Алиев Т.И. Сети ЭВМ и телекоммуникации

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

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• 65E95799C BCD,  65D5 E5D 96!5957D8 57

DF7 5FC7!599 BBDCE (5957957A  BCC97A).

3.1.4.1. 12345637489A (568345637489A) BACD

A637A6EB2 254 (pe2r-to-pe2r) – BCD B 795F79E

65EF8DC7E, 65D5C E5D BF548 57D8 CBB  7.

.C65D5C 595795C BCD F5 54AD BF548 57D8 65EF8DC 676 

67CBDC 75C" BD79!  B5BD7C BCD, D76   67CBDC C4C9955 

9CC4C9955 BCC7.

(DC6D7 5957955" BCD 5F7797, CB4:

• 654CBD5 F548 57DC4C" 9C FC7CD 10;

• F548 57DC4 7BF545#C9 65EF76D95;

• 5F5B 7D 799 9C 6D9;

• ECCDBA 9C55E5BD8 F5BD8 F5 5DC4895BD8 

C6D95BD8 5B95" CADC4895BD FDCE B5ECBD955 BF548 579A

7"45  FCC"955 55579A.

6564A5E7:

• ECC997A BD5E5BD8;

• F5BD5D7 F5BD5C9A  6BF47D7! (9CD 9C55E5BD 

BCDC5E 7E9BD579).

-265754:

• 9C5485" 7 EC BCD, 5'C9AC" 595 9C 54CC 10

F548 57DC4C" (65EF8DC5), 57  75 FF;

• D95 5CBFCD8 54#9 7D 95E7! F 5485E

7 ECC BCD.

%EC7E 595795 BCDC 5FC7!599 BBDCE A4ADBA

LANtastic (E Artisoft), NetWare Lite (Novell). %5C#67

595795 BCDC" BD5C97 D76#C  5FC7!599C BBDCE Windows

(Windows NT Workstation, Windows 95  .) E Microsoft.

3.1.4.2. EACD CDF6 "DA3C-BA58A5"

3CD DF7 "64C9D-BCC" B5C#7D:

• DF9FA – E59C 65EF8DC, 47CC 7 C4ACEE EC#

F548 57DC4AE BCD CBB7E  F74AC 5BDF5E 6 9E 64C9D5;

• 35CF7EA – EC9CC E59C 65EF8DC BCD, 47CC

9C7 C4ACEE CBB7E  ECC 5BDF 6 CBB7E BCC5.

(DC6D7 BCD DF7 "64C9D-BCC" 5F7797, CB4:

•  BCD F479CDBA 75D7 B C9E BCDCE CBB5E, 97FEC,

595CEC997A 75D7 9CB65486 F548 57DC4C" B 5C" 7 5" 799,

7BF545#C995" 97 BCCC;

• !C4CB557 95 B5BC5D5D8 BC 7 C4ACEC BCDCC CBB

(97FEC, BCDC5" F9DC)  595E ECBDC  9C DCCDBA 5C9C

75 BD79!" EC# B55".

6564A5E7:

• B567A F5 5DC4895BD8 7 BCD 7 C4C9A CBB5 BCD;

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

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• 5 E5#95BD8 579 7! C6D95" 7D 799;

• C6D97A 579 7!A C C955 65F579A 799;

• BF5B595BD8 F5C#7D8 75D  BCD B5DC9  DBA

F548 57DC4C";

• 55C 5 E5#95BD 4A 7BC9A.

-265754:

• DCD F5BD5A9955 674!579955 5B4#79A –

7E9BD579A.

3.1.4.3. F9FA 1

F9F 1 – C4C99" 65EF8DC, 65D5" FC5BD74ACD

E 65EF8DC7E BCD 5BDF 6 5E BCDCE CBB7E. %57EE7,

C77A 97 B55DCDBDC 7F5B  F549A7A , 97 7CDBA

D52 4 DF9CD2.

3CC C4ADBA 97:

• 7"4-BCC;

• F6479C BCC.

