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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?????

1.B?????????,??????????????,?????64kbit/s?
2.??B??????????????,??????????????????????,B????
?????????????B??????????,?????????????????????????
???
3.B???????????????????????????

34
?6? ISDN????
6.1 ISDN?????

ISDN?????

D???????
1.???????????,????B???????????
2.??????????,D?????????????????????

35
?6? ISDN????
6.1 ISDN?????

ISDN?????

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??

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