bao cao tt truc -yen

BO CO THC TP TT NGHIP

TNG I AXE10

CHNG 1: GII THIU CNG TYI.1. Cng ty c phn dch v bu chnh vin thng Si Gn ( Saigon Post and Telecommunications Service Corporation- Saigon Postel Corp - SPT)Cng ty C phn Dch v Bu chnh Vin thng Si Gn ( SPT ) thnh lp theo ch o ca Th tng Chnh ph ti Cng vn s 7093/MDN ngy 8/12/1995 vi s vn iu l 50 t ng. Cng ty chnh thc c UBND TP.H Ch Minh cp giy php thnh lp s 2914/GP.UB ngy 27/12/1995. SPT gm 6 thnh vin sng lp l cc cng ty c kinh nghim hot ng kinh doanh nhiu lnh vc khc nhau. Vt qua nhiu kh khn, th thch vi quyt tm cao, nm 1997 SPT chnh thc cung cp dch v Internet ( ISP ) vi thng hiu SaigonNet, tr thnh mt trong bn nh cung cp dch v Internet u tin ti Vit Nam. T nm 1999, SPT vn sang lnh vc sn xut, lin doanh vi Cng ty Spacebel ( Vng quc B ), Phn vin CNTT ti TP.HCM thnh lp Cng ty TNHH Pht trin Phn mm Si Gn (SDC) sn xut, gia cng phn mm v cung cp cc gii php cng ngh thng tin. Vi s gp mt ca SPT, th trng bu chnh - vin thng Vit Nam tr nn a dng v phong ph hn, to ra bc t ph trong ch trng xa b c ch c quyn cng ty, to mi trng cnh tranh lnh mnh, bnh ng, gp phn thc y Ngnh v nn kinh t c nc ni chung. Hin SPT c cp gn nh y cc giy php ch cht ca Ngnh Bu chnh Vin thng Vit Nam. SPT gm c cc trung tm:-

TT Vin thng IP IT TT in thoi Di ng CDMAS-Telecom TT in thoi - STC 12/15/20111


TNG I AXE10

-

TT in thoi Nam Si Gn-SST TT Bu chnh Si Gn-SGP TT Dch v Vin thng -STS TT T vn v Gii thiu Dch v

Trung tm in thoi SPT (SPT Telephone Center - STC):

Chng em c nhn vo thc tp ti Trung tm in thoi SPT (SPT Telephone Center - STC). STC l cng ty th hai ti Vit Nam c php thit lp mng in thoi c nh , cung cp s thu bao in thoi c nh, fax v cc dch v khcp ng nhu cu lp t in thoi ti cc khu dn c, cc cng ty, khu cng nghip, khu ch xut, khu thng mi Trung tm in thoi SPT hin nay cung cp dch v in thoi c nh nhiu khu vc trong thnh ph v ang trin khai thm nhiu khu vc khc. STC cung cp cc dch v nh: Lp dt mi ng dy in thoi. Lp t Fax, trung k tng i ni b. in thoi cng cng. Thi cng xy lp cc cng trnh vin thng. Cung cp cc dch v thu bao s ISDN, ADSL,.. Cung cp cc dch v cng thm: hin th s gi n, thng bo vng Cung cp dch v thu knh vin thng ni ht vi nhiu tc : t

nh, m thoi tay ba, nhm lin t,.. 64Kbps 155Mbps.

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TNG I AXE10

I.2. Lch s pht trin ca AXETng i AXE l mt sn phm tng i chuyn mch k thut s, c sn xut bi cng ty vin thng Ericsson (Thu in). Vo 1974, n dc pht trin bi Ellemtel, mt nhnh nghin cu v pht trin ca Ericsson v Televerket. Cc h thng u tin c trin khai nm 1976. AXE l t vit tt ca Automatic Cross-Connection Equipment. AXE l sn phm s k tha t tng i tng t AKE v h ARF/ARM ca chuyn mch crossbar. I.2.1. Cc giai on pht trin: Nm 1975 Cc s kin Mt h thng tng i ni ht qun l cc my tnh, c gii thiu vo trong th trng th gii 1977 1982 1985 H thng AXE bt u t ph trong th trng quc t. Tng i s AXE u tin xut hin ti Phn Lan AXE c xut 63 nc v c s dng trong 22 h thng in thoi di ng. 1986 1988 AXE xut hin ti Bc M C ti 4 triu AXE c lp t, tng ng 10% th trng th gii. 1991 1992 Ericsson lp t h thng GSM u tin, da trn c s AXE AXE c pht trin rng ri trn 101 nc trn th gii

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TNG I AXE10

1993 1995

12 triu hng AXE c lp p. 14.5 triu hng AXE c lp t trn ton th gii. nhng mng di ng ca Ericsson, da trn c s ca AXE, phc v 34 triu thu bao trong 74 nc.

1998

S lng hng AXE ( ni ht v trung k) c lp t hn 134 triu. Nhng nt AXE c trin khai trong nhng mng di ng hn 125 nc.

2000

Hn 20 triu thu bao di ng.

I.2.2. Hng pht trin ca AXE trong tng lai: AXE ang tin trin v mt h thng m, n bao gm : Module ng dng ti s pht trin phn mm. Mt chng trnh pht trin phn cng tip tc qu trnh gim bt du vt v m bo tnh tng thch in t (EMC) . S pht trin B x l bao gm nhng b x l vng ln v mt RP rt nh, v nhng CP c cu hnh mnh hn. S bo tr v iu khin ca AXE qua mt chun h thng ra-vo, l mt UNIX, b x l ph tr c s c chng trnh ha bn trong C ++, Windows/NT v Java. Cung nh cung cp nn tng ra-vo, AP s c s dng cho nhng ng dng khc,nh s tnh cc. Mt chuyn mch nhm c pht trin trong mt nn tng chuyn mch a kt cu c kh nng iu khin tt c cc kiu nh dng t bng hp n bng rng. ng thi, chuyn mch nhm c pht trin trong mt vng.

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TNG I AXE10

CHNG 2: TNG QUAN V TNG I AXEAXE (Automatic Cross-Connection Equipment) l mt dng sn phm tng i ca hng Ericsson (Thu in). Ericsson cng l nh cung cp thit b cho mng li ca Tng cng ty Bu chnh Vin thng Vit Nam (VNPT), Cng ty Vin thng Quc t (VTI), Cng ty Vin thng Lin tnh (VTN), mng di ng MobiFone, Vinaphone, CallLink, Cng ty C phn dch v Bu chnh Vin thng Si Gn (SPT), B cng An, v mng lin lc a phng tin ca Chnh ph Vit Nam... Cc th h u tin ca AXE ra i t nhng nm 70. Mt c im ca AXE l cc th h ca n tuy khc nhau v c tnh bn ngoi nhng rt ging nhau v cu trc bn trong. iu ny dn n cu trc bn trong ca AXE hon ton khng ph thuc vo cng ngh c s dng. Do vy AXE c xem nh l Chu c tng lai. Cc mng truyn thng ngy nay khng nhng c h tr v thoi m cn h tr v d liu, Internet v cc thng tin a phng tin khc. Cc thu bao ang i hi cc dch v mi, gia tng tnh linh ng v bng thng cao hn trong qu trnh truy cp mng. Nhng ngi vn hnh c lin kt li vi nhau hnh thnh nn cng ty ton cu trong vic cung cp cc dch v cho khch hnh trn phm vi th gii. Cng ngh pht trin ra i cc h thng mng truyn thng ngy cng tin tin v c nh ln di ng cng vi cc ng dng ca n, qua nng cao cht lng cung cp dch v cho ngi dng. Bn cnh cc mng ng dng truyn thng nh mng chuyn mch cng cng (PSTN), mng thng tin di ng mt t (PLMN), mng s tch hp a dch v (ISDN) th s ra i ca mng thng minh cung cp nhiu tnh linh ng hn trong cc loi truyn thng. Mng thng minh c kh nng to ra v cung cp cc dch v h tr mt cch thun tin v nhanh chng c mng c nh v di ng. Vi cc u cui ng dy v cc ng dy truyn thng cung cp nn tng 12/15/20115


