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Title:

??? ISDN??????????

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Title: 33ISDN Author: jlbian Last modified by: wy Created Date: 4/5/2001 3:32:50 AM Document presentation format: Company – PowerPoint PPT presentation

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Transcript and Presenter's Notes

Title: ??? ISDN??????????


1
??? ISDN??????????
  • ISDN?????
  • ISDN?????
  • ISDN???
  • ISDN???--????
  • ISDN?????
  • ??????
  • ISDN??
  • ??????
  • ???????
  • ?????????????
  • AO/DI??

2
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ISDN???
  • ISDN???????

3
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ISDN???

1.?????????????? 2.??????? 3.?????????????????
??????????,???????????? 4.??
?????????????????????????????
????????????????????????????????
4
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ISDN???
  • 1. ISDN???????
  • ?????????(IDN)????,??????????,???????????(????
    ?????),?????????????????????--?????
  • 2. ISDN???????
  • ????????
  • ?????
  • ???????

5
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ISDN???

1) ????????
6
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ISDN???

2) ??????????-????
????????,??????????????????????????????????????
?????????? ????????????????????,??????????????
??????????????
7
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ISDN?????

1. ?????? 2. ???????? 3. ????????
8
?6? ISDN????
6.1 ISDN?????
  • ISDN???

CCITT?ISDN????????
  • ????(bearer service)
  • ??????(teleservice)
  • ????(supplementary service)

9
?6? ISDN????
6.1 ISDN?????
  • ISDN???
  • ????

1. ?????????????,???????????????????????????????,?
??????????????????OSI 1-3????? 2.
CCITT?????????????????????????????????????????,CCI
TT???13???,?????????????,?????????????????????????
?
10
?6? ISDN????
6.1 ISDN?????
  • ISDN???
  • ????

3. ???????
  • ?13????,?4?????,??????
  • ??????
  • ???????????????
  • ??????
  • ??????,?64?2 64?384?1536? 1920kbit/s
    5?????
  • ??????,??????,????????

11
?6? ISDN????
6.1 ISDN?????
  • ISDN???
  • ????

3. ???????
  • ??????
  • ??????????????3.1kHz???7kHz???15kHz?????5??
    ???
  • ??
  • ????????????????????,?????????????????????
    ,?????????????
  • ??8kHz??????????(SDU)???????3?????

12
?6? ISDN????
6.1 ISDN?????
  • ISDN???
  • ??????

1. ?????????????????????,?????????????????????????
???,????OSI 1-7??????? 2. CCITT?????????????2/3??
??4????????????????????????????????
13
?6? ISDN????
6.1 ISDN?????
  • ISDN???
  • ????

1. ????????????????????????,?????ISDN???????,?????
????????????? 2. ?????????????,????????????????,
?????????????????????????
14
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN?????
  • ISDN???-????
  • ISDN?????
  • ISDN?????

15
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ????-???????
  • ???????????????-????
  • (1)??????
  • (2)??????
  • (3)X.25??
  • ??????????
  • (1)V.24??
  • (2)?????
  • ???-???????
  • ????????????

16
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-?????????

17
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-????????????

1.???(Function Group) ????ISDN???????,?????????
????????? 2.???(Reference Point)
???????????????????????,???????????????????????
18
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-????????????

3.????????????
1) NT1?NT2???T?????????????,??????????????,???????
??? 2) S????????ISDN????,?????????????????????
19
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-????????????

3.????????????
3) R????TE2?TA??,????ISDN????????? 4)
U???????????????????
20
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-????????????

4.???????????ISDN?????
1) ????1(NT1) ?ISDN???????????????????OSI?1???
?,?????????????????????,??????????????????????,???
?????,?????????,????D??????,?????????????
21
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-????????????

4.?????
2) ????2(NT2) NT2??????????,?????OSI
13????? ???????????,NT2?????PBX?????????
22
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-????????????

4.?????
3) 1?????(TE1) TE1???ISDN??????,????ISDN????(?
S??????)?????,????????4?????
??????13??????????????????
23
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ISDN??-????????????

4.?????
4) 2?????(TE2) TE2???ISDN??????,????ISDN??????
???,?????????TA???,????ISDN?????(S???)? 5)
?????(TA) TA??????(???????????),?TE2???ISDN??
???? TA??OSI?1???????????
24
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • UNI????

1. ??????????????
2. NT2?NT1??,T?????
25
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • UNI????

