1. Bo co thc t pPHN II . TM HIU PHN CNG ROUTER JUNIPER MX9601. MX960 Chassis Description ( M t khung ) :Khung router l mt tm kim loi cng . Cu trc ging nh mt ngi nh bo v chocc thnh phn khc ca routerCc khung c ci trn cc gi Hin c hai loi khung cho router Juniper MX 960 - Khung chun c chiu cao l : 70,49cm. rng l 44,11cm . Chiu su l 58,42cm. (t np trc ti mt pha sau ) . Ta c th m rng chiu su n 71,1 cm . Ba router c th c kt hp trong 48-U . Trng lng ca khi ny c th hn 476 kg - Khung gm cp m rng c chiu cao 92.7cm , chiu rng 44,11cm v su 73,7cm ( tnh t np ti mt pha sau ). Khung c th lin kt hai thit b nh tuyn trong mt 48-U . Trng lng lin kt ca n c th ln hn 339 kg - Gn phn cngbaogmpha trclpmt bchtrn mt trcca khung, v hai trung tm lpkhunggn lin vitrung tmca khung.Juniper MX960 23

2. Bo co thc t pJuniper MX960 24 3. Bo co thc t p 2. MX960 Rack-Mounting Hardware ( Gi lp t phn cng MX 960 ) Gi lp t phn cng MX 960 bao gm :K ln gn 4 bi k , t , v khung m k .Gn knhchopha trcgn kttrong mt rackbnbihocni cc 3. MX960 Midplane Description ( Mt phng gia )Midplane nm pha sau ca khung v hnh thnh pha sau ca th lng.Cc th dngvcc SCBcitvomidplanetmt trc ca khung,vngun cungcp nng lngci tvoccmidplanetpha sau cakhung. Cc thnh phnhthng lm mtcngktnivimidplane.Midplane thchincc chc nngch yu sau y:- Cc gi d liung dn d liuc chuyn giaoquamidplanegiaccthdngquaASICsvitrnccSCBS.- Phn phi in-Cc b nh tuyn ngun cung cp nnglngktninmidplane, v t yphn phi inchott ccc thnh phnrouter.- Tn hiu ngmidplanecung cp ccngdntn hiu cc thdng, cc SCB,c cu nh tuynv cc thnh phnh thng khc theo div kim sotca hthng.Juniper MX960 25 4. Bo co thc t p 4. MX960 Dense Port Concentrator Overview4.1 MX960 Dense Port Concentrator Description (DPC): c ti u ha mt cho ethernet . Cho thy hai v d ca DPCs i vi mt danh sch ca DPCsh tr, MX Series 3D ph cnh Router Hng dn Th dng.Juniper MX960 26 5. Bo co thc t p Lp rp DPCs kt hp chuyn tip gi tin v giao din Ethernet trn mt n Qun l, hoc hai hay bn ng c chuyn tip gi 10-Gbps. Mi Cng c Chuyn tip gi bao gm mt I-chip x l lp 3 v lp mt trong 2 b x l mng. Giao din DPCs vi cc ngun cung cp in v b kim sot Switch (CBs) Cc b nh tuyn c 11 khe cm chuyn dng ca DPCs. DPCs ci t theo chiu dc mt trc ca router . Cc khe cm chuyn dng ca DPCs c nh s 0 n 5, v 7 .n 11 t tri sang phi. Mt khe cm a chc nng b sung c nhn 2/6 h tr mt SCB hoc DPCs. DPCs c th c ci t trong bt k khe cm h tr DPCs. Bn c th ci t bt k s kt hp ca cc loi DPCs trong cc b nh tuyn. Nu khe cm khng c chim bi mt DPCs, DPCs trng phi c ci t bo v cc sn phm v cho php lm mt khng kh lu thng qua router. DPCs c kh nng tho lp nng. Khi bn ci t mt DPCs trong iu hnh b nh tuyn, nh tuyn ti cng c phn mm DPCs, DPCs chy chn on ca n,v gi ng c chuyn tip nm trn DPCs c kch hot. Chuyn tip vo DPCs khc v tip tc khng b gin on trong qu trnh ny.Juniper MX960 27 6. Bo co thc t p 4.2 Cc thnh phn DPC DCPs mi bao gm cc thnh phn sau: DCPs che ph, c chc nng tng cng Vi giao din. Hai Gigabit Ethernet giao din cho php kim sot thng tin, thng tin tuyn , v s liu thng k c gi i gia Engine nh tuyn v CPU trn DCPs. Hai giao din t cc SCBs cho php DCPs c h tr v kim sot. DCPs kt ni vt l. Hai hoc bn Packet Forwarding ng c. Midplane kt ni v mch in. B x l h thng ph, trong bao gm mt CPU 1,2 GHz, b iu khin h thng, v 1 GB ca SDRAM. nt a DCPs trc tuyn hoc ngoi tuyn khi p. n LED trn cc tm mt DCPs. bit thm thng tin v n LED trn cc tm mt DCPs,Juniper MX960 28 7. Bo co thc t p4.3 MX960 Dense Port Concentrator LEDsHai n LED, nm trn giao din th cng trn DCPs, hin th trng thi caDCPsv c dn nhn OK hoc FAIL5. MX960 Modular Port Concentrator Overview5.1. MX960 Modular Port Concentrator Description (MPCs) :Modular Port concentrators (MPCs) cung cp dch v chuyn tip gi tin. Cc MPCsc a vo mt khe cm trong mt b nh tuyn. Th giao din kiu m-un (MIC)cung cp giao din vt l v ci t vo cc MPCs. Bn c th ci t ln n hai MICca cc phng tin truyn thng khc nhau loi trn cng mt MPC nh MPC h trnhng MIC. MPC cu hnh c nh chuyn ngnh cung cp mt cng cao hn so vi MIC v kthp chuyn tip gi tin v giao din Ethernet vo mt th dng. Cc cu hnh c nhMPC c a vo mt khe cm trong mt b nh tuyn v khng cha khe cm MIC. MIC nhn cc gi tin n t mng v truyn cc gi tin gi i. Trong qu trnh ny, MICtng thc hin khung v truyn tn hiu tc cao cho phng tin truyn thng ca nloi. Trc khi truyn gi d liu gi i thng qua cc giao din MIC,MPCs ng gi ccgi tin nhn c. Mi MPC c trang b n bn JunosTrio chipset, thc hin chcnng kim sot ph hp vi loi phng tin truyn thng ca MPC. Cc MPCs giaodin vi cc ngun cung cp in v Ban kim sot Switch (SCBS). bn phi ci t ccSCBS d phng h tr tc dng y .Juniper MX960 29 8. Bo co thc t p 5.2.Cc thnh phn ca MPCsJuniper MX96030 9. Bo co thc t p MPC nh cung cp dch v th, trong bao gm hai khe cm MIC (khng bao gmcc cu hnh c nh MPC). Hai Gigabit Ethernet giao din cho php kim sot thng tin, thng tin tuyn ng, vs liu thng k c gi i gia Engine nh tuyn v CPU trn MPCs. Hai giao din t cc SCBs cho php MPCs c h tr v kim sot MPC kt nivt l. 4 chipset Junos Trio, thc hin chc nng kim sot ph hp ca MPC loi phngtin. Midplane kt ni v mch in. B x l h thng ph, trong bao gm mt CPU 1,5 GHz, b iu khin h thng, v1 GB ca SDRAM trc tuyn nt trong c cc MPC trc tuyn hoc offline khi p. OK / Fail LED trn cc tm mt MPC. bit thm thng tin v n LED trn MPCtm mt, thy MX Series cnh 3D ph Router Hng dn Th dng.MX960 3D ph Edge Router Phn cng Hng dnHai n LED, nm trn giao din th cng trn MPC, hin th trng thi ca dng th vc dn nhn OK v FAIL. 5.3. MX960 Modular Port Concentrator LEDs Hai n LED, nm trn giao din th cng trn MPC, hin th trng thi ca dng th vc dn nhn OK hoc FAIL.6. MX960 Modular Interface Card Overview: 6.1. MX960 Modular Interface Card Description- Modular Interface Card Description (MIC) ci t vo (MPCs) v cung cp cckt ni vt l cho cc loi phng tin truyn thng mng khc nhau. MIC cho php giaodin vt l khc nhau c h tr trn mt th dng. Bn c th ci t MIC khc nhautrn cng mt MPC min l MPC h tr MIC.- MIC nhn cc gi tin n t mng v truyn cc gi tin gi i. Trong qu trnhny, MIC tng thc hin khung v truyn tn hiu tc cao cho phng tin truynthng ca n. Trc khi truyn gi d liu gi i thng qua cc giao din MIC,MPCsng gi cc gi tin nhn c 6.2. MX960 Modular Interface Card (MIC) LEDs:MIC c n LED nm mt hnh7. MX960 Flexible PIC Concentrator Overview : 7.1. MX960 Flexible PIC Concentrator Description (FPC ) :FPC chim hai khe trn mt b nh tuyn dng MX. Cc b nh tuyn MX960 cJuniper MX960 31 10. Bo co thc t p11khe cm DPCs v mt khe a chc nng cm h tr DPC, FPC, hoc Switch kim sot(SCB)Nu khe cm th nh khng b chim ng bi mt DPC, FPC, hoc mt SCB, th mtbng iu khin trng phi c ci t che chn cc khe trng v cho php lm mtkhng kh lu thng qua router.Each FPC supports up to two PICs. On an FPC2, one Packet Forwarding Engine receivesJuniper MX96032 11. Bo co thc t pincoming packets from the PICs installed on the FPC and forwards them through theswitch planes to the appropriate destination port. On an FPC3, two Packet ForwardingEngines receive incoming packets from the PICs installed on the FPC and forward themthrough the switch planes to the appropriate destination port. The FPCs interface withthe power supplies and SCBs.Khi bn ci t mt FPC vo mt router hot ng, ti ng c nh tuyn phn mmFPC, FPC chn on ca n v cc PIC nm trn FPC c kch hot. qu trnh Chuyntip tip tc khng b gin on trong qu trnh ny.Khi bn loi b hoc ci t mtFPC, gi tin chuyn tip gia DPC khc hoc FPC khng b nh hng.7.2. Cc thnh phn ca FPC Cc th FPC, trong bao gm hai khe cm PIC Cc ng c chuyn tip gi, bao gm mt chip-I cho tng 3 x l v lp mt cho tng2 kt ni Midplane kt ni v mch in B x l h thng con (PMB), trong bao gm mt CPU 1,2 GHz, h thng iukhin, 1 GBSDRAM, v hai giao din Gigabit Ethernet Hai n LED, nm trn giao din FPC, hin th trng thi ca FPC v c dn nhnOK v FAIL FPC nt online / offline, nm trn giao din FPCFPCs Supported by the MX960 Router ( FPC h tr trn router MX960 ) 8. MX960 PIC Overview (Tng quan v MX960 PIC) :8.1. M t MX960 PIC : PICs cung cp kt ni vt l ti nhiu loi mi trng mng, nhn cc gi ti tmng v truyn cc gi ra vo mng. Trong sut qu trnh ny, mi PIC thc hin ngkhung v bo hiu vi tc ng dy cho loi mi trng ca n. Trc khi truyngi d liu ra, PIC ng gi cc gi nhn c t FPCs. Mi PIC c trang b mtASIC thc hin chc nng iu khin c th ti mi trng ca PIC . PIC c th g b v ci t trong lc ang chy. Hai PIC c th c ci t trongJuniper MX96033 12. Bo co thc t pcc khe cm trong mi FPC.PIC s dng trong FPC2,FPC3 c c vt b pha trn vdi. 9. MX960 Host Subsystem Overview (M t v MX960 Host Subsystem): H thng con chnh cung cp chc nng nh tuyn v qun l h thng ca Router.Chng ta c th ci t 1 hoc 2 h thng con chnh trn 1 router. N bao gm mt cch nh tuyn v mt bng iu khin lin k. hot ng, mi h thng ng vai trnh mt n v, c cu nh tuyn i hi bng iu khin tng ng v ngc li. Mi h thng con chnh c 3 leds ti pha trn bn phi ca giao tip th cng, thhin trng thi ca n. Ngoi ra, cn c cc leds trn mi c cu nh tuyn v bng iukhin. 10. M t v MX960 Switch Control Board (SCB) 10.1. Cc chc nng m SCB cung cp : Tt bt ngun ca DPC, FPC v MPCs iu khin p xung, reset h thng, v khi ng Mn hnh v chc nng h thng iu khin, bao gm c tc qut, trng thingun cung cp, PDM tnh trng v kim sot, v giao din th cng Cung cp mi lin kt tt c cc DPC, FPC v MPCs trong khung thng qua ccloi cp chuyn i tch hp vo SCBJuniper MX96034 13. Bo co thc t p C th ci t 3 SCB vo router. Cc SCB ci t theo chiu dc vo mt trc cakhung khe cm c nhn 0, 1, v 2/6. Nu bt k khe cm no trng , bn phi ci t mtbng iu khin trng. 10.2. Cc thnh phn SCB : Khung qun l cng tc Ethernet I2C c s dng cho giao tip mc thp vi mi thnh phn Hp phn mch d phng Gigabit Ethernet chuyn i c kt ni CPU nhng trn tt c cc thnh phn Cng tccung cp cc chc nng chuyn i cho cc DPC, SCB, v MPCs Kim sot FPGA-Cung cp giao din Peripheral Component Interconnect (PCI) c ch nh tuyn 1000Base-T Ethernet-Cung cp 1 Gbps Ethernet lin kt gia cc c ch nhJuniper MX96035 14. Bo co thc t p tuyn. Ethernet switch-Cung cp tc lin kt1 Gbps gia c ch nh tuyn v DPC, SCB,MPCs . Mch cho qun l v kim sot khung gm. Mch in cho c ch nh tuyn v SCB. n LED-Cung cp Tnh Trng. 11. C cu nh tuyn ( Routing engine) Nu h thng my ch d tha th c cu nh tuyn s sao lu khi ci t hoc gb nng . Cc qu trnh phn mm chy trong c ch nh tuyn bo dng bng nh tuyn,qun l giao thc nh tuyn, iu khin cc giao tip ca MX960, iu khin mt sthnh phn khung, v cung cp giao tip cho vic qun l h thng v s truy nhp causer vo Router.Juniper MX960 36 15. Bo co thc t p Cc c ch nh tuyn m MX960 h tr : RE-S-1300-2048 h tr cho pht hnh h iu hnh Junos 8.2 v mi hn. RE-S-2000-4096 h tr cho pht hnh h iu hnh Junos 8.2 v mi hn. RE-S-1800x2 h tr cho h iu hnh Junos pht hnh 10.4 v mi hn. RE-S-1800x4 h tr cho h iu hnh Junos pht hnh 10.4 v mi hn. Routing Engine Function (Chc nng ca c cu nh tuyn) : C ch nh tuyn chy h iu hnh Junos. Phn mm x l nh tuyn v dyu trnh tuyn trn cc bng nh tuyn, qun l cc giao thc nh tuyn c s dng trnb iu khin, router cc giao din router, kim sot mt s thnh phn khung, v cungcp giao din h thng qun l ngi dng truy cp router. Routing Engine Slots: Bn c th ci t mt hoc hai C ch nh tuyn trong router. Mi c ch nhtuyn phi c ci t trc tip vo mt SCB. Mt cng USB trn c ch nh tuyn chp nhn mt thit b nh USB cho phpbn ti h iu hnh Junos. C ch nh tuyn ci t vo pha trc ca Khung trong khe cm dc trc tip vo SCB c nhn 0 v 1. Nu hai C ch nhtuyn c ci t, th mt trong nhng c cu nh tuyn ny chy chnh v cc c chJuniper MX96037 16. Bo co thc t pnh tuyn khc l d phng. Nu c ch nh tuyn chnh b li hoc g b th cu hnhca c ch inh tuyn chnh s c sao lu Trn b nh tuyn MX960, mt Cng c nh tuyn c ci t trong khe cmSCB 2/6 khng nhn c quyn lc v cung cp khng c chc nng nh tuyn.NuSCB khng c ci t trong khe cm 2/6, ci t mt bng iu khin trng trong khe. Routing Engine Interface Ports : Ba cng, nm pha bn phi ca c ch nh tuyn, kt ni c ch nh tuyn n mt hoc nhiu thit b bn ngoi m trn cc qun tr vin c th s dng hiu hnh junos qun l cc b nh tuyn. Cc cng vi cc nhn ch nh chc nng nh sau: - AUX-Kt ni c ch nh tuyn n mt my tnh xch tay, modem, hoc thitb ph tr khc thng qua mt cp ni tip vi mt kt ni 45 RJ. -CONSOLE-Kt ni C ch nh tuyn n mt giao din iu khin h thngthng qua mt cp ni tip vi mt kt ni 45 RJ. -ETHERNET-Kt ni c ch nh tuyn thng qua mt kt ni Ethernet n mtmng LAN (hoc bt k thit b khc cm kt ni Ethernet) qun l. 12. MX960 Craft Interface Description ( Giao din th cng ) :Giao din th cng cho php bn xem trng thi v thng tin x l s c trong nhy mt .Giao din th cng c t trn mt trc ca router v c n LED cho cc thnh phnrouter, cc a ch lin lc tip sc bo ng, v nt ct bo ngMX960 Component LEDs on the Craft Interface ( Thnh phn LED trn giao din thJuniper MX96038 17. Bo co thc t pcng ) - MX960 Host Subsystem LEDs on the Craft Interface - MX960 Power Supply LEDs on the Craft Interface - MX960 DPC and MPC LEDs on the Craft Interfac -MX960 FPC LEDs on the Craft InterfaceJuniper MX960 39 18. Bo co thc t p -MX960 SCB LEDs on the Craft Interface -MX960 Fan LEDs on the Craft Interface MX960 Alarm Relay Contacts on the Craft InterfaceGiao din th cng c hai a ch lin lc tip sc bo ng kt ni cc b nh tuynbn ngoi thit b bo ng .Bt c khi no mt h thng hoc kch hot bo ng hoc mu vng trn giao din th cng, cc bo a ch lin lc chuyn tip cng ckch hot.Bo ng lin lc tip sc c t pha trn bn phi ca giao din th cngJuniper MX960 40 19. Bo co thc t p 13. MX960 Power System Description ( M t h thng ngun )Cc b nh tuyn MX960 s dng ngun cung cp nng lng hoc AC hocDC.MX960 cc b nh tuyn c cu hnh vi ba hoc bn ngun cung cp in ACcng sut bnh thng, Bn ngun cung cp in DC cng sut cao, bn ngun cung cpin AC cng sut cao.Cc ngun cung cp nng lng kt ni midplane, phn phi inp u ra khc nhau c sn xut bi cc ngun cung cp nng lng cho cc thnhphn router, ty thuc vo yu cu in p.Tt c cc ngun cung cp nng lng c kh nng chn v g b nng. Mi ngun cungcp nng lng c lm lnh bng cch lm mt ca h thng ni b ca mnh. 13.1. MX960 AC Power Supply Description ( M t ngun cung cp AC ) : Trong cu hnh in AC, cc b nh tuyn c cha ba hoc bn ngun cung cp in AC.Nm pha sau ca khung trong cc khe PEM0 thng qua PEM3 (tri sang phi). Mi ngun cung cp in AC cung cp ngun cho tt c cc thnh phn trong router. Mi cung cp in AC c mt thit b u vo AC tng ng khung trc tip trn cc ngun cung cp nng lng. Mi u vo i hi mt ngun cp in AC chuyn dng v mt dnh ring 15 A (250 VAC) b ngt mch. Trong cu hnh cung cp in c cng sut cao, ngun cung cp nng lng c tp trung. khng c hin ti chia s gia cc ngun in vi h thng nng cp cn thit bi v nhng thay i d phng t 3 +1 cho mi h thng 1 +1 cho mi khu vc. i vi MX960 cu hnh AC, hai khu vc c mt. Hai ngun cung cp in ln cn cn phi c ci t trong khung vi 2 ngun cp nh km.Juniper MX96041 20. Bo co thc t p 13.2. MX960 DC Power Supply ( Ngun h tr DC ) : Trong cu hnh in DC, cc b nh tuyn c cha hai hoc bn ngun in DC nm pha sau ca khung trong cc khe PEM0 thng qua PEM3 (tri sang phi). Bn c th nng cp h thng in DC t 2 ln 4 ngun cp in. ngun DC cung cp nng lng trong cc khe PEM0 v PEM2 cung cp nng lng khay qut thp. DC ngun cung cp nng lng trong cc khe PEM1 v PEM3 cung cp nng lng khay qut i vi cc ngun cung cp nng lng hin c, mi ngun cung cp in DC c mt u vo DC (-48 V DC v ngc li).i vi ngun cung cpJuniper MX96042 21. Bo co thc t p nng lng cao cng sut, mi ngun cung cp in DC c hai DC u vo (-48 VDC v Ngc li). 14. MX960 Cooling System Overview ( H thng lm mt): Cc thnh phn ca h thng lm mt lm vic chung vi nhau gi cho cc thnh phn ca Router trong cc iu kin nhit chp nhn c. H thng con chnh gim st nhit cc thnh phn ca Router. Khi router hot ng bnh thng, cc qut hot ng mc chm hn tc ti a. Khi 1 qut b hng hoc nhit xung quanh vt qua ngng th tc ca nhng qut cn li s t ng c iu chnh gi nhit trong khong cho php. Nu nhit xung quanh vt qua ngng ti a v h thng khng lm mt tng ng th c ch nh tuyn s tt mt vi hoc ton b cc thnh phn phn cng.Juniper MX96043 22. Bo co thc t p Cc h thng con chnh theo di nhit ca cc thnh phn router.khi router hot ng bnh thng, nhng qut hot ng thp hn tc y . Nu mt qut h hay nhit mi trng xung quanh tng ln trn ngng, tc ca qut cn li t ng iu chnh gi cho nhit trong phm vi chp nhn c. Nu mi trng xung quanh vt qu nhit ti a c im k thut v h thng khng th c lm mt y , Routing Engine tt h thng bng cch v hiu ha ngun Mi qut c mt n LED hin th trng thi ca n. Cc n LED qut c t trn nh tri ca giao din th cngJuniper MX96044 23. Bo co thc t p 15. MX960 Cable Manager Description ( M t h thng qun l cp): Qun l cp tiu chun l mt khay nm bn di dng th lng, trong c mt hng mi bn ngn m bo cho cc loi cp :Cng Concentrator (DPC), Cng Modular Concentrator (MPC), Modular Interface Card (MIC), hoc PIC.Juniper MX96045 24. Bo co thc t p Qun l cp m rng cho php cp ca router i t mt trc ca DPC, MPCs, MIC, PIC, v cung cp truy cp thmJuniper MX96046 25. Bo co thc t pJuniper MX960 47