Ob LC fiber ntau modules zaum ntawm ib sab hauv ib qho chaw hauv. Lawv zoo tib yam - tib lub tsev, tib lub txuas, tib qhov loj. Tab sis ib qho yog 1000BASE-LX khiav ntawm 1 Gigabit, thiab lwm qhov yog 10GBASE-LR khiav ntawm 10 Gigabit. Txuas qhov tsis ncaj ncees lawm rau hauv qhov chaw nres nkoj hloov, thiab qhov txuas yuav nyob qis qis tsis muaj kev piav qhia meej.
Yog li koj yuav qhia li cas yog SFP module yog 1G lossis 10G? Cov lus teb luv luv: xyuas cov ntawv cim npe, txiav txim siab tus qauv Ethernet hauv tus qauv tooj, txheeb xyuas qhov hloov chaw nres nkoj ceev, lossis nyeem cov ntaub ntawv EEPROM module los ntawm kev hloov CLI. Cov lus qhia no taug kev los ntawm txhua txoj hauv kev nrog cov piv txwv tiag tiag, suav nrog qhov sib txawv ntawm SFP thiab SFP + daim ntawv foos, thiab piav qhia txog cov kev cai sib xws uas mus txog txawm tias cov kws tshaj lij engineers.
1G SFP vs 10G SFP + ntawm ib sab
| Yuav Ua Li Cas | 1G SFP feem ntau qhia | 10G SFP + Feem ntau Qhia |
|---|---|---|
| Daim ntawv lo cim | 1G, 1000BASE, Gigabit SFP, SFP 1.25G | 10G, 10GBASE, SFP +, 10GbE |
| Ethernet txuj | 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX | 10GBASE-SR, 10GBASE-LR, 10GBASE-ER |
| Form factor npe | SFP | SFP + |
| Hloov chaw nres nkoj ceev | 1 Gbps / 1000 Mbps | 10 Gbps / 10000 Mbps |
| DOM/DDM lossis EEPROM data | Tus neeg muag khoom ib feem naj npawb thiab nominal bitrate qhia 1G | Tus neeg muag khoom ib feem naj npawb thiab nominal bitrate qhia 10G |
Ua hauj lwm los ntawm cov tshev no nyob rau hauv kev txiav txim. Yog tias daim ntawv lo qhia meej, tej zaum koj yuav tsis tau mus ntxiv. Yog tias daim ntawv lo hnav, ploj lawm, lossis tsis meej, txav mus rau tus qauv naj npawb, ces mus rau qhov hloov CLI.
SFP vs SFP +: Nkag siab qhov sib txawv ceev
SFP (Small Form-factor Pluggable) thiab SFP+ sib koom yuav luag zoo tib yam lub cev qhov ntev - ob leeg siv tib lub tawb thiab tib lub LC lossis RJ45 connector interface. Qhov sib txawv tseem ceeb yog qhov ntsuas hluav taws xob. Tus thawjSFP specification (INF-8074i)tau tsim los rau cov ntaub ntawv tus nqi txog li 4.25 Gbps, uas npog 1 Gigabit Ethernet. SFP + specification (SWB-8431, luam tawm los ntawm Pawg Neeg Saib Xyuas SFF) txuas ntxiv cov hluav taws xob cuam tshuam los txhawb 10 Gbps signaling rau 10 Gigabit Ethernet.
Vim hais tias lub cev vaj tse zoo ib yam, koj tsis tuaj yeem paub qhov txawv ntawm 1G SFP los ntawm 10G SFP + los ntawm qhov loj, zoo li, lossis txuas ib leeg. Cisco GLC-SX-MMD (1G, multimode, 850 nm) thiab Cisco SFP-10G-SR (10G, multimode, 850 nm) ob qho tib si muaj duplex LC connectors thiab ze li qhov ntev. Tib txoj kev txhim khu kev qha los qhia lawv sib nrug yog los ntawm kev nyeem daim ntawv lo, tus lej qauv, lossis cov ntaub ntawv EEPROM sab hauv.
Txoj Kev 1: Nyeem SFP Label rau 1000BASE lossis 10GBASE Cov Cim
Cov ntawv luam tawm ntawm lub cev module yog qhov pib ceev tshaj plaws. Feem ntau cov tuam txhab luam tawm qhov ceev, tus qauv Ethernet, lossis daim ntawv npe ncaj qha rau ntawm daim nplaum.