3. NT2?TE1?TA??,S?????
4. NT2???,S?T?????
26
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ?????????UNI

1. ????(?NT2)
27
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ?????????UNI

2. ????(?NT2)-NT1????S/T??,?????????
28
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ?????????UNI

3. ????(?NT2)
29
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ?????????UNI

4. ????(?NT2)
30
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ?????????UNI

5. ?NT1,?NT2
31
?6? ISDN????
6.1 ISDN?????
  • ISDN???--????
  • ?????????UNI

6. NT1???1???
32
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • B??64kbit/s,????????
  • D??16?64kbit/s,????????????
  • H??????????
  • H0??384kbit/s
  • H11??1536 kbit/s(???PCM24???)
  • H12??1920 kbit/s (???PCM30/32???)

33
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • B??
  • 1.B?????????,??????????????,?????64kbit/s?
  • 2.??B??????????????,??????????????????????,B????
    ?????????????B??????????,?????????????????????????
    ???
  • 3.B???????????????????????????

34
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • D??
  • D???????
  • 1.???????????,????B???????????
  • 2.??????????,D?????????????????????

35
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • H??
  • 1.????????????
  • 2.?????H?????????????????????????

36
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ??????(BRI)
  • 1.???????????????,???????????????
  • 2.????64kbit/s???B??,??????????16kbit/s???D??,??
    ????.

37
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ??????(BRI)

38
?6? ISDN????
6.1 ISDN?????
  • ISDN?????
  • ???????
  • 1.??????????????????????
  • 2.?????? E1????
  • ????????????2048kbit/s
  • ????? 30BD
  • ?????????? T1????
  • ????????????1544kbit/s
  • ????? 23BD

39
?6? ISDN????
6.2 ISDN?????
  • ISDN???????
  • ?PSTN?????,ISDN????????????
  • ?????????,??????????
  • ??????????????NO.7??,???????????????
  • ??????????,??????,???????????
  • ?????????????,????????????????
  • ?????????,?????????????
  • ?????????????

40
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

????????????????BRI??????????ISDN?????????????
?????????? ???(FDM)
?????(?????)(TCM) ?????(EC)
41
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

1. ??? ??????????????????????
42
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????
  • 1. ???
  • 1)??????
  • ???????????????????,????????????????????????
    ????????????
  • ??? ??????????????????????????,?????????????
    ????

43
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????
  • 1. ???
  • 2)???
  • ????????,???????????
  • ?? ???????,??????????,?????????????
  • ??,???????????

?????????????
44
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

2.????? ????????????????????????
45
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

2.????? ???????????????????,???????????????
?????????,????????????????????
46
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

2.?????
?????????????,????????
??????????????,?????????
47
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

2.?????
  • ????
  • ???????????????????,???????,????????,????
    ????????????????????????????????????????????????,?
    ?????????????,?????????????2?????????

48
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

2.?????
  • ????
  • ?????????????,??????????????,???????????????
    ??,?????????????????????????????????

????????????????????????????,???????????
49
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

2.?????
  • 2) ???
  • ?? ????????,????????
  • ?????????????,?????????????????
  • ?? ???????,???????????,??????????

50
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

3.????? ??????????????????,?????????????????,
????????????????????????????????
51
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????

3.????? ??????????????,????????,??????????????
2/4???,???????????
52
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????
  • 3.?????
  • ????????????,????????????????????????????????,
    ?????????????????????????

53
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ???????
  • 3.?????
  • ?? ?????????,?????????????
  • ?? ????????????

54
?6? ISDN????
6.2 ISDN?????
  • ??????
  • U????

U???????????,????????ANSI?ETSI????,???????????
???? 1. ??????????????2B1Q 2. ???
1??8?,1?240bit,
U???160kbit/s,1?????1.5ms 3.????,???
4.??/???
55
?6? ISDN????
6.2 ISDN?????
  • ??????
  • ??????

???????ISDN???????????????,???????????????????
??????LT?ET?????? LT??U??????
ETB?D??????? B?????????????
D?????????????? D????????
???????????????
56
?6? ISDN????
6.2 ISDN?????
  • ISDN??
  • ISDN?????
  • 1. ?????????????
  • ??ISDN?????-????????????,????????????????
  • 2. ???????? ??????8?

57
?6? ISDN????
6.2 ISDN?????
  • ISDN??
  • ISDN?????

3. ????????? ??????????????????????????????,??
??????????????????ISDN??????,??????????????????
58
?6? ISDN????
6.2 ISDN?????
  • ISDN??
  • ISDN?????

4.?????????? ??ISDN?????????????????????,?????????
????,???????-???????????????????,????ISDN?????????
?????????????
59
?6? ISDN????
6.2 ISDN?????
  • ISDN??

C??????????,????,??????????????????? U??????????
,????,??????????????????????????? M???,?????ISDN?
???????????
  • ??ISDN????