(2)6-55 FC5BD74ACD 5BDF 6 5CE B655E

F5BD79BD,  65D55E 79ADBA 5C5BDF9C 7"4, ,  5B9595E,

5FCC4ACD 5 E5#95BD 123.

!6245 55 FCBD74AD B55" BCBD7 7BC9A

5 E5#95BDC" 123  647D  BCA: BCC 7 799, BCC FC7D,

BCC C C579A, 76B-BCC  D..

3.1.5. 799A667572 9327C2C DEF

+B9595" A265756 123 – 974C 579C9A 97 5

F5DA#C995BD8 67C4895" BCD, B5BD74A 9CB654865 B5DC9 ECD5.

076 4A BD797D7 Ethernet 497 BCEC9D7 (7BBD5A9C 5D 595" 67"9C"

BD79! 5 5") B5BD74ACD 9C 54CC 500 ECD5 – 4A 4C6DCB655

67C4A.

76BE74895C 7BBD5A9C EC# EA 9754CC 74C99E 

5D 7 (67"9E) BD79!AE 97 7CDBA C4FE2 DFEC.

%5BDC"" FD8 C4C9A 7ECD7 BCD  654CBD7

65EF8DC5 – A6622A5A7! 637A47 4! ."( B BF548 579CE:

3 9CB65486 BCDC 77FDC5  7"4-BCCC;

3 F5D5DC4C";

3 659!C9D7D55.

3.1.5.1. BF44863DA 3AB4D BACA89 626FCA548

+95  FC  9754CC F5BD CC9", 97F74C99 97

C4C9C 7 EC7 45674895" BCD, – BF548 579C 9CB65486 BCDC

77FDC5 (B.3.4), D5 F5 54A45 C4D8 7ECD BCD F5D 5C F5

B79C9 B 595BCEC9D95" 123. .7FEC,  BCD Ethernet E545 D8

5 5 BCEC9D5, 67#"  65D5 EC4 5DC489 67C489 BBDCE.

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

183

3C-

C

500 E

1000 E

…

3.4

…

6564A5E6:

• F5BD5D7 C74 7!

 9CB567A BD5E5BD8.

-265754:

• 9C55E5BD8 B-

F548 579A F5 5F549-

DC4895E BCDC5E 77FDC

(3() 97 67#" BCEC9D;

• 5487A 97 67 97

BCC , 676 B4CBDC,

9C5 E5#95BD8 F5BD5C9A

548 (B 548E B45E

75 BD79!") BCDC".

3.1.5.2. 48C45DCAD

29E2CEF56 (repeater) – F5BDC"CC BCDC5C BD5"BD5 4A

F5BD5C9A E955BCEC9D9 123, B47" B974, F54C99" B

5955 BCEC9D7,  FCC7" C5  5" BCEC9D (B.3.5).

%5D5DC48 F9E7CD B974  5955 BCEC9D7 67C4A  F5D95

B95995 F5D5ACD   5E BCEC9DC, 47A 5E  E595BD8

EF48B5, 7 D76#C B959 A EF48B.

%5D5DC48 5'C9ACD 7685A6 42A54#AB2 BCD  75D7CD 97

B7E5E 9#9CE – 44#26 36EA2 OSI-E5C4.

6564A5E7:

• F5BD5D7 579 7! E955BCEC9D9 123;

• CC 97.

-265754:

• 97DC4895C F5C9C 7 6  55 BCEC9D7, D.6. 7#C

"ECBD9C" B55C9A 5955 BCEC9D7 FCC7DBA   BCD8;

• B9#C9C F5 5DC4895BD (B655BD FCC7 799) 3%*.

3.5

56%

…

– 0-57 9" BNC-7 'CE

3CEC9D 1 3CEC9D 2

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

184

3.1.5.3. 43A3C56C459

27F7E4E2 (hub / 4) – BCDC5C BD5"BD5, BF548 CE5C 

BCDA 97 E456C F732,  65D55E 659!C9DDBA C 5D 75

BD79!" 5DC 6 67C4A (B.3.6). 2CC 659!C9D7D5 65EF8DC

F5B5C9ACDBA 6 C95" BCC 5EC97 799E EC# BD79!AE 123 –

BCC 4 E7BD74895E 67974. %5BDC"" 659!C9D7D5

FCBD74ACD B55" A66F6356EBC F6E56345289  BF548 CDBA 

67CBDC !C9D748955  47 123 B D5F545C" « C 7».

&59!C9D7D5 E5#CD ECD8 5D 8 5 32 F5D5 4A F564C9A

65EF8DC5. *7489C"CC C4C9C 654CBD7 F5D5 5BD7CDBA

FDCE 5'C9C9A 659!C9D7D55  C9" 5! !"52, 676

D5 F567 795 97 B.3.7.

&5EC F5D5 4A F5B5C9C9A 75 BD79!" B F5E58 D5"

F7 659!C9D7D5 E5D ECD8 7 'CE 4A F5B5C9C9A 6

B565B655BD95E E7BD74895E 67974 97 6576B74895E 67C4C 4

54565995-5FDCB65E 67C4C.

3.1.6. 6598 3267C 9A59  DEF

.7 C6D95BD8 96!59579A 123 BCBDC995C 4A9C

567 7CD 54 *265# 4 * (Access Control Method),

5FCC4A" F5A56 FC5BD74C9A BCDCE  47E 5BDF7 6 BCC

FCC7 799 B !C48 5CBFCC9A 67#5E F548 57DC4

FCE4CE55 59A 5B4#79A. CD5 5BDF7 6 BCC FCC7

C74 DBA A7 7A789A6 36EA2 OSI-E5C4.

962!2"# 54 4 *2 FCBD74C97 97 B.3.8.

72FDE9F77A 2DE – ECD5 5BDF7 E95#CBD7 BCDC  45

6 5C" BCC FCC7 (97FEC, 5C" 9C), 5B95799" 97

B5FC9CBDC BD79!" 7 5BDF 6 BCC FCC7. &7#7A BD79!A E5#CD

FD7D8BA FCC77D8 799C  45" E5EC9D CEC9.

& ECD57E E95#CBDC9955 5BDF7 5D95BADBA:

• B47"9" 5BDF;

9"52 5

9"52 4

9"52 3

9"52 2

9"52 1

3.7

3.6

9"52

100D/

10 D/B

3CC

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

185

• D76D5799" 5BDF;

• 5BDF B 659D54CE 9CBC"  597#C9CE 65946D5;

• 5BDF B 659D54CE 9CBC"  FC5D7C9CE 65946D5.

.754CC F5BDE  CBDCBDC99E ECD55E 5BDF7 6 5C" BCC

FCC7 A4ACDBA 6 +2)) 4 *, 5 977", D5 67#7A BD79!A

BCD 9797CD FCC7 677  E5EC9D C5 F5A4C9A (5E579A), 9C

7BE5 5D D55, 79AD7 57A BC7 FCC7 4 B5597. 3B4 C 

54CC BD79!" 5BCBD4AD FCC7  595  D5 #C CEA, D5  67

 7E95 B67#7DBA,  5 967CD 68844!. .7 B.3.9,7) F567 79 B47",

657 C 75C BD79! 131  132 9797D FCC7 675 «&71»

 «&72»  B47"9C E5EC9D CEC9



B55DCDBDC995. 2 E5EC9D

5 967CD 6544 A (B.3.9,), B67#77A 57 677. 5#95 F567 7D8,

D5 65!C9D BF548 579A 679747 BA  F B47"95E ECD5C

5BDF7 B5BD74ACD FEC95 16%.

-EC98C9C 6544 "  C4C9C 65!C9D7 BF548 579A

679747 BA  E5#CD D8 5BD9D5 7 B)D BF548 579A

2!2 4 *2, 65D5" 7647CDBA  B4CCE. 2CB8

CD5 5BDF7  123

95#CBDC99" (9CF74ACE") 76C9" (F74ACE")

B 5B55#C9CE

E76C7 7CB7D5E

B 5B55#C9CE

E76C7 5DF7DC4CE

799CC 5B55#C9C

E76C7 (ETR-Early

Token Release)

347"9"

076D5799"

3 659D54CE

9CBC" …

…  597#C9CE 65946D5

(CSMA/CD – Carrier Sense

Multiple

Access with Collision Detection )

…  B FC5D7C9CE 65946D5

(CSMA/CA – Carier Sance Multiple

Access with Collision Avoidance )

3.8

&71

&72

&71

&72

131

132

347"9"

076D5799"

)

)

3.9

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

186

CEC995" 9DC74 7 7CDBA 97 D76D 495" T, C 97C9C 1

54#95 D8 548C CEC9 FCC7 677 E76BE74895" 49.

&7#7A 757A BD79!A E5#CD 977D8 FCC7 677 D54865  9774C

5CC955 D76D7. 2 D5E B47C «&72» CD FCC79  5E D76DC F5

5D95C9 6 «&71» (B.3.9,),  6544 A 9C 5 969CD. +9765

B4CCD 5DECDD8, D5 5BD7)DBA 5BD7D595 B565" C5AD95BD8

5 9695C9A 6544 "  DC B47A, 657 E5EC9D 5E579A

675  7 9 BD79!A 567 7DBA  FCC47 5955 D76D7. 2 BA  B

DE, 65!C9D BF548 579A 679747 BA , 5DA  C47CDBA, 95

9C 97DC4895,  B5BD74ACD FEC95 32%.

,-55) 4 *  !65 5 .5)  /2 -55

!6! (Carrier Sense Multiple Access with Collision Detection –

CSMA/CD) – ECD5 5BDF7 6 BCC FCC7, F 65D55E BD79!A,

EC7A 799C 4A FCC7, F5B47CD 67974, D5 5FCC4D8, 9C

FCC7)D 4 799C  D5 CEA 7A BD79!A. +DBDBDC B9747

9CBC" 5 977CD, D5 67974 B55C9  BD79!A E5#CD 977D8 FCC7.

+9765 9C B64C95, D5  DCC9C CEC9 7BF5BD79C9A B9747 F5

BCC FCC7 C BD79! F5D 595CEC995 D76#C 979D

FCC7 B5 799.

25 CEA FCC7 BD79!A F554#7CD F5B47D8 67974, D5

5BD5CD8BA  5DBDBD 6544 . 3B4 6544 A 9C 76B5797,

799C BD7DBA BFC95 FCC799E.

% 597#C9 6544  BD79!A F5D5ACD FCC7 CC

9C65D55C B47"95C CEA. %5D59C FCC7 F5D5ADBA 5 DC F5,

F567 799C 9C D BFC95 FCC79.

,-55) 4 *  !65 5 .5) 

*542.55 !6! (Carrier Sense Multiple Access with

Collision Avoidance – CSMA/CA) – ECD5 5BDF7 6 BCC FCC7, F

65D55E FCC77 799 FC7ACDBA F5B465" B9747 45656

(jam) B !C48 77D7 FCC7C" BC  E595F54895C F548 579C. $D5D

ECD5 5BDF7 C65EC9579 65EDCD5E IEEE 802.11 4A 2F36E6ABD

."(.

43F7A 2DE FCF5477CD 974C  BCD 677

BFC!748955 5E7D7, 97 7CE55 43F2, 65D5" 9CFC95

!64CD  BCD  F74ACD F5!CBB5E 5BDF7 75 BD79!" 6

BCC FCC7 799. 2 67#" E5EC9D CEC9 799C E5#CD

FCC77D8 D54865 D7 BD79!A, 65D57A 47CCD E76C5E. 1757A BD79!A,

47C7A E76C5E, FB5C9ACD B5" 67 799 6 E76C 

5DF74ACD 7CB7D. % D5E 5 E5#9 7 49C 22

5B55#C9A  FCC7 E76C7 5" BD79!:

1) /-455 2!52 2452: 73275 65624A!25 E76C

5D 799  E5#CD BF548 57D8 C5 4A 5DF76 B5C5 677, CB4

D7655" CBD8, 4 FCC7D8 E76C 5" BD79!;

2) /-455 2!52 *2565: E76C B

FB5C9C99E 675E 799 C47CD F549" 555D  65624A!25!

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

187

65F37E45282 ( CB Token Ring 4A B655BD 4 D/B), CB4 595

C945B8 C 556;  F5D95E B47C, D5D #C 67 B E76C5E

97F74ACDBA F5D595  BC FCC7 799;

3) ECD5 25 /-45# 2!52 ETR (Early Token

Release), 657 757A BD79!A 5B55#7CD E76C B7  F5B4C FCC7

B5 799  FCC7)D C5 5" BD79!, 9C 5#7A 5 7C9A

5DF74C9955 677 799 ( CB Token Ring 4A B655BD 16 D/B

  BCD FDDI).

76C9" 5BDF BF548 CDBA  BCDA:

• B 995" D5F545C"  123 ARCnet: C65EC97!A IEEE 802.4

(Token Bus – E76C97A 97);

• B 6548!C5" D5F545C"  123 Token Ring  FDDI: C65EC97!A

IEEE 802.5 (Token Ring – E76C95C 6548!5).

3.1.7. F5272358 94278 A656

+B959E 7 75D65E BD797D5 4567489 BCDC" A4ACDBA

65EDCD 802, 579 5799"  1980 5  IEEE. 2 7E67 D55 65EDCD7

4 57 579 F565EDCD 802.1, 802.2,…,  65D5 7 77D7DBA

BD797D 7 9 59C" IEEE-E5C4  7 49 DC9545"

F5BD5C9A 123. .7 B.3.10 FCCB4C9 9C65D5C  D BD797D5,

FCBD74AC B55" C65EC97! F5 7 75D6C 123,

5CBFC7C F549C9C 5B959 DC579" 6 579 7! BCDC",

D76 676 5D6D5BD8, 65BD8  B5ECBDE5BD8. 3D797D 123

57BD7D 5F549C9AE, 65D5C 975AD 5D7#C9C  55 97C9A

802.  C 6, 97FEC 802.1p (BD797D, 5FB7"

F5DC 7! D767 97 67974895E 59C), 7 D76#C F5F549ADBA

95E BD797D7E, 5D7#7E F5A4C9C 95 DC9545"

4567489 BCDC", 97FEC CBF559 BCDC" 802.11  802.16.

.#C 7BBE7D7DBA F9!F 579 7! 9754CC F5F4A95"

123 Ethernet, BF548 C" ECD5 5BDF7 CSMA/CD (IEEE 802.3), 

802.2 %55C98 LLC

802.3

CSMA/CD

(Ethernet)

802.5

Token

Ring

5CBF559C 123

…

,7A789ABC

36E2A9

IEEE 802.1

+C 5FCC4C9A 123

(57A735B

2%252E66

E7462C5E4!

10 Base-

100 Gigabit

…

STP 4 D/B

*44#24C

36E2A9

STP 16 D/B

.10

802.4

Token

Bus

802.11

802.16

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

188

123 Token Ring, BF548 C" ECD5 5BDF7 «E76C95C 6548!5» (IEEE

802.5), 7 D76#C CBF559 DC9545" FCC7 799,  CBD9 676

WiFi (IEEE 802.11)  WiMAX (IEEE 802.16).

CD5 5BDF7 Token Bus – «E76C97A 97», 5FB799" 

BD797DC IEEE 802.4, 4 C74 579  45674895" BCD ArcNET, 9C

F54C" 5655 7BF5BD79C9A.

3.2. CDE Ethernet

3.2.1. B!C6 A667C

Ethernet – DC9545A 123, 7 75D7997A B5ECBD95 E7E DEC,

Intel  Xerox (DIX)  5F4657997A  1980 5  C BD797D7

Ethernet II 4A BCD B F5FB695" BF5B595BD8 10 D/B, F5BD5C995"

97 5B95C 6576B748955 67C4A.

.7 5B95C BD797D7 Ethernet II 4 7 75D79 BD797D IEEE 802.3,

65D5" ECCD B4CC 5D4A:

• 6797489" 5C98 7 D 97 7 F559A: MAC  LLC;

• 9CBC9 9C65D5C  EC9C9A  5E7D 677 F DC #C

E9E7489  E76BE7489 7 EC7 675.

2 7BE5BD 5D  CB65" BC FCC7 799 IEEE 802.3

FCBE7D7CD 7 49C 779D C74 7! 123 97  CB65E

59C:

• l0Base-5 – D54BD" 6576B7489" 67C48;

• l0Base-2 – D596" 6576B7489" 67C48;

• l0Base-T – D7A F77;

• l0Base-F – 5FD5545695.

2 1995 5 4 F9AD BD797D Fast Ethernet B F5FB695"

BF5B595BD8 BC FCC7 100 D/B, 65D5" FCBD74C9  C

5F549DC48955 7 C47 802.3u 6 BD797D IEEE 802.3.

2 1998 5 F9AD BD797D Gigabit Ethernet, 5FB799"  7 C4C

802.3z 4A 123 B F5FB695" BF5B595BD8 1 6D/B.

2 2002 5 DC#C97 BFC!67!A IEEE 802.37C 4A 123 B

F5FB695" BF5B595BD8 10 6D/B (10 Gigabit Ethernet),

FCBE7D77A BF548 579C 54565995-5FDCB6 67C4C".

2 9C 2010 57 F9AD BD797D IEEE P802.3ba 4A 123 B

F5FB69E BF5B595BDAE 40 6D/B  100 6D/B: 40 Gigabit Ethernet

(40GbE)  100 Gigabit Ethernet (100GbE).

%CCB4C99C 779D 123 Ethernet  5 F5A4C9A

B55DCDBD BD797D5 BCC9  D74.3.1.

2 BD797DC IEEE 802.3 5FCC4C9 256 65F7, BF548 CE" 

BCDA Ethernet (

 D5E B4C Fast Ethernet  Gigabit Ethernet) – CSMA/CD –

E95#CBDC99" 5BDF B 659D54CE 9CBC"  F5C65" BD54695C9".

&5EF8DC  123 Ethernet F5647DBA 6 7 C4ACE5" BCC 

B55DCDBD B D5F545C" «57A 97» (B. 3.1), 65D57A 5CBFC7CD

5EC9 799E EC# EA 4E 65EF8DC7E BCD. -F74C9C

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

189

5BDF5E 6 5C" BCC FCC7 C74 CDBA BCBD7E BCDC55

77FDC7. &7#" BCDC5" 77FDC, ECCD 967489" 7CB.

1784 7 3.1

F22 7F Ethernet * !2#

*/%

242 04

Ethernet DIX 10 D/B Ethernet II 1980

Ethernet 10 D/B IEEE 802.3 1982

Fast Ethernet 100 D/B IEEE 802.3u 1995

Gigabit Ethernet 1 6D/B IEEE 802.3z 1998

10 Gigabit Ethernet 10 6D/B IEEE 802.37C 2002

40 Gigabit Ethernet 40 6D/B IEEE P802.3ba

2010

100 Gigabit Ethernet 100 6D/B IEEE P802.3ba

2010

&7, FCC77CEC BD79!AE, F55AD CC BCDCC 77FDC

BC BD79!" BCD, 95 D54865 D7  9, 65E 7CB579 799" 67,

F9E7CD  7FB7CD C5  C 77FDC7 4A 7489C"C5

5E579A B55C9A  FCC7 C5  F7EAD8 75C" BD79!. 076E

57 5E,  67#" E5EC9D CEC9  BCD E5#CD FCC77D8BA D54865 59

67. 3B4 FCC7 675 9797D 595CEC995 C  54CC BD79!,

5 967CD 6544 A,  C 48D7DC 65D55" BC 67 B67#7DBA 

DCCDBA F5D597A FCC77 675.

27BD8 BCD Ethernet, BC  4 65D55" 7BF5 97D 6544 ,

9C 7BE5 5D D55,  6765" 7BD D5" BCD 6544 A 5 9647, 97 7CDBA

2F72 3255C C (collision domain).

3D797D IEEE 802.3 5FCC4ACD 579C9A, 97477CEC 97 7 EC

123 Ethernet:

• E76BE74895C #486 57A 4C E 254 – 1024;

• E76BE74897A F365!%2AA659 254 – 3-4 6E;

• E76BE74897A 497 BCEC9D7 BCD (3756!A42 2% 37CA44

57A 4!4), 7BA7A 5D DF7 FCC7C" BC:

4 500 ECD5 – 4A D54BD55 6576B748955 67C4A;

4 185 ECD5 – 4A D59655 6576B748955 67C4A;

4 100 ECD5 – 4A D5" F7;

4 2000 ECD5 – 4A 5FD5545659955 67C4A.

+B959E D5F545AE 123 Ethernet A4ADBA:

• "/.2# 12",  65D55"  67CBDC BC FCC7 799

BF548 CDBA 6576B7489" 67C48;

• "35342",  65D55" !C9D7489E  45E A4ACDBA 659!C9D7D5, 7 

67CBDC BC FCC7 799 BF548 CDBA D7A F77 4

5FD55456599" 67C48.

3.2.2. "CC#6A4C 3967 DEF Ethernet

&7C4897A BBDCE7 BCD Ethernet A4ACDBA 65EE967!5995"

BC5", F5 65D55" FCCEC7DBA 67 799. 3D797D  CB655

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

190

59A B5C#D 5FB79C (BFC!67!) 67C4C" 7 49 DF5,

F59 4A C74 7! BCDC" B ECD55E 5BDF7 CSMA/CD.

+5 97C9C BFC!67!"  CB655 59A  B55DCDBD B5

BD797D5E 802.3:

<>Base-<9>,

C <> – B655BD8 FCC7  D/B – E5#CD F9E7D8 97C9A 10,

100, 1000, 7  B47C 7D9 B655BDC" – 1G, 10G, 4G, …; Base – ECD5

FCC7, 5 977" 6A6E6F686A FCC7 (Baseband); <9> – DF

67C4A:

• 2 – D596" 6576B7489";

• 5 – D54BD" 6576B7489";

• T – D7A F77 (Twisted pair);

• F – 54565995-5FDCB6" (Fiber); … .

!D7292252D748 (*#2#, 54 622#) FF4B4 (baseband)

– ECD5 FCC7 799, F 65D55E !55" B974 97F74ACDBA

9CF5BCBDC995  BC FCC7 C E54A! 9CBC", F D5E BA

F545B7 F5FB679A BF548 CDBA 4A FCC7 D54865 5955 !555

B9747. $D5D ECD5 5C9 4A FCC7 799 F5 679747E B 565"

F545B5" F5FB679A 97 9C548C 7BBD5A9A  776DC CDBA

F5BD5D5"  CC 95" C74 7!,  BA  B CE 565 BF548 CDBA 

123.

"C232252D748 FF4B4 (broadband) – ECD5 FCC7 799,

5B95799" 97 7BD5D95E FDM, CEC995E TDM 4 54955E WDM

F45D9C9  B5 79 9CB65486 7BD5D9 4 CEC99B 679745, F5

65D5E 9C 7BE5  5D 7 E5D FCC77D8BA 9CB654865 F5D565

799.

*4A BC 779D5  CB655 59A DC9545 Ethernet,

5CBFC7 F5FB69 BF5B595BD8 10 D/B, BF548 CDBA

7A#252362 6436E7A42.

3.2.2.1. EFADD6D 10Base-5

10Base-5 – BD797D  CB655 59A, A4A"BA 7BD8

BD797D7 IEEE 802.3  5FB7" 75D BCD Ethernet 97 D54BD5E

6576B74895E 67C4C (thick Ethernet), BF548 CE5E  67CBDC 5B9595"

E7BD74.

.7 B.3.11 F567 79 22A5 123 Ethernet 97 D54BD5E 6576B74895E

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