Saib rau cov ntsuas no:
| Kos npe | Nws txhais li cas |
|---|---|
| 1G, 1.25G, 1000BASE, GE SFP, Gigabit SFP | 1 Gigabit SFP module |
| 10G, 10GBASE, SFP +, 10GbE, 10G SFP + | 10 Gigabit SFP + module |
Daim ntawv lo uas nyeem "1000BASE-LX" yog 1G ib qho -mode module. Ib daim ntawv lo uas nyeem "10GBASE-SR" yog 10G multimode module. Yog tias daim ntawv lo hais tias "SFP +" yam tsis muaj lwm yam kev ntsuas ceev, kho nws li 10G - SFP + tus qauv nws tus kheej qhia tias muaj peev xwm 10 Gigabit.
Ib qho kev ceeb toom: cov ntawv lo rau ntawm cov qauv qub lossis thib peb - tog twg los tau optics tuaj yeem hnav, tev ib nrab, lossis rov luam dua. Yog tias daim ntawv nplaum nyeem tsis tau lossis koj xav tias lub module tau raug relabeled, tsis txhob cia siab rau kev kuaj pom ib leeg. Txav mus rau txoj kev tom ntej.
Txoj Kev 2: Txiav txim siab tus qauv Ethernet hauv tus qauv tooj
Thaum daim ntawv lo tsis qhia meej meej hais tias "1G" lossis "10G," Ethernet tus qauv kos rau hauv tus qauv lub npe yog qhov taw qhia zoo tshaj plaws tom ntej. IEEE 802.3 txhais lub npe kev pom zoo, thiab cov lus qhia ua ntej txhim khu kev ntseeg tau ua kom nrawm:
| Ethernet Standard | Ceev | Hom Fiber | Yam Ntxim Saib Ntxim Ua |
|---|---|---|---|
| 1000BASE-SX | 1G | Multimode (850 nm) | Mus txog 550 m (OM2) |
| 1000BASE-LX | 1G | Tib - hom (1310 nm) | Mus txog 10 km |
| 1000BASE-ZX | 1G | Tib - hom (1550 nm) | Mus txog 70 km |
| 10GBASE-SR | 10G | Multimode (850 nm) | Txog li 300m (OM3) / 400m (OM4) |
| 10GBASE-LR | 10G | Tib - hom (1310 nm) | Mus txog 10 km |
| 10GBASE-ER | 10G | Tib - hom (1550 nm) | Mus txog 40 km |
| 10GBASE-ZR | 10G | Tib - hom (1550 nm) | Mus txog 80 km |
Txoj cai yog ncaj nraim:1000BASE=1G, 10GBASE=10G.
Cov neeg muag khoom tus lej feem ntau embed tib cov ntaub ntawv. Piv txwv li, Cisco siv GLC-SX-MMD rau nws 1G multimode SFP, thiab SFP-10G-SR rau nws 10G multimode SFP+. Juniper siv EX-SFP-1GE-SFP- thiab Qhov ceev feem ntau pom nyob rau hauv tus lej yog tias koj paub qhov twg los saib.
Txoj Kev 3: Txheeb xyuas qhov nrawm ntawm qhov hloov chaw nres nkoj interface
Yog tias lub module twb tau teeb tsa hauv qhov hloov pauv lossis router, kev tswj hwm kev sib txuas tuaj yeem qhia koj tias qhov txuas txuas tau khiav ntawm qhov nrawm. Txheeb xyuas qhov chaw nres nkoj raws li lub vev xaib GUI, CLI, lossis software tswj hwm network.
Nrhiav cov teb xws li chaw nres nkoj ceev, txuas ceev, sib tham ceev, hom xov xwm, lossis hom transceiver. Yog hais tias lub interface qhia 1000 Mbps lossis 1 Gbps, lub module ua haujlwm ntawm 1G. Yog tias nws tshaj tawm 10 Gbps, lub module ua haujlwm ntawm 10G.