60
?6? ISDN????
6.2 ISDN?????
  • ISDN??
  • ??ISDN????

C???U?????????M??????,?M??????????C???U??????
C???U??????????
61
?6? ISDN????
6.2 ISDN?????
  • ISDN??
  • ISDN??????

62
?6? ISDN????
6.2 ISDN?????
  • ??????

ISDN??????????? ??????(CASE A)ISDN????????????
,????????????PSPDN?????,??????
?????????(CASE B)ISDN???????????,????????????????
???????,?????? ISDN?????????PH
??????(PHI)????????????,??????????????????,??????
????,???????????????????
63
?6? ISDN????
6.2 ISDN?????
  • ??????
  • CASE A
  • ???ISDN?PSPDN????????????,???????(AU)

1.??ISDN,AU???ISDN??,????ISDN??,?ISDN???S?? 2.??P
SPDN,AU?DTE,????X.121??,?PSPDN???X.25?? 3.???????
AU???????????????
64
?6? ISDN????
6.2 ISDN?????
  • ??????

1??CASE A???,ISDN?B????????D????????,??????????B??
???????? 2??CASE A???,????????????ISDN?,?????????
????PSPDN???,??ISDN??????????
65
?6? ISDN????
6.2 ISDN?????
  • ??????
  • CASE B
  • ???ISDN???????????(PH),?PH???PH?PSPDN????X.75?X
    .25??

1.????????B??,?????D???PH??,????????????????,?????
???????????? 2.????????????????????????? 3.?????
???????
66
?6? ISDN????
6.2 ISDN?????
  • ??????
  • CASE B
  • ???ISDN???????????(PH),?PH???PH?PSPDN????X.75?X
    .25??

1.????????B??,?????D???PH??,????????????????,?????
???????????? 2.????????????????????????? 3.?????
???????
67
?6? ISDN????
6.2 ISDN?????
  • ??????
  • PHI??
  • ???PH??????,????PH????64Kbit/s???????,ISDN?????
    ??B??(?????????)?D??????(?????????????????),????PH
    I

68
?6? ISDN????
6.2 ISDN?????
  • ??????
  • PHI??

1. PHI???????????PH????PSPDN? 2.
B????,PHI??????????????D????,PHI?????????????????
???
69
?6? ISDN????
6.3 ???????
  • ISDN?????

?????,ISDN?????(13?)??????????????(47?)?????,???
ISDN?????,?????????????
70
?6? ISDN????
6.3 ???????
  • ISDN??????

ISDN?????????????
  • ISDN?????????????????????,
  • ISDN??????????????????????
  • ISDN??????????(?????)
  • ISDN?????????ISDN???

71
?6? ISDN????
6.3 ???????
  • ISDN??????

ISDN???ISDN??????
  • ISDN????ISDN???????????,??????????????????ISDN???
    ??????ISDN?T????
  • ISDN???ISDN????????????????????????????????,?????
    ??????????????

72
?6? ISDN????
6.3 ???????
  • ISDN????????

?????????,??????????????????,???????????
  • ?????????
  • ???????????????????(?????????????????????????????
    ?)
  • ????????????????,???????????
  • ???????????,?????????,?????

73
?6? ISDN????
6.3 ???????
  • ISDN????????

???????ISDN??,???????ISDN???????
74
?6? ISDN????
6.4 AO/DI??
  • AO

??????(Always On) ???????ISDN?D??????????
????,?ISDN???Internet???????????????????,?????????
????????
75
?6? ISDN????
6.4 AO/DI??
  • DI

??????(Dynamic ISDN)
?D???????????,???????????????,????????,?B?????64kb
it/s??128kbit/s?????,????????????
76
?6? ISDN????
6.4 AO/DI??
  • AO/DI

???AO/DI??,???ISDN?????????????????PH????????
???AO/DI????????AO/DI?????????????AOS(Always On
Server),?AO????
77
?6? ISDN????
6.4 AO/DI??
  • AO/DI??
  • ?????

78
?6? ISDN????
6.4 AO/DI??
  • AO/DI??
  • Internet????

?????ISDN????,AO/DI?????Internet??????????
?????? ????????????????B?????,?????????????
??ISP?? ???????B??,????????????????ISP???????
????????? AO/DI?????????????ISP?????????,???????
?????PSTN?????
79
??
?6? ISDN????
  • ISDN?????
  • ISDN?????
  • ISDN???
  • ISDN???--????
  • ISDN?????
  • ??????
  • ISDN??
  • ??????
  • ???????
  • ?????????????
  • AO/DI??
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