TNG I AXE10

cho cc thng tin giao dch. c trng ca mng truyn thng kinh doanh s dng cho cc cng ty l Centex (Central Exchange) v mng ring o (VPN). VPN l mng c m t nh ng hm ring, c m ha qua mng Intenet ti thoi v d liu gia cc im khc nhau cua mt cng ty. Tng i AXE c kh nng h tr y cc dch v truyn thng cho ngi vn hnh mng ln v nh c trong mng c nh ln di ng. Kin trc tng i AXE l kin trc m, n s gia tng chun cng nghip v phn cng v phn mm. AXE m ra tr gip tt c cc loi thng tin vin thng v truyn d liu bao gm internet. AXE gia tng kh nng x l, kh nng lu tr, kh nng chuyn mch cao hn v ci thin cht lng dch v. N c th c nh kch thc v m rng cung cp hiu qu kinh t h tr cho tt c cc kch thc ca cc mng ng dng. Ngy nay, AXE c trin khai hu ht cc node mng truyn thng trn th gii v c th thc thi cc h thng sau: Chuyn mch cc b, quc gia, quc t. Cc node mng in thoi di ng. Cc node mng thng minh. Cc in truyn bo hiu (STP). Cc mng ring o quc t.

AXE l mt kin trc cho s hi t cc dch v ca vin thng , thng tin k thut ( truyn d liu v internet) v dch v gii tr nh intetnet, truyn hnh cp v truyn thng video. Cc c trng chnh ca tng i bao gm: Cu trc module: gip d dng thay i hoc m rng h thng

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TNG I AXE10

Cc yu cu giao tip gia cc ngi vn hnh mng: cung cp cc gii php thc thi mng v h tr cc h thng vn hnh, bo tr v bo dng cc trang thit b gip nng cao cht lng dch v AXE nh l mt node ca mng vin thng.

II.1. c im h thng AXE:II.1.1.1 a chc nng (Multifunctionality): Tnh a chc nng ngha l cng mt h thng AXE c th dng cho tt c cc ng dng, t cc nt ni ht nh cho n cc trung tm chuyn mch quc t ln. Thng tin , thng mi, ISDN, di ng thng minh u c h tr cc khu vc nng thn, thnh ph, ngoi .... II.1.1 .2 M-un chc nng (Function modularity) : Cc phn khc nhau ca AXE c nh ngha theo chc nng m chng thc hin, ngha l cc chc nng ny c th c thm, xa hoc nng cp m khng nh hng n cc phn khc ca h thng. II.1.1.3 M-un ng dng (Application Modularity): Tnh m-un ng dng lm cho vic kt ni cc ng dng khc nhau trong cng mt nt mng c d dng. AXE da trn khi nim m-un ng dng AM (Application Modularity) ca Ericsson. AM cho php dng li cc phn mm hin c , trong khi vn cho php thay i chc nng d dng gia cc dng sn phm AXE khc nhau. II.1.1.4 M-un phn mm (Software modularity): Cc m-un phn mm c lp trnh c lp, cc m-un khc nhau tc ng qua cc giao din phn mm chun. Cc li c c lp trong mo-un phn mm s khng nh hng n d liu ca cc m-un khc, m bo tnh bo mt phn mm cao. 12/15/20117


TNG I AXE10

II.1.1.5 M-un k thut (Technological modularity): AXE l mt h thng m, cho php cc chc nng v k thut mi c thm vo nu cn thit. K thut mi ny c a vo mt phn m khng nh hng n cc phn khc ca AXE. II.1.1.6 M-un phn cng (Hardware modularity) : M-un phn cng ni h thng cha AXE hay l cu trc BYB. H thng cha bao gm phn cng, c thit k thnh cc n v m-un vi tnh linh hot cao trong ci t, m rng hoc sp xp li. Cc h thng cha hin c l BYB 202 v BYB 501.

II.2. Kin trc h thng AXE:Kin trc h thng AXE c th c xem gm nhiu mc khc nhau.

II.2.1. Mc h thng 1( System Level 1) : l mc h thng cao nht, mc ny s nh ngha cc nt v cu hnh mng .

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TNG I AXE10

II.2.2. Mc h thng 2 ( System Level 2): da trn vic s dng cu trc h thng con (subsystem) c kt ni n lp APT v APZ trong h thng khng da trn m-un ng dng (non-AM based system) v cc m-un ng dng AM, nn m-un ti nguyn ng dng (non-AM based system) v cc mun ng dng AM, nn m-un v cc ng dng AM, nn m-un ti nguyn RMP(Resource Module Platfrom), h thng ti nguyn c XSS ( EXITING Soure SYSTEM), APZ trong h thng dc trn m-un ng dng (AM based syatem). II.2.3. Mc h thng con (Subsystem Level): c chia thnh nhiu h thng con h tr cc mc ng dng v h thng con n, v d cc chc nng iu khin lu lng c thit lp trong h thng con iu khin lu lng TSC. II.2.4. Mc tp hp cc phn (set of parts Level): bao gm cc chc nng khc nhau ca mt h thng con c nhm vi nhau thnh lp gi l tp hp cc phn( Set of Part). II.2.5. Mc khi ch nng (Funtion Block Level):cc chc nng trong mt h thng con c tip tc chia nh thnh cc khi chc nng ring bit. Mi khi chc nng to thnh cc thc th c nh ngha bao gm d liu v mt giao tip tn hiu chun. Cc khi chc nng l cc l cc khi xy dng c bn ca AXE v mi khi hon ton c nh ngha bi cc giao din phn mm v phn cng n cc khi chc nng khc.H nh:Cu trc phn cp ca h thng AXE.

II.5.6. Mc n v chc nng (Function Unit Level): Mi chc nng c cu to bi nhiu n v chc nng v c th gm c : Mt n v phn cng Mt n v phn mm, thc hin cc hot ng nh qut cc

thit b phn cng v x l giao thc. Mt n v phn mm trung tm hoc mt n v phn mm h tr, 12/15/20119


TNG I AXE10

c nhim v thc hin cc chc nng phn tch phc tp, nh thit lp cuc gi trong h thng. H THNG KHNG DA TRN MODULE (M-UN) NG DNG: Bi bo co ch cp n tng i AXE c h thng khng da trn m-un ng dng. Trong , h thng AXE c cu trc phn lp, c chia lm nhiu mc h thng. Tng 1 chnh l h thng AXE. tng 2, AXE c chia lm 2 phn: APT v APZ.