Nov yog cov lus txib CLI cuam tshuam ntawm cov platforms sib xws:
| Platform | txib |
|---|---|
| Cisco IOS / IOS-XE | qhia interfaces [interface-id] transceiver nthuav dav |
| Cisco NX-OS | qhia interface [interface-id] transceiver cov ntsiab lus |
| Juniper Junos | qhia interfaces diagnostics optics [interface] |
| Arista EOS | qhia interfaces [interface-id] transceiver |
| MikroTik RouterOS | /interface ethernet saib [interface] |
| Linux | ethtool -m [interface] |
Ib qho tseem ceeb caveat: qhov chaw nres nkoj ceev qhia txog qhovkev khiav hauj lwm ceev tam sim no, uas tsis yog ib txwm lub module lub peev xwm tag nrho. Ib qho 10G SFP + uplink chaw nres nkoj ntawm tus tswj kev hloov pauv yuav raug teeb tsa los ntawm kev khiav ntawm 1000 Mbps. Yog tias qhov ceev zoo li tsis xav txog, txheeb xyuas qhov chaw nres nkoj teeb tsa ua ntej xaus tias qhov module nws tus kheej yog 1G.
Txoj Kev 4: Nyeem Module EEPROM ntawm DOM/DDM
Thaum daim ntawv lo ploj lawm lossis tsis tuaj yeem nyeem tau thiab cov module tseem tsis tau teeb tsa, txoj kev txheeb xyuas kev ntseeg siab tshaj plaws yog ntxig cov module rau hauv qhov hloov pauv tau thiab nyeem nws cov ntaub ntawv EEPROM.
Feem ntau niaj hnub optical transceivers ua raws li covSpecification ntawm SFF-8472, uas txhais tau hais tias tus qauv tswj kev sib txuas hu ua DOM (Digital Optical Monitoring) lossis DDM (Digital Diagnostic Monitoring). Los ntawm qhov kev sib tshuam no, qhov hloov pauv tuaj yeem tshaj tawm lub npe ntawm tus neeg muag khoom lub npe, ntu ntu, tus lej xov tooj, wavelength, nominal bitrate, txhawb Ethernet tus qauv, thiab tiag - lub sijhawm kho qhov muag lub zog.
Piv txwv li, khiav qhia interface ethernet 1/17 transceiver cov ntsiab lus ntawm Cisco Nexus hloov yuav rov qab tso zis zoo li no:
hom yog GLC-BX40-DI
lub npe yog CISCO-EDGE
nominal bitrate yog 1300 MBit/sec
Txuas ntev txhawb rau 9/125um fiber ntau yog 40 km
Cov "nominal bitrate" thiab "hom" teb ncaj qha qhia cov module ceev. Qhov nominal bitrate nyob ib ncig ntawm 1300 MBit / sec sib haum mus rau 1G module. Ib tug bitrate nyob ib ncig ntawm 10300 MBit / sec sib raug rau 10G. Cov khoom ID (xws li GLC-SX-MMD lossis SFP-10G-SR) lees paub qhov ceev tsis meej.
Txoj kev no yog qhov tseem ceeb tshwj xeeb tshaj yog thaum koj tab tom txheeb los ntawm cov khoom sib xyaw ntawm cov khoom siv tsis muaj npe, txheeb xyuas qhov thib peb - tog siv tau optic uas siv tsis yog - tus qauv sau npe, lossis kuaj xyuas qhov txuas uas tsis kam tuaj.
1G SFP vs 10G SFP + Cov ntsiab lus sib piv
| Parameter | 1G SFP | 10G SFP + |
|---|---|---|
| Cov ntaub ntawv tus nqi | 1.25 Gbps ib | 10.3125 Gbps |
| MSA specification | INF-8074 ib | SFF-8431 / SFF-8432 |
| IEEE Ethernet qauv | 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX | 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, 10GBASE-ZR |
| Common connector | Duplex LC (optical), RJ45 (tooj liab) | Duplex LC (optical), RJ45 (tooj liab) |
| Lub cev loj | Ib yam SFP daim foos | Ib yam SFP daim foos |
| Chaw nres nkoj compatibility | SFP qhov chaw; qee qhov SFP + qhov nrog 1G poob rov qab | SFP + thiab SFP28 qhov (nrog kev txhawb nqa rov qab) |
| Hom fiber ntau | Tib - homthiab multimode | Tib - hom thiabmultimode |
| Tej yam siv | Nkag mus rau txheej, kev faib tawm hauv tsev kawm ntawv, keeb kwm 1G infrastructure | Data center spine-nplooj, 10G server uplinks, aggregation layer |
Compatibility: Koj puas tuaj yeem sib xyaw 1G SFP thiab 10G SFP + Modules?
1G SFP puas tuaj yeem ua haujlwm hauv 10G SFP + Chaw nres nkoj?
Nws nyob ntawm tus qauv hloov thiab firmware. Ntau qhov hloov tshiab niaj hnub - suav nrog ntau yam Cisco Catalyst, Nexus, Juniper EX, thiab Arista platforms - tso cai rau lawv 10G SFP + chaw nres nkoj ua haujlwm ntawm 1G thaum 1G SFP module raug tso. Qhov chaw nres nkoj feem ntau yuav tsum pib- sib tham los yog teeb tsa manually rau 1G ceev.
Txawm li cas los xij, qhov no tsis yog universal. Qee cov qauv hloov pauv lossis firmware versions tsis txhawb 1G poob ntawm SFP + chaw nres nkoj. Ua ntej tso siab rau qhov no, xyuas cov neeg muag khoomoptics compatibility matrixrau koj lub platform tshwj xeeb. Ntawm Cisco, koj tuaj yeem txheeb xyuas qhov kev txhawb nqa los ntawm Optics-rau-Device Compatibility Matrix ntawm tmgmatrix.cisco.com.
10G SFP + puas tuaj yeem ua haujlwm hauv 1G SFP Chaw nres nkoj?
Nyob rau hauv txhua rooj plaub, tsis muaj. Ib qho 1G SFP chaw nres nkoj tsis txhawb 10 Gbps hluav taws xob taw qhia tias 10G SFP + module xav tau. Lub module yuav haum rau hauv lub tawb, tab sis qhov chaw nres nkoj hluav taws xob tsis tuaj yeem tsav lossis tau txais qhov siab dua - teeb liab ceev. Qhov txuas yuav nyob qis.
Puas yog 10G SFP + Module khiav ntawm 1G?
Tus qauv ruaj khov - tus nqi kho qhov muag SFP + module (xws li 10GBASE-SR lossis 10GBASE-LR) tsuas yog ua haujlwm ntawm 10G. Nws yuav tsis sib tham mus rau 1G.
Muaj kev zam: qee qhov tooj liab RJ45 SFP + modules thiab qee qhov ntau - tus nqi lossis dual - tus nqi kho qhov muag modules txhawb ntau dua ib qhov ceev. Piv txwv li, qee tus neeg muag khoom muab "1G/10G pib-kev sib tham" tooj liab SFP + modules. Ib txwm txheeb xyuas qhov muaj peev xwm no hauv daim ntawv teev cov ntaub ntawv module - tsis txhob xav tias 10G module tuaj yeem khiav ntawm 1G tshwj tsis yog cov ntaub ntawv qhia meej meej hais tias yog li ntawd.
Tsib qhov yuam kev thaum txheeb xyuas SFP Module Ceev
Ua yuam kev 1: Piv txwv tias ib leeg-Mode Fiber txhais tau tias 10G
Tib - homthiab multimode piav qhia txog cov fiber ntau qhov tseem ceeb thiab cov yam ntxwv ntawm lub teeb nthuav tawm - tsis yog cov ntaub ntawv tus nqi. Ob qho 1G thiab 10G modules muaj nyob rau hauv ib qho -mode thiab multimode variants. A 1000BASE-LX yog 1G ib qho -mode module. A 10GBASE-SR yog 10G multimode module. Fiber hom cuam tshuam kev sib kis deb thiab wavelength, tsis yog Ethernet ceev.
Qhov yuam kev 2: Kev txiav txim siab ceev los ntawm LC Connector
Feem ntau SFP thiab SFP + optical modules siv duplex LC connectors. CovLC connectorqhia koj hom fiber ntau interface, tsis yog module ceev.
Yuam kev 3: Piv txwv tias tib lub cev loj txhais tau tias tib yam ceev
SFP thiab SFP + sib koom tib yam khoom siv tshuab. Koj tsis tuaj yeem txiav txim siab ceev los ntawm kev ntsuas lossis pom qhov sib piv ntawm lub tsev. Nco ntsoov xyuas los ntawm cov ntawv sau, cov lej feem, lossis EEPROM cov ntaub ntawv.
Qhov yuam kev 4: Tsis quav ntsej qhov Hloov Chaw Muaj Peev Xwm
Ib qho module yuav tsum phim qhov chaw nres nkoj uas nws tau teeb tsa hauv. Ntxig 10G SFP + rau hauv qhov chaw nres nkoj uas tsuas yog txhawb nqa 1G yuav tsis ua haujlwm. Ntxig 1G SFP rau hauv 10G chaw nres nkoj tsuas yog ua haujlwm yog tias qhov chaw nres nkoj txhawb nqa 1G poob. Ua ntej teeb meem ntawm qhov module, xyuas seb qhov chaw nres nkoj puas txhawb nqa.
yuam kev 5: Overlooking Wavelength thiab Fiber Mismatch
Txawm hais tias qhov ceev yog qhov tseeb, qhov txuas tuaj yeem ua tsis tiav yog tias muaj lub wavelength lossis fiber ntau tsis sib haum. A 10GBASE-SR (850 nm, multimode) txuas rau ib leeg - hom fiber ntau yuav tsis tsim qhov txuas. A 1000BASE-LX ntawm ib kawg ntawm 10GBASE-LR ntawm lwm qhov kawg kuj tseem yuav ua tsis tiav - ob tus qauv siv cov cim qhia sib txawv thiab tsis tuaj yeem ua haujlwm. Ob qhov kawg ntawm qhov txuas fiber ntau yuav tsum siv cov qauv kho qhov muag sib xws.
Kev daws teeb meem: Yuav ua li cas thaum qhov txuas yuav tsis tuaj
Koj tau txheeb xyuas qhov module, lees paub qhov ceev, thiab nruab nws - tab sis qhov chaw nres nkoj nyob qis qis. Ua ntej hloov qhov optic, ua haujlwm los ntawm daim ntawv txheeb xyuas no:
Kauj Ruam 1: Paub meej tias ob qhov kawg siv tib qhov ceev thiab tus qauv
A 1000BASE-LX ntawm ib kawg thiab 10GBASE-LR ntawm lwm qhov yuav tsis txuas. Txawm hais tias ob leeg siv 1310 nm ib leeg - hom fiber ntau, lawv cov ntaub ntawv tus nqi sib txawv. Xyuas kom tseeb tias ob sab ntawm qhov txuas siv tib tus qauv Ethernet.
Kauj ruam 2: Txheeb xyuas qhov chaw nres nkoj Configuration
Puas yog qhov chaw nres nkoj tau teeb tsa rau nws pib- sib tham, lossis nws puas raug yuam kom muaj kev ceev tshwj xeeb? Ntawm qee qhov keyboards, ntxig 1G SFP rau hauv 10G chaw nres nkoj yuav tsum tau ceev ceev kev teeb tsa. Xyuas seb qhov chaw nres nkoj puas tau raug kaw lossis muab tso rau hauv qhov yuam kev -lub xeev tsis ua haujlwm.
Kauj Ruam 3: Txheeb xyuas Fiber Hom thiab Patch Cable
Paub meej seb qhov module xav tautib- hom lossis multimode fiber ntau. Ib qho multimode module ntawm ib qho - hom fiber ntau (los yog vice versa) feem ntau yuav tsis txuas lossis tsim me ntsis siab - tus nqi yuam kev. Kuj xyuas tias covfiber ntau thaj cableconnectors phim lub module interface.
Kauj Ruam 4: Tshawb xyuas Tus Muag Khoom Compatibility thiab Coding
Qee qhov hloov pauv platform txwv qhov thib peb - tog optics. Cisco, piv txwv li, tuaj yeem tso saib "tsis muaj kev txhawb nqa transceiver" ceeb toom thiab ua yuam kev -lov tes taw qhov chaw nres nkoj yog tias lub module EEPROM tsis tau coded rau lub platform ntawd. Siv cov lus qhia txiav txim siab tom qab tso lub module los xyuas cov lus sib raug zoo. Nrog rau tus neeg muag khoom hloov pauvTransceiver compatibility ntaub ntawvkom paub meej txog kev txhawb nqa.
Kauj ruam 5: Nyeem Optical Power Levels ntawm DOM
Yog hais tias lub module txhawb DOM / DDM, kos lub Tx (transmit) thiab Rx (tau txais) optical zog nyeem ntawv. Muab piv rau cov module datasheet specifications. Rau kev siv, ib txwm 1000BASE-LX module muaj lub zog xa hluav taws xob ntawm kwv yees li −9.5 dBm rau −3 dBm thiab tus txais rhiab heev ntawm −20 dBm. A 10GBASE-LR module xa tawm ntawm kwv yees li −8.2 dBm thiab +0.5 dBm nrog cov neeg txais rhiab heev ze −14.4 dBm (ibIEEE 802.3specifications).
Rx hwj chim tsawg heev yuav qhia tau tias ib tug qias neeg connector, ib tug puas patch cable, kev sib txuas ntau dhau, los yog hom module tsis ncaj ncees lawm. Ntxuav lubfiber ntau connectors, tshuaj xyuas lub cable, thiab rov- xyuas DOM nyeem ntawv.
Kev Txiav Txim Siab: Txheeb xyuas qhov tsis paub SFP Module
Thaum koj rub ib qho module uas tsis muaj npe los ntawm ib qho chaw hauv, ua raws li cov kab ke no:
- Nyeem daim ntawv lo.Nrhiav 1000BASE, 10GBASE, SFP, lossis SFP + cov cim.
- Nrhiav tus lej.Nkag mus rau tus neeg muag khoom tus lej rau hauv cov chaw tsim khoom cov khoom lag luam database lossis cov ntaub ntawv khaws cia.
- Kos rau 1000BASE vs 10GBASE.Ethernet tus qauv prefix ntseeg tau hais tias ceev.
- Ntxig rau hauv ib qho kev sib tw.Siv qhov muaj SFP + chaw nres nkoj (uas tuaj yeem lees txais SFP thiab SFP + modules ntawm feem ntau niaj hnub platforms).
- Nyeem cov ntaub ntawv EEPROM/DOM.Khiav qhov tsim nyog qhia interface transceiver hais kom ua rau koj lub platform. Txheeb xyuas tus neeg muag khoom, tus lej ntu, tus lej nominal, thiab tus qauv txhawb nqa.
- Hla - hais txog kev sib raug zoo matrix.Paub meej tias qhov module tau txais kev txhawb nqa ntawm koj lub hom phiaj hloov ua ntej xa mus rau hauv ntau lawm.
Yuav Ua Li Cas Xaiv Txoj Cai Hloov SFP lossis SFP + Module
Thaum txiav txim ib qho kev hloov, sib piv qhov ceev ib leeg tsis txaus. Txheeb xyuas cov kev txwv no tiv thaiv ob qho kev ua tsis tiav module cov lus qhia tshwj xeeb thiab qhov hloov chaw nres nkoj yuav tsum:
- Ceev:1G (SFP) lossis 10G (SFP +)
- Ethernet tus qauv:Piv txwv li, 1000BASE-LX lossis 10GBASE-SR
- Fiber ntau: single-mode lossis multimode
- nrug:luv-reach (SR/SX), ntev-reach (LR/LX), los yog ncua -reach (ER/ZX)
- Lub wavelength:850nm, 1310nm, 1550nm, lossis lwm yam
- Connector:Duplex LC rau optical, RJ45 rau tooj liab
- Hloov compatibility:paub meej tias lub module tau teev nyob rau hauv lub hom phiaj platform compatibility matrix
- Ua haujlwm kub:kev lag luam (0–70 degree) lossis industrial (−40 txog +85 degree) raws li xav tau
FAQ
Q: Puas yog SFP ib txwm 1G?
A: Hauv kev siv Ethernet tus qauv, SFP modules cuam tshuam nrog 1G. Txawm li cas los xij, SFP daim foos tseem siv tau rau lwm cov kev cai ntawm qhov sib txawv (xws li Fiber Channel ntawm 1G, 2G, lossis 4G). Rau 10G Ethernet, tus qauv qauv yog SFP+.
Q: Puas yog SFP + ib txwm 10G?
A: SFP + feem ntau yog tsim los rau 10G. Qee qhov tshwj xeeