6.

2 FFC 10GBase

10GBase-LX4, C L –

F5 795BD – 1310 9E.

2 FF7 10GBase-

 7BE5BD 5D 49 549

1) 10GBase-RS 

2) 10GBase-RL 

3) 10GBase-RE 

C S –

5 977CD, D5 BF548 

9E); L –

D55" 7F7 59 F5

F5 795BD (1550 9E).

9 2

123456 3. 78926ABC5 DCEF6F56ABC5 5F

7BD5D7 BFC6D7 9CBC" F F

CC7C 

B5BD74ACD 62,5 6!. 3 CD5E FCC7

00Base

T DCCDBA F545B7 7BD5D 5 1

3.3.4. 10Gigabit Ethernet

5 5DC4C", 647A Cisco System, Found

55579C 4A BCDC" Ethernet B

6D B. 2 2002 5 DC#C97 BFC!67

FCBE7D77A BF548 579C

2 2006 5 F9AD BD797D 10

F548 " 4A FCC7 799 97 7BBD5A9

799 D F7 67DC5 6 4 67.

thernet FC97 97C97 4A FCC7

BBD5A9A, D5 F5 54

D 5FC7D57E BA 

95C B4 F5 5'C9C9 4567489

t C47CD F5DA#C995BD8 BCDC"

645ECD5 ( 7BE5BD 5D 49

DF7 BF548 CE55 67C4A).

B5C995BD 123 10GEthe

rnet:

D54865 F4C6B9" C#E 97 5B95C 65E

!579 D FF BD797D5  CB65

67!A 10G

Base-LX4), 10GBase-R, 10G

Base

BC7

– 54565995-5FDCB6" 67C48.

7289ABD 452

DC9545 Giga

FCBE5DC97 D54865 597 BFC!

5 977CD, D5 BF548 CDBA D55"

 10GBase-W

C74 579 3 F5 BFC!

49 549:

10GBase

-WS;

10GBase

-WL;

10GBase

-WE,

BF548 CDBA FC" 7F7 59 F5 795BD

7F7 59 F5 795BD (1310 9E);

E –

DCD" 7F

9 2

CC7C D5

FCC7 FC5"

5 125 6!.

undry Networks

B F5FB695"

BFC!67!A

IEEE

8 579C 54565995

Base

-T (IEEE

7BBD5A9C 5 100

FCC7 799 97

BA  FC477D8

4567489 BCDC".

BCDC" Ethernet 5

5D 49 549

5B95C 65EED7D55

 CB655 59A:

ase

-W;

igabit Ethernet

597 BFC!67!A:

D55" 7F7 59

F5 BFC!67!

5 795BD (850

DCD" 7F7 59

3.31

123456 3. 78926ABC5 DCEF6F56ABC5 5F

217

1784 7 3.6

10 GEthernet 10GBase-LX4

10GBase-Rx

10GBase-Wx

'256 6436E7A4! 8B/10B 64B/66B

84A7 E68AB 1310 9E

850 9E (x=S)

1310 9E (x=L)

1550 9E (x=E)

<,684#25E6

E68A>*<36F.F66A.>

4*2,5 6D/B =10 6D/B

1*10 6D/B

0756!A42 2%

F23275#46 4

F342A46

5 300 E (E/E 2+&)

40 6E

(4A 10GBase-RE 

10GBase-WE)

10 6E (5/E 2+&)

76BE74895C 7BBD5A9C EC# FCC7D65E  FCE965E 4A

5697 F5 795BD E E5#CD 5BD7D8 40 6E, D5 F5 54ACD BD5D8

DCD574895 F5DA#C99C D79BF5D9C BCD.

3.3.5. 40Gigabit Ethernet C 100Gigabit Ethernet

2 9C 2010 57 IEEE F9A4 95" BD797D IEEE 802.3ba  C

5F549C9A 6 BD797D IEEE 802.3 Ethernet,  65D55E FCBE5DC9 C

B655BD FCC7 799 F5 BCD Ethernet – 40 6D/B  100 6D/B.

+B9597A !C48 7 75D6 D55 BD797D7 B5BD5A47  D5E, D5

7BF5BD79D8 F5D5654 802.3 97 BCB56C B655BD FCC7

799,  F D5E 5CBFCD8 E76BE7489 B5ECBDE5BD8 9DCC"B5

B5 BD797D5E 802.3 B !C48 B579C9A FC 9CBD!" 

BCDC 97BD6D. .C55E5BD8 F5A4C9A D55 BD797D7

5B454C97 B) 5 7BD7E B45E F45#C9"  548E 5'CE7E

FCC77CE 799. 2B56C DC579A 6 F5FB695" BF5B595BD

BC FCC7 799 97DC4895 FC7D BCBDC

5 E5#95BD Ethernet.

3D797D 40/100 Gigabit Ethernet F5C#7CD F4C6B9" C#E 

5C9D579 97 7 49C DF (BC)  CB655 59A (PHY).

+B959E !C4AE 7 75D6 BD797D7 40/100 Gigabit Ethernet

4 B4CC:

• B579C9C 5E7D7 677 802.3, BF548 CE55 97 (3-59C;

• B579C9C E9E748955  E76BE748955 7 EC7 677

BD797D5 802.3;

• 5CBFCC9C 5BD5C95BD FCC7 799 97 (3-59C –

C5AD95BD8 D55" 56 (BER) 9C 54#97 FC7D8 10

−12

;

• 5CBFCC9C F5C#6 5D6D5" D79BF5D95" BCD (OTN – The

Open Transport Network) – B56597C#95" BC 4A FCC7

7 955955 D767;

123456 3. 78926ABC5 DCEF6F56ABC5 5F

218

• 5CBFCC9C BFC!67!"  CB655 59A (PHY) 4A

FCC7 F5 595E555E 5FDCB65E 54569 (SMF), E955E555E

5FDCB65E 54569 (MMF), EC9E 67C4AE  5'C9DC4895" F47DC

(backplane).

+B959E F548 57DC4AE BCDC" IEEE 802.3ba E5D BD7D8

F5 5DC4 BBDCE  65EF59C9D5 4A BCC5, BCDC" 79C9A

799, BCC9 CE, B565F5 5DC489 B4C9", !C9D5

575D6 799, DC4C65EE967!599 65EF79", 7 D76#C BBDCE9

5FC7D55. 7BF548 579C B) 54CC E59 BCC9 7DC6D,

!C9D5 575D6 799, BCDC" F57"C5  659C9 F548 57DC4C"

C47CD, 5 E95 B47A, BC FCC7 799  6E ECBD5E. 3CD

IEEE 802.3ba F5 54AD BD79D8  6C ECBD7, 5CBFC7A 97C#9,

E7BD7CE 7DC6D BC FCC7 799 4A 54CD5C9A

DC579" 6 F5FB695" BF5B595BD.

*7489C"C FCBFC6D 7 DA B565B655BD9 DC9545"

FCC7 799 BA 7D B 7 75D65" BCDC" Ethernet B5 B655BD8

FCC7 1 0D/B (Terabit Ethernet). %CF5477CDBA, D5 DC9545A

CD 7 75D797 6 2015 5, 4A C5 FCDBA CD8 9CE745 F54CE.

0C9545C", 65D57A E5#CD 5CBFCD8 FCC7 B) 5 7BD7C5

D767, 5 E5#95, BD79CD DC9545A DWDM. *4A D55, 676 5DEC7CD

59  B5 7DC4C" Ethernet 55 CD674, «9C55E5 FC554CD8

E95#CBD5 579C9", 647A 1550-9795ECD5C 47 C  E54A!

B 7BD5D5" 15 66!. *4A C" BCD 9#9 95C BCE E54A!, 7

D76#C 955C 5FD5545695, 95C 47 C,  5CE, BC 955C. .CAB95

D76#C, 6767A BCDC7A 7DC6D7 F5DCCDBA 4A CC F5C#6.

25 E5#95, 5FDCB6C BCD C5 54#9 D BF548 57D8 545695

B 76E95" BC!C95" 4 4C59C 545697 ECBD5 6CE9C.

+FC7D5 54#9 D 9CAD8 548C F5495BD8 5FDCB6

BD5"BD  5FD6  B5595E F5BD79BDC (C 5456599)».

3.4. CDE Token Ring

3.4.1. B!C6 A667C

Token Ring (7323A62 689 6) – BCDC7A DC9545A,  65D55"

BD79! E5D FCC77D8 799C D54865 D57, 657 59 47CD

73236, 9CFC95 !64E F5 6548!.

0C9545A Token Ring, FC45#C997A E5" IBM  1985 5,

5FB797  BD797DC IEEE 802.5. .7 97C9CE Token Ring 45

5'C9C9C  BCD8 BC DF5 $2, FB67CE E5" – 5D %& 5

548 $2.

+B959C 52DA4#242 D7375234544 Token Ring:

• E76BE74895C B45 BD79!"  595E 6548!C – 256;

• E76BE74895C 7BBD5A9C EC# BD79!AE 7BD 5D DF7

FCC7C" BC  B5BD74ACD:

123456 3. 78926ABC5 DCEF6F56ABC5 5F

219

4 100 ECD5 – 4A D5" F7 (UTP 67DC5 4);

4 150 ECD5 – 4A D5" F7 (IBM DF 1);

4 3000 ECD5 – 4A 5FD5545659955 E955E5555 67C4A;

• 5 8 654C! E5D D8 B5C9C9 E5BD7E.

76BE74897A F5DA#C995BD8 BCD 7BD 5D 6597!.

3CBDD 7 779D7 DC9545 Token Ring, 5CBFC7C

B655BD8 FCC7 799 4  16 D/B B55DCDBDC995. 35CEC99C

77FDC Token Ring, F5C#7D 57 779D7.

3.4.2. F5345372 9327C2C Token Ring

/ CB67A D5F545A Token Ring " C 7" (B.3.32) C74 CDBA 7

B)D F564C9A BC 65EF8DC5 (75 BD79!", 13) CC BCDCC

77FDC (3() 6 BD5"BD E95#CBDC9955 5BDF7 (MSAU – Multistation

Access Unit), 65D55C 5BCBD4ACD FCC7 675 5D  47 6  4 

FCBD74ACD B55" 659!C9D7D5 Token Ring. MSAU ECCD 8 F5D5 4A

F564C9A 65EF8DC5 B F5E58 77F523ABD 7282C  7 67"9

7 'CE7 4A F564C9A 6 E 659!C9D7D57E. % 64C9

65EF8DC7, F5B5C9)9955 6 MSAU, F5B5D 7D5E7DCB65C

F564C9C 6 7453789A6 67C4. 2 B47C 5D67 7 4 5D64C9A

BD79! MSAU 579 CD 55 F5D7 D5" BD79!, 676 D5 F567 795 97

B.3.32 4A BD79! 135, F D5E BA 95BD8 6548!7 B579ACDBA.

15CB67A D5F545A 5 BC BF5B57 – "6548!5". %76CD FCC7CDBA

5D  47 6  4 F5 6548! 5 DC F5, F567 59 9C C9CDBA   C4, C 59 4

F55#C9.

.CB654865 MSAU E5D 659BD6D95 5'C9AD8BA  FF

(647BDC, cluster), 9D 65D555 759C9D B5C9C9  6548!5, D5

F5 54ACD C4D8 654CBD5 759C9D5, F564C99 6 595E

!C9D.

&7#" 77FDC B5C9ACDBA B MSAU B F5E58 

7 9597F74C99 49" BA . 076E #C EA 7 9597F74C99E

49AE BA , 5AE  E7BD7489" 67C48, E5D D8 BA 79

MSAU  6548!5 (B.3.33),  5D4C 5D 59597F74C9955

E7BD748955 67C4A, 676 D5 F567 795 97 B.3.34.

135

MSAU

(7FDC9C

67C4

6/5D

MSAU

6/5D

MSAU

7BD7489C

67C4

3.32

123456 3. 78926ABC5 DCEF6F56ABC5 5F

220

2 67CBDC BC FCC7  BCD Token Ring B97747

BF548 5747B8 D7A F77 (UTP, STP), 7DCE F5A4B8 779D

7FF77D 4A 6576B748955 67C4A  5FD5545659955 67C4A 

BD797DC FDDI.

3.4.3. "74C97272 9327C2C Token Ring

&7#"  C4 123 F9E7CD 67 5D B5BC9C5  47,

5BBD79747CD 59 B9745  FCC7CD 67 B4CCE  4.

%CC77CE" 67 E5#CD B5C#7D8 799C (73 7AABD) 4

A4AD8BA E76C5E. 43F – BFC!7489" B4#C9" 67,

FC5BD74A"  4, 65D5" E 47CCD, F75 97 FCC7 799.

&57  4 9C55E5 FCC7D8 67, C5 77FDC 5#7CDBA

F5BDF4C9A E76C7, 7 7DCE FC57 CD C5  67, B5C#7" 799C,

B5E5799C F5 F5D5654 B55DCDBDC5 59A,  FCC7CD C5 

BCD8. &7 FCC7CDBA F5 BCD 5D  47 6  4, F567 9C 5BD9CD 7CB7D7,

65D5" BD795D  9CE 5FCC4C99C D 4A F5DC#C9A D55, D5

67 F54C9 7CB7D5E,  CD79B4CD C5 74CC  BCD8. %76CD

F554#7CD #C9C F5 BCD 5 5 7C9A   C4-5DF7DC48, 

65D55E F5CACDBA F74895BD8 FCC7. 3B4 67 4 FCC79

7CB7D C 556,  C4 E5#CD B5E57D8  FCC7D8 5CC95" 67

799 (CB4 D7655" CBD8) 4 FCC7D8 E76C B4CCE  4.

&54CBD5 675 799, 65D55C E5#CD D8 FCC795 59E  45E,

5FCC4ACDBA E322A2 23%7A4! 73237, 65D55C 595 B5BD74ACD

10 EB. %5 BDCC9 D55 CEC9  C4 54#C9 5D7D8 E76C 5E

 4. 76C, 676  67 799, FCCEC7CDBA F5 6548! 5D  47 6  4.

3B4   4C, F54CE E76C, 9CD 799 (677) 4A FCC7, D5 59

MSAU

3.34

…

MSAU

3.33

…

MSAU

…