APT: l phn chuyn mch thoi chu trch nhim iu khin lu thoi,

c lin kt vi vn hnh bo dng, tnh cc

APZ: l h thng iu khin, chu trch nhim v chc nng hot ng ca

h thng. APZ l h thng my tnh chy cc chng trnh phn mm iu khin hot ng ca phn chuyn mch. APT v APZ li c chia thnh nhiu h thng con, mi h thng con c mt chc nng ring bit. Tn ca h thng con phn nh chc nng ca n, v d h thng con chuyn mch nhm GSS l phn chuyn mch trung tm ca h thng AXE c thc hin bng phn cng v phn mm.

II.3. Cu trc tng th AXE10:II.3.1. Cu trc phn lp:

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TNG I AXE10

AXE

H thng mc 1

APZ

APT

H thng mc 2

FMS --- --- MCS

CPS

SUS

TSS --- ---OMS

H thng con

OT --- --- BT

CS

Khi chc nng

BTU

BTR

HW

n v chc nng

Hnh: cu trc phn lp ca tng i AXE APT: Telephony part of AXE: APZ: Control part of AXE: BT : Bothway Trunk: BTR: Regional software of block BT: BTU: Central software of block BT: CPS: Central processor subsystem: CS : Code sender: FMS: File management subsystem: HW: Hardware: MCS: Man - machine communication subsystem: OMS: Operation and maintenance subsystem: OT : Outgoing trunk: SUS: Subcriber services subsystem:

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TNG I AXE10

TSS: Trunk and signalling subsystem: II.3.2. Mc h thng Ti mc cao nht ca h thng l tng i AXE, tng i AXE c chia thnh hai phn l APZ v APT thuc mc h thng 2. H iu khin APZ chu trch nhim v cc chc nng hot ng ca h thng. L h thng my tnh iu khin tng i. H chuyn mch thoi APT l phn chuyn mch thoi chu trch nhim iu khin lu thoi, c lin kt vi vn hnh, bo dng, tnh cc Ni mt cch chnh xc nht, APT chnh l chng trnh ci trong my tnh (APZ). Sau y l s m t hai phn APT v APZ trong tng i AXE

Thit b chuyn mch

APT My tnh APZ

Hnh: M t APT v APZ trong tng i

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TNG I AXE10

II.3.3. Mc phn h: APT v APZ c chia thnh cc phn h. Cc phn h ny h tr cho cc ng dng thoi v iu khin. Bng s kt hp gia cc phn h, AXE c th hot ng trong bt k mi trng vin thng no. II.3.4. Mc khi chc nng Mi phn h c chia thnh nhiu khi chc nng thch hp.Mi khi l mt i tng c khai bo vi d liu v h thng tn hiu chun ca n. II.3.5. Mc n v chc nng: Mi khi chc nng c chia thnh cc n v chc nng bao gm: n v phn cng. n v phn mm x l vng: Thc hin cc cng vic nh qut tnh trng cc thit b trong phn cng. n v phn mm trung tm v h tr. Chu trch nhim phn tch tng hp cc chc nng c yu cu nh: Thit lp cc cuc gi trong h thng II.3.6. Cu trc phn mm: n v phn mm ca AXE c chia thnh hai loi: n v phn mm vng iu khin trc tip phn cng lin quan, x l cc cng vic theo chc nng c th theo cc chu trnh hoc theo tn hiu iu khin ca b x l trung tm. Phn mm vng bao gm: Vng chng trnh cha cc m lnh thc hin cng vic theo chc nng. Vng d liu cha cc d liu ca thu bao m chng trnh s dng.

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TNG I AXE10

n v phn mm trung tm gi chc nng phc tp hn hoc gi chc nng qun l. y l phn mm c iu khin trc tip bi b x l trung tm. Chng trnh chnh cha cc lnh cho thi hnh nhng nhim v,v d tng b m thng k hoc np phn mm iu khin n cc khi chc nng khc. Vng d liu cha nhng d liu ca tng i v d liu

thu bao. y l tn hiu chun ha c iu khin bi b x l trung tm qua ba b nh logic.

B lu gi chng trnh PS (Program Store) i din cho vng

chng trnh ca khi chc nng.

B lu gi d liu DS (Data Store) i din cho vng d liu ca

khi chc nng.

B cha tham kho RS (Reference store) c nhim v dn dt PS

- DS thng tin vi nhau.

Hardware

LIC

LIC: Line Interface Circuit

Regional Software Central Software

Program Data

LIR

LIR: Regional Software for LI2

Program Data

LIU

LIU:Central Software for LI2

Hnh: H thng phn mm trong tng i AXE10

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TNG I AXE10

Phn mm cho i AXE trc y c nng cp sa i. Phn mm AXE10 hin ti b sung phn mm cho Engine Access Ramp, phn mm cho ISDN (2B+D), phn mm cho V5.2 kt ni vi thit b ca hng FTC v ca hng UT Starcom. II.3.6. Cu trc phn cng: Hin ti i ca SPT s dng cc thit b sau hot ng: Phn h thng AXE10 v phn Engine Access Ramp qun l thu bao. Phn h thng AXE - 10: Thit b c thit k theo dng khi.

Khi chc nng th c thit k theo tng magazine v trong mi magazine th c thit k theo tng board chc nng. Mi magazine mi dy trong mt t (Cabinet) v lin kt vi nhau bng cp ni. Mi thnh phn ca phn cng c xem nh l mt khi (module). Nhng thnh phn ny c th c thm vo, sa i hoc loi b mt cch linh ng khi cn thit m khng lm gin on s hot ng ca tng i. Hin nay tng i c cu trc nh gn, cc cp ni c th chy di sn nh. Phn c bn ca phn cng l APT, trn thc t APT khng hn phi l phn cng m bn thn tng khi cng c phn mm ring giao tip tp trung v b x l trung tm CPU thuc APZ: Phn mm trung tm c lu gi trong CP Phn mm vng c lu gi trong RP Phn mm h tr c gi trong SP

Ton b phn cng c trang b theo cp m bo an ton cho h thng khi c s c xy ra.

Phn Engine Access Ramp: nng cao tc v m rng

mng c hai kiu truy nhp nh ni chng II u s dng loi 12/15/201115


TNG I AXE10

EAR Outdoor Cabinet Midi v Outdoor Cabinet Maxi. EAR Outdoor c thit k l mt node truy nhp c trang b y , trang b k thut RSS t vn hnh, sn sng cho vic ci t v vn hnh nhng ni rt xa, chu c thay i ca thi tit khc nghit. c thit k theo kiu s dng khng gian hiu qu EAR Outdoor cho php cc dch v bng rng v bng hp, t Outdoor Midi phc v ln ti 360 thu bao PSTN, t Outdoor Maxi phc v ti 900 thu bao PSTN/ 450 thu bao ISDN. II.3.7. Khi iu khin APZ: Khi iu khin ca APZ 212 30 chia thnh cc phn nh sau: CP: Central processor : B x l trung tm. RP: Regional processor: B x l vng. DP: Device processor : B x l thit b. II.3.7.1. CP-B x trung tm: Thc thi chng trnh v qun l d liu. CP x l cc cng vic theo mc nh vic s dng cc b m cng vic, bng cng vic. Thay i chc nng,y l cng vic quan trng trong vn hnh v bo dng mng li,m bo vic thay th,ci t thm hay loi b cc n v phn mm trong AXE Lu tr d liu h thng: Kt xut (Dumping): sao chp ton b ni dung ca b nh CP ra thit b nh ngoi Ti li (Reload) khi li xy ra trong CP th thc hin vic sao chp ton b ni dung b nh ngoi vo b nh ca CP. Qun l vic np v thay i kch thc. y l cng vic quan trng, m nhn vic sao chp, trao i thng tin gia cc b nh trong CP v thit

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b nh ngoi. Ngoi ra chc nng ny cung cp cho nhu cu m rng hay gim cc d liu trong b nh CP. Chc nng kim tra,gim st vic s dng v sp xp b nh chnh ca CP. C ba b nh:

B nh chng trnh PS (Program Store). B nh d liu DS (Data Store). B nh tham chiu RS (Reference Store).

Hiu chnh chng trnh. CP cha nhng chc nng hiu chnh phn mm nu xut hin li trong phn mm. Bo dng thng k: thc hin vic tp hp cc thng tin v trng thi hot ng ca CP v cc s kin xy ra trong APZ s dng cho vic vn hnh, bo dng. ng ni n cc tng i khc THIT B CHUYN MCH

Cc thu bao in thoi

RP

RP

RP

RP

RP

RP

CP

B NH

Hnh: H thng iu khin Cu trc ca b x l trung tm CP: m bo an ton v tin cy cho tng i, CP lun lun c hai CP l CPA v CPB hot ng theo kiu mt ci lm vic, mt ci d phng. Thng CPA trng thi lm vi, khi CPA c s c lp tc CPB lm vic

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TNG I AXE10

To/from RP

To/from RP

RPH SPU IPU UMB-S UMB-I MAU PS DS CPB

RPH SPU IPU

DS CPA

RS

RS

PS

Hnh: S khi ca APZ 212

APZ c th thc hin vic x l thng tin, lnh song song. Trong CP gm c cc phn chnh sau: SPU (Signal Processor Unit) l n v x l tn hiu, thc hin cng vic qun l APZ 212, ng thi chun b cho cng vic s thc hin IPU.

IPU (Instruction Processor Unit) l n v x l lnh, SPU bo cho IPU bit a ch bt u thc hin cc chng trnh. IPU c ng thm nhp ti ba khi nh l b lu tr d liu DS (Data Store), b lu tr chng trnh PS (Program Store) v b lu tr tham chiu RS (Reference Store).

RPH (Regional Processor Handler): b iu khin x l vng: iu khin bo hiu ti t cc b x l vng mt cch dc lp. RPH c th iu khin cng lc 128 b x l vng v c th u cc i 4 RPH. RPH cha mt b vi x l mnh 16 bit v c b nh ring.

MAU (Maintenance Unit): khi bo dng: Khi u qu trnh kim tra cc b x l pht hin s c phn cng. MAU cng s quyt nh pha no l pha thng trc. N c ni ti tt c hai mt thng qua bus bo dng t ng AMB (Automatic Maintenance Bus).

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TNG I AXE10

Trong MAU lu tr phn mm MAS hot ng cng vi n v bo dng AMU FMS (File Management Subsystem) phn h qun l tp tin. Mt trong nhng chc nng ca CP c cp n l sao lu h thng. V mc ch bo m an ton, tt c d liu trong b lu tr chng trnh PS, b lu tr tham chiu RS v b lu tr d liu DS c sao lu thng xuyn vo cc thit b bean ngoi (nh a cng, bng t, a quang, ) hoc a n mt vng nh c kch hot. Vic sao lu trong AXE c gi l Dumping (sao chp ni dung ca b nh x l khi cn). C th thc hin dumping nhn cng khi can hoc thc hin t ng theo nh k.

Dump nhn cng (Manual Dump): c thc hin bng lnh, cng vic ny bt buc thc hin khi b lu tr chng trnh (PS) b thay i. Dump nhn cng l mt nhim v thng xuyn ca ngi vn hnh tng i.

Dump t ng (Automatic Dump): Dump nh k sau mt khong thi gian xc nh sn mt cch t ng, c hai loi Dump t ng: Dump ln thc hin dump tt c d liu trong b lu tr d liu (DS), Dump nh thc hin dump tt c nhng thng tin thay i.

II.3.7.2. RP-B x l vng: Cc chc nng ca RP: RP lu tr v thc thi cc phn mm vng lin quan n h thng chuyn mch APT v h thng iu khin APZ. Trc tip iu khin s hot ng ca thit b thoi v mng chuyn mch, pht hin s thay i trng thi ca cc thit b v thng bo ti CP, giao tip h thng vo ra cc CP. Cu trc ca RP: Cc b x l vng RP c ni ti CP thng qua bus x l vng RPB (RP Bus). Tng t CP, RP cng c d phng m bo an ton. Tuy nhin, khc vi CP, RP lm vic theo nguyn tc chia ti: thng thng mi RP iu khin mt na s thit b, khi mt trong hai RP c s c, RP kia s m nhn ton b trch nhim.

12/15/201119


TNG I AXE10

Cc thit b do RP iu khin nm trong mt nhm gi l module

m rng EM (Extension Module). Mi mt cp RP thng thng qun l c 16 EM c nh s t 0 n 15 Trong mi EM thng ch cha mt loi thit b. Tuy nhin c mt s trng hp ngoi l S lng thit b cha trong mi EM c quyt nh bi ba yu t: Kch thc vt l ca thit b. tin cy ca h thng. Thi gian x l: Mi mt RP thc hin vic iu khin cc

EM trn c s phn chia thi gian. Nu thit b trong mt EM i hi kh nng x l ca RP nhiu th s lng thit b ny trong EM s gim xung. Do hn ch b nh nn mi RP ch qun l ti a 7 loi thit b khc nhau. Phn cng ca RP c xy dng xung quanh cc mch gi l: Gate

PRO

MEU POW

RPBU RPB-A

RPBU RPB-B

Hnh : S khi b x l vng Array.Mi mch ny cha ng nhiu cng.Cc cng ny kt hp vi cc thanh ghi v cc mch logic to thnh nhiu mch chc nng khc nhau. RP c xy dng t nm bng mch trnh by nh hnh v sau:

12/15/201120


TNG I AXE10

PRO (Processor): C chc nng kch hot x l.C ba mch

Gate - Array nm trn bng mch.Cc mch chc nng c gi l ALU, AHC v DHC. B vi x l l cc thanh ghi nm trn bng mch.

MEU (Memory Unit): B nh ca RP. N l b nh RAM vi

dung lng 256 KB. N c b nh EPROM dng cho khi ng chng trnh. Ti yc cc mch chc nng BIC dng cho trao i thng tin vi EM bus cng nh RP bus.BIC lm vic c lp nhng n lin quan n nhiu khi chc nng qua bus thng tin.

RPBU (Regional Processor Bus Unit): n v bus x l vng.

C hai bng mch loi ny. Mt kt ni t RPB A, mt t RPB B.

POW (Power): Bng mch ny c chc nng bin i in p t

- 48V sang +5V/20W cung cp cho RP. Gia cc b x l CP v RP lin lc vi nhau thng qua bus gi l RPB (RPBus). Ngoi ra phn APZ cn c b x l h tr SP (Support Processor) thc hin cc cng vic thuc v thng tin ngi - my, qun l tp tin v truyn s liu. II.3.8. Khi chuyn mch: Tng i c cu trc dng khi d dng qun l v d dng m rng mt khi cn thay i, m rng dung lng. Tng i AXE 10 c lp t SPTL Dun- l tng i ni ht c kh nng m trch nhim v tng i qu giang ng di, qu giang ni ht. Cc tng i trung tm c kt ni vng ring v c qun l bng phn mm chuyn dng.

12/15/201121


TNG I AXE10

Hnh: Network view trm SPT-L Dun Nh trnh by trn, AXE c chia lm hai phn: phn APT (chuyn mch thoi chu trch nhim iu khin lu thoi) v phn APZ (iu khin chu trch nhim v cc chc nng hot ng h thng). C hai phn c chia thnh mt s nhng phn h h tr cho cc ng dng thoi v h thng iu khin. Bng s kt hp gia cc phn h, AXE c th hot ng trong bt k mi trng vin thng no. Mi h thng con (Subsystem) c chia ra nhiu khi chc nng (Function Block). Mi khi chc nng l mt i tng c khai bo vi d liu v h thng tn hiu chun ca n. Trong cu trc khi chc nng c th bao gm phn cng, phn mm vng (RS_Region Software) v phn mm x l trung tm (RP_Region Processor). Cc phn mm vng, trung tm, phn mm h tr (SS_Support Software) c lu tr trong b x l vng 12/15/201122


TNG I AXE10

(RP_Region Processor), b x l trung tm (CP_Central Processor) v b x l h tr ring tng ng (SP_Support Processor). KHI CHUYN MCH NHM GSS: Chc nng ca khi chuyn mch nhm: GSS thc hin chc nng chuyn mch chuyn mch thoi v d liu gia cc h thng PCM bng l trnh thit lp thoi xuyn qua b chuyn mch T - S - T (Time - Space - Time). Cu trc ca GSS: GSS c thit k v xy dng t nhng khi TSM (Time Switch Module) v SPM (Space Switch Module). Cc TSM v SPM c cu to cp nhm nng cao s tin cy v an ton i vi h thng. Chuyn mch nhm c th c 128 TSM, n hot ng theo kiu song song ng b. tt c cuc gi c chuyn n ng thi c hai mt ca h chuyn mch. C 8 EM c iu khin bi mt cp x l vng RP. SPM l mt ma trn trung gian c nhng tp giao im c th i qua kt ni 2 TSM vi nhau trn mt ng thng ca cuc gi. u cui mng chuyn mch SNT (Switching Network Terminal) l tn gi ch tt c cc thit b c th kt ni n chuyn mch nhm. Chng hn nh: Mch u cui tng i ETC (Exchange Terminal Circuit), thit b gi hi ngh CCD (Conference Call Device), thit b m ho xung PCD (Pulse Code Modulation Device),

12/15/201123


TNG I AXE10

ETC TSM 0 TSM 1 TSM Chuyn mch thi gian da trn nguyn31 l ghp v tch knh theo thia. Chuyn mch thi gian TSM: gian, trn c s iu xung m PCM. Mt ng ni PCM c th cha c nhiu knh thoi khc nhau phn theo thi gian. Khoang thi gian m mi knh chim trong mt chu k c gi l khe thi gian. Mi khe thi gian cha thng tin ca 1 mu thoi.

SPM

CLM

CLM

CLM2

Xung ng n TSM &

C ti a 32 TSM c ni n mi SPM. Mi TSM c kh nng ni ti 16 ng PCM, cho nn mi TSM c 16 * 32 = 512 u vo chuyn mch SNTP. TSM gm c:

RCM

Hnh: S khi chuyn mch

B nh m (Speech Store) lu tm thi cc mu thoi ghi vo. Mi knh chuyn mch thi gian c mt v tr ca n b nh m. B nh iu khin (Contral Store) iu khin vic ghi vo,c ra t b nh m, c th thay i th t t cc mu thoi trong chuyn mch thi gian.

12/15/201124


TNG I AXE10

Khi mt TSM c 512 ng vo v 512 ng ra x l cc mu thi gian trn c hai hng lu thoi. Chng ta cn c hai b nh m, mt cho cc mu tin u TSM

A/D B chuyn i tng t sang sTn hiu s Tn hiu tng tA D 1 2 3 4 1 2 3 41 2

3 4

B nh iu khin

Hnh: Chuyn mch thi gian. (SS - A - Speech Store A) v mt cho cc mu tin i khi TSM (SS B - Speech Store - B) tng ng. Mi module chuyn mch thi gian trong GSS p ng vic iu khin cc cng in t trong module chuyn mch khng gian. ng vo v ra ca mi module chuyn mch thi gian c ni li 16 cp ng ni PCM 32 knh, cc ng ni PCM ny c gi l Digital Path b. Chuyn mch khng gian SPM:

12/15/201125


TNG I AXE10

SSA

Thit b

0511

51

SSB

Thit b

0511

Chuyn mch khng gian l chuyn i cc tuyn PCM, chuyn mch khng gian l ma trn cc im ni xuyn (hoc cc cng in t) thc hin vic ni mt khe thi gian sang khe thi gian khc tng ng ca mt tuyn PCM khc th im ni xuyn phi c trng thi vn hnh trong khe thi gian tng ng.

51

SPM

51

Module chuyn mch thi

12/15/201126


TNG I AXE10

SPM TSM-0 TSM-1 Cc mu t TSM TSM-30 CSC in TSM-0 CSC in TSM-31 TSM-0 TSM-1 TSM-30

a ch t CSC Cc mu n TSM

Hnh: Chuyn mch khng gian thit lp cc ni ghp t mt chuyn mch thi gian khc chng ta s dng module chuyn mch khng gian bng cch ghp module chuyn mch khng gian ta c mt chuyn mch khng gian. Dung lng mt TSP trong AXE l 512 u vo, mt SPM c th c ni ti 32 TSM, nh vy 32 TSM c ni n SPM to thnh mt n v chuyn mch: 32 * 51 =16384 ng lu thoi (16k) Dung lng ca chuyn mch nhm quyt nh bi s lng module chuyn mch thi gian v module chuyn mch khng gian phi hp vi nhau.S lng ln nht ca chng l: 16 module chuyn mch khng gian v 128 chuyn mch thi gian. Nh vy s lng ln nht chuyn mch mch nhm l: 128*512 = 65356 ng vo.

12/15/201127


TNG I AXE10

Nguyn l chuyn mch s i hi phi c xung ng b cc tn hiu nh thi m bo s hot ng. Tn s xung ng h quyt nh ghi v c cc mu thoi vo v ra khi b nh nng cao s n nh ca cc module ng h ngi ta c th s dng cc ng h tham chiu a phng, c hai loi: Module ng h tham chiu (RCM) s dng b dao ng thch anh vi chnh xc cao v Khi ng h nguyn t vi chnh xc cao hn nhiu. Mi CLM u c mt b tch thch anh iu khin bng in p (VCXO) v mt b nh thit b DP cha phn mm cho vic iu chnh VCXO thng qua mch iu khin gi l mch ch (Master Slave).

ETC

TSM

TSM

SPM

II.3.9. Khi OM (Operation & Maintenanece)-IOG 20: OM bao gm mt s thit b phn cng, h thng phn mm vng v phn mm trung tm.y l phn h trung tm nn n tng tc vi tt c cc phn h khc. OM c bn chc nng chnh sau:

TSM

CLM-0

CLM-1

CLM-2

Chc nng gim st: m nhn nhim v gim st lin tc h

Hnh: Module ng h ng b cho chuy12/15/201128

thng pht hin v sa li trc khi chng nh hng ti lung thng


TNG I AXE10

tin.Hai chc nng chnh ca gim st l gim st trung k v gim st ng day thu bao. Chc nng kim tra v nh v li: OM cha cc chc nng chn

on v kim tra, kt hp vi cc cnh bo v nh v li. C li bean trong ln bn ngoi. Chc nng phn phi: p ng cho ngun vn hnh, c th thay

i d liu tng i nh kt ni thm hay hu b mt thu bao. Chc nng thng k: OM cha cc chc nng m nhn vic o

lng v in ra cc d liu nh kiu v ln lung thng tin. Chc nng ny rt cn thit cho vic xy dng v thit lp cu hnh cho tng i v mng li. Ton b cng vic vn hnh v bo dng tng i c thc hin thng qua cc u cui thng minh trong cc h thng vo/ra (IOG: Input/Output Group). c th thm nhp vo h thng,AXE c trang b mt tp lnh to thnh ngn ng ca AXE. V s lng lnh rt ln, cu trc phc tp nn i hi ngi khai thc phi hiu k cu trc h thng.

Cc thit b bn ngoi c th kt ni vi AXE thng qua h thng

vo ra IO. H thng IO hot ng da trn c s b x l h tr SP Support Processor. Hin nay c nhiu phin bn ca h thng IO k t IOG 11 A, IOG 11 C, IOG 11 B5, IOG 11 C5, IOMC, IOG 20 B - P, IOG 20 B cho n IOG 20 C.

Tng i AXE 10 ti SPT hin nay ang s dng IOG 20C. Tt c cc thit b vo ra u c t trong gi BYB 501, mi

gi cha mt gi con SPVCM. IOG 20 C giao tip vi bus RP ni tip v c dung lng ln nht l: - 24 u cui hoc 24 ng d liu n hoc 12 ng d liu kp hoc mt a cng cho mt node. 12/15/201129


TNG I AXE10

Mt a quang 3 inch. 32 kt ni cnh bo ngoi. 4 giao din bng cnh bo. 1 giao din cnh bo SCAN. a cng HD: IOG 20 C ch c mt a cng mi node, dung lng

l 2 hoc 4 Gb, a cng lu gi nhiu loi thng tin khc nhau: phn mm sao lu trong chuyn mch AXE, d liu trao i gia CP v SP, d liu tnh cc v thng k. B x l trung tm c th ti d liu t hai ngun: b nh th cp hoc t a cng. a cng kt ni vi SP nh bus SCSI - 2. a quang OD: L n v nh tp trung c th c, ghi v ghi li

c.OD ch yu c dng cho vic sao lu CP v SP, d liu thng k v tnh cc. C hai loi a 5 inch (dung lng lu gi l 2x325MB hoc 2x650MB) v 3 inch (dung lng 1x640MB). Tuy nhin IOG 20 C ch dng loi OD 3 inch, a quang kt ni n SP qua giao tip VSA thng qua bus SCSI - 2 v VME. IOG 20 C gm c mt subrack SPVCM, trong c nhiu board. Board ngun: Cung cp ngun cho tt c cc board mch trong

subrack bng mt sau vi ngun vo l 48V,ngun ra l +5 v +/ - 12 V. Board CPU60: Vi b vi x l M68060, b nh s cp trn board

l 32MB. CPU60 giao tip vi bus Ethernet bng mt trc, giao tip vi bus SCSI - 2, bus VME v ngun bng mt sau. CPU60 c hai cng RS232 mt trc ni vi u cui vo ra, cng ny giao tip tc 4800baud.

12/15/201130


TNG I AXE10

RPV2

LUM

LUM

ALCPU

ALEXP

Power

HD driver OD driver (3 )kb/s 2Mb/s -

VSA

LUM

LUM

LUM: Line Unit Module, board ny cha b vi x l Motorola M68060, giao tip vi ngun v bus VME mt sau. LUM giao tip vi 4 board con, mi board con iu khin mt cng vt l ti u cui hay ng truyn d liu. Board con giao din V.24/V.35/V.36/X21.

A-node

Bnode

CPU60

Hnh : SPVCM Subrack

Board con giao din G.703 E0 cung cp giao tip vi tc 64

Board con giao din G.703 E1 cung cp giao tip vi tc

Board con giao din T - Ethernet. Mi LUM gm c 4 boardcon V.24/V.28/V.35/V.36/X.21 G.703 E0 (64kb/s) G.703 E1 (2Mb/s) T-Ethernet (khng gii thiu)

n kt ni d liu ngoi Hnh: Board LUM v cc board con 12/15/201131


TNG I AXE10

quang.

VSA: VME to SCSI - 2 Adapter l board chuyn i bus

VME thnh bus SCSI - 2 ring bit dng giao tip vi a

RPV2: Board ny giao tip vi bus RP ni tip mt trc

v giao tip vi b ngun vi bus VME mt sau. ALCPU: Alarm Central Processor Unit l board giao din cnh

bo, n c hai cng V.24 giao tip vi LUM v qut gi, kt ni vi ngun v bus VME mt sau.

ALCPU External alarm sensor to EXRANG20.Devices EXAL2 0 31

ALEX

. . . . . . . .

SCAN interface categories 0-15.US version categories 0-11

Giao din cnh bo gm c hai board: ALCPU v ALEXP (Alarm l board nALCPUchc nngCPU) khin nh:x l trong h thng cnh bo, c cc iu

V.24 port to LUM port, 2400 baud12/15/2011

V.24 port to LUM port, 2400 baud

32


TNG I AXE10

-

Truyn cnh bo ra h thng bn ngoi. Nhn cnh bo ngoi t tng i qua vng kt ni cnh bo EXRANG 20.

-

Giao tip V.24 (2400 baud) vi host (SP hoc RP/EMRP). Giao tip V.24 (2400 baud) vi qut. Kt ni vi board ALEXP mt sau v iu khin mn hnh cnh bo.

Alarm Categories First alarm panelAPZ A1 A2 APT POW EXT O1 O2 ATT OBS A1

2:nd alarmAXE

A

A2 ALEXP (Alarm Expansion) l board m rng trong h thng cnh bo ca IOG20, c iu khin bi ALCPU qua mt sau. Board ny c mt giao din t 1 n 4 bng cnh bo (ALD 1 n ALD 4).

0

1 2

3

4 Display Categories

12/15/2011

Hnh: bng 33 cn n


TNG I AXE10

CHNG 3: KHAI THC V BO TR H THNG CHUYN MCH H AXEChng ny s ni khi qut v cc cng vic lin quan n khai thc v bo tr h thng chuyn mch mang h AXE ca hng Ericsson cng vi trit l Ericsson.

III.1. Khai thc bo tr cc chuyn mch AXE :Cc mng li vin thng hin i ngy mt phc tp hn, cng c phc v cho khai thc, bo tr v iu hnh mng mt cch hiu qu lun l mi quan tm ca cc nh khai thc mng li. Trong khai thc v bo tr tp trung, trung tm mng li c kt ni vi cc nt mng bng cc knh truyn d liu trung tm mng iu khin phn mm cc nt thc hin cc chc nng khai thc v bo tr. Cc sn phm ca Ericsson dng cho iu khin tp trung cc mng vin thng c tn gi l Tr gip iu hnh Khai thc Vin thng (TMOS Telecommunications Management Operations Supports) c m t trn hnh di y :

12/15/201134


TNG I AXE10

Hnh: Tr gip iu hnh khai thc vin thng Tng h thng chuyn mch trong h AXE bao gm c mng c nh v di ng c th c gim st v tng thch vi mang nhm tho mn cc yu cu thay i, nh v v sa li xy ra mt cch hiu qu. Trit l bo tr Ericsson : trong mi trng vin thng hin i th c nhiu phng thc bo tr, y c hai phng php bo tr c bn l : Bo tr phng nga s c Bo tr khc phc s c H thng "Bo tr phng nga s c" bao gm cc cng vic thc hin thng xuyn nhm kim tra bt c biu hin no c v l ngun gc sinh ra s c loi tr n trc khi gy ra s c. Phng php ny yu cu bo tr mc cao mnh loi tr trc khi s c c th xy ra duy tr cht lng dch v. Din t phng php ny m t trn hnh di y :

12/15/201135


TNG I AXE10

Hnh: Bo tr phng nga v khc phc s c H thng "Bo tr khc phc s c" da trn c s x l khc phc s c khi chng xy ra, kiu bo tr ny ch yu cu bo tr mc thp nhng dn n cht lng gim st khi xy ra s c. Cc i chuyn mch AXE trc y ca Ericsson bo tr theo phng php Khc phc s c c iu khin (CCM Controlled Corective Maintenace", phng php ny nhm cn bng gia hai phng php " Bo tr phng nga s c" v "Bo tr khc phc s c". Ericsson pht trin CCM nhm gim chi ph bo tr nhm t c cht lng dch v. CCM c m t trn hnh di y :

12/15/201136


TNG I AXE10

Hnh: Phng php khc phc s c c iu khin. CCM cung cp : S gim st lin tc i vi phn cng h thng chuyn mch. T ng xc nh v tr li xy ra v ngn cch chng khi mng li To ra cnh bo bo dng v in ra cc cnh bo nu chng nm trong gii hn. III.1.1. Cc cng vic bo tr: Cc cng vic bo tr ti thiu phi d bo, pht hin v xc nh v tr li v x l li xy ra. Cc li mng li c pht hin t ng trong qu trnh gim st v trao i thng tin vi h thng chuyn mch v cnh bo c a ra ch th cc li v s c h thng. Thu bao cng c th thng bo s c v ngay lp tc li c pht hin v cc hnh ng x l c thc hin. Di y l mt s v d cng vic bo tr c p dng trong mng li vin thng: Pht hin li, o kim tra v sa cha li ng dy thu bao. Pht hin li, o kim tra v sa cha li cc ng trung k. Sa cha li cc trm ch mng thng tin di ng. Kim tra can nhiu trong h thng chuyn mch nhm v chuyn mch thu bao. Bo tr ngun in v cc h thng phn phi ca chng. Bo tr h thng iu khin APZ bao gm: kim tra cc bn ghi li ca CP v RP. o kim CP v RP. Bo tr cc thit b u cui vo ra (I/O). III.1.2. Cc cng vic khai thc: Khai thc bao gm tt c cc cng vic cn thit nhm lm cho cc nt chuyn mch tng thch cc vi cc nhu cu thay i ca mng li, bao gm:

12/15/201137


TNG I AXE10

Kt ni v ct kt ni cc thu bao bao gm c vic t ch cho cc thu bao di ng.

Thay i d liu cc nt chuyn mch, thit lp cc tuyn lu lng mi, phn tch bng B (bng u s thu bao b gi), cc thay i khc v lu lng Thu thp cc thng tin tinh cc cuc gi v thay i mc tnh cc khi c yu cu. Thu thp cc s liu thng k v mng li v cc s liu o lu lng mng. Tt c cc cng vic khai thc c tin hnh bng cc lnh iu hnh hoc cc yu cu cung cp dch v theo yu cu ca nh khai thc mng li c th n nh mt s cng vic khai thc cho cc h thng chuyn mch khc nhau nh cng quc t, cng quc gia, chuyn tip vng, ni ht,V d mt lnh thc hin cng vic khai thc c th bao gm: 1. S th t ca lnh khai thc. 2. Ni dung cng vic: kt ni hoc ct kt ni cc thu bao i vi ni ht, i vi cng quc t th kt ni hoc ct kt ni cc ng dy trung k ra mng quc t hoc mng quc gia,3. Kt qu thc hin.

III.2. Cc chc nng khai thc, bo tr chuyn mch AXE:Trong h chuyn mch AXE, c 4 chc nng c bn v khai thc v bo tr nh sau: Chc nng gim st. Chc nng kim tra. Chc nng iu hnh qun l. Chc nng o lu lng v thng k. 12/15/201138


TNG I AXE10

III.2.1. Chc nng gim st: Nhm chc nng gim sat bao gm cc chc nng gim st lin tc lu lng trn cc ng trung k v ng dy thu bao. Chc nng gim st c thit k sc nh khi h hng mt cch trc tip hoc gin tip thng qua vic xc nh v tr xy ra li. Khi cc chc nng gim st pht hin ra li xy ra trn khi thit b th lp tc khi c a ra khi dch v v b kha ngay. Khi cc chc nng gim st pht hin li hoc can nhiu trong h thng con iu hnh lu lng th s a ra tn hiu cnh bo (v d tuyn b nghn, cc trung k b chim v khng gii phng c,). Tn hiu cnh bo cng a ra khi o bo tr cn thit phi thc hin. Sau y l cc v d v chc nng gim st: Gim st thit b b kha. Gim st can nhiu trn cc tuyn lu lng. Gim st can nhiu trn cc mch trung k vo nt chuyn mch. Gim st cht lng chim mch v thit b khi thit lp cuc gi. Trong cc h thng con th quan trng hn, v d nh h thng con x l tung tm (CPS Central Processor Subsystem), h thng con x l khu vc (RPS Regional Processor Subsystem), h thng con chuyn mch nhm (GSS Group Switching Subsystem) v cc phn ca h thng con chuyn mch thu bao (SSS Subscriber Switching Subsystem), phn cng c thit k theo c ch i. Nu li xy ra trong bt c khi phn cng i no th khi lp tc b kha li v tn hiu cnh bo c a ra. Khi d phng cn li lp tc c a vo lm vic m khng h lm gin on cc cuc gi ang c thc hin. III.2.1.1. Gim st APZ: H thng con bo tr (MASS Maintenance Subsystem) thc hin vic gim st cc chc nng cu APZ. MASS thc hin cc chc nng bo tr t ng bao gm c vic pht hin li phn mm v phn cng ca APZ, trao i thng tin kim tra vi h thng v a ra tn hiu cnh bo cc cp khc nhau i vi cc cp s c. Mc tiu chnh ca MASS l m bo cho APZ hot ng ngay c khi pht hin mt hoc nhiu li xy ra trong APZ. MASS c thit lp c phn cng v phn mm trong khi bo tr (MAU Maintenance Unit).

12/15/201139


TNG I AXE10

Hnh: Cc vic thc hin khi RP b li. Hnh trn m t mt v d v RP b li c iu khin bng MASS, lc RP c kha t ng, RP cn li s nhn chc nng iu khin cc m-un m rng (EMs Extension Module) v a ra tn hiu cnh bo. Vi: EM (Extension Module): Module m rng. MAS (Maintenance Subsystem): H thng con bo tr. MSC (Man Machine Commnunications Subsystem): H thng con giao tip ngi my. RP (Regional Processor): B x l khu vc. RPB (Regional Processor Bus): Bus x l khu vc. III.2.1.2. Gim st APT: Cc chc nng gim st APT c pht trin bng OMS (Operation and Maintenance Subsystem) III.2.1.2.1 Kim tra v xc nh v tr li: Chc nng kim tra v xc nh v tr li ca OMS bao gm trao i thng tin v chc nng kim tra th hin bng cc tn hiu cnh bo v bo co pht hin li c bn trong v bn ngoi nt chuyn mch. Cc chc nng ny gip pht

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TNG I AXE10

hin, kim tra v thay th cc khi b li. Cc chc nng c th iu khin trong ni b mng hoc do OMS thc hin bng iu khin t xa. C nhiu phng php pht hin, kim tra cc khi b li, c th xem mt s v d di y: Ra lnh iu khin truy cp n thit b cho php ngi khai thc thit lp cuc gi ni thng n thit b v s dng tn hiu kim tra kim tra thit b.

Ra lnh iu khin lm cc cuc gi kim tra nhm kim tra thit b chuyn mch, cc ng trung k, cc ng dy thu bao, cc thit b bo hiu.

Th thc hin cc cuc gi IDSN. Ghi d liu cuc gi bng vic quan trc cc tn hiu ca h thng bo hiu. Thng k cc can nhiu. Gim st tuyn cuc gi nhm kim tra cc phn cng, phn mm tham gia vo thit lp v thc hin cuc gi. Quan trc cc ng trung k v cc ng dy thu bao nhm kim tra cht lng m thoi ca cc ng dy . III.2.1.2.2 Qun l: Cc chc nng qun l to cho nh khai thc kh nng thay i mi trng chuyn mch mt cch lin tc. Cc chc nng qun l vic thay i d liu lu lng nh kt ni v hy kt ni cc ng dy thu bao v cc dch v cng thm, c tnh cc b phn thit b v v tr cc thit b. Di y l mt s v d v cc chc nng qun l c h thng con khai thc v bo tr (OMS) thit lp: Qun l d liu cc thu bao. Qun l d liu tuyn lin lc. Qun l d liu cc b phn thit b. Qun l u cui chuyn mch mng li (SNT- Switching Network terminal). 12/15/201141


TNG I AXE10

Qun l v tr cc thit b. III.2.3. o lu lng v thng k: Cc chc nng o lu lng v thng k c h thng con thng k v o lu lng cung cp (STS Statistic and Traffic Measurerement) v h thng con o xa (RMS Remote Measurerement Subsystem) cung cp. III.2.3.1. H thng con thng k v o lu lng (STS): Vic thu thp thng k lu lng ngu nhin ca thu bao, ca cc tuyn v cc hng l chc nng quan trng phc v vic lp k hoch. Cc chc nng thng k v o lu lng c thit lp trong OMS v STS. AXE cung cp cc chc nng o v a ra my in cc s liu nh: gi tr lu lng v thoi lu lng thng qua chuyn mch. STS c dng t chc li s liu thng k u ra.

Hnh: M hnh h thng con thng k v o lu lng (STS) Cc khi chc nng iu khin lu lng bao gm b m thu thp s liu thng k n lun lun c cp nht theo ti lu ln ca tng i. Cc b m c qut theo chu k bng chc nng o, n x l cc gi tr v tp hp kt qu a ra kt lun. V d v chc nng o lu lng v thng k: 12/15/201142


TNG I AXE10

o lu lng theo tuyn lin lc hoc theo kiu lu lng (lu lng i, n v lu lng qu giang). Ghi cc d liu trn tng cuc gi. o s phn tn lu lng. Quan trc lu lng. Thng k cht lng dch v. o thi gian nghn trn cc tuyn. o c tnh lu lng trn cc tuyn. AXE cho php o thng k vi di rng bao gm c trn in thoi c nh v di ng, bo hiu s 7, cc dch v mng thng minh. III.2.3.2. H thng con o xa (RMS): AXE cung cp cc phng tin o xa cho php thc hin cc php o khc nhau phi thc hin trn cc ng trung k nh cc php o kim trn cc chc nng bo hiu hoc cc b trit ting vng. o xa c th thc hin cc php kim tra hoc o cc h thng PCM hoc cc mch trn c hai mc mch tng t v mch s. Cc php o trn trung k kt ni gia hai tng i c thc hin t b o th c t ti mt trong hai tng i. Tm li chc nng o xa cho php kim tra t xa cc ng trung k. Cc php o c th thc hin tp trung t OMS bi n c kt ni n AXE bng cc knh d liu m cc trung k kt cui. Cc chc nng o t xa ca AXE c thc hin bng RMS vi cc chc nng o lng t xa sau y: o cc ng dy kt ni mt na v cc ng daayddax kt ni qua chuyn mch. o cc trng trung k c lp trnh theo thi gian biu nh sn. T ng cho h thng truyn dn.

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TNG I AXE10

Hnh: Cu hnh AXE vi h thng con o xa (RSM).

CHNG 3: KT LUNS ra i ca SPT cng vi nhiu dch v cht lng cao mang li li ch nhiu hn cho ngi tiu dng, to nn bc t ph trong vic h gi cc vin thng.Vi phng chm Cng ngh hin i Phc v vn minh Hp tc linh hot, mi mc tiu ca SPT u hng ti m bo li ch ti a cho khch hng. L mt nh cung cp vin thng a dch v, vi mng li tri khp tnh thnh ln trong c nc v vn ra nc ngoi, SPT trin khai cung cp nhiu loi hnh dch v bu chnh vin thng nh in thoi c nh, in thoi internet quc t,dch v gi in thoi VoIP 177, chuyn pht nhanh bu chnh Ngoi ra, SPT cn l nh u t chuyn nghip trong lnh vc xy dng cng trnh bu chnh vin thng, sn xut lp rp thit b, xut nhp khu thit b bu chnh vin thng. Hot ng mang du n u tin ca Ericsson ti Vit Nam l d n lp t tng i AXE-10 cho cng quc t H Ni vo nm 1991. n nay thit b h thng ca Ericsson ang hot ng ti mi cp ca mng vin thng Vit Nam cc tnh thnh ph ln nh H Ni, TP.HCM, Nng, Cn Th v cc vng xa nh k Lk, Gia Lai v Kon Tum.

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TNG I AXE10

Tng i AXE c kh nng h tr y cc dch v truyn thng cho ngi vn hnh mng ln v nh c trong mng c nh ln di ng. AXE m ra tr gip tt c cc loi thng tin vin thng v truyn d liu bao gm internet. Ngy nay, ha nhp vi s pht trin ca th gii, AXE c trin khai hu ht cc node mng truyn thng trn nc ta, tiu biu l cng ty SPT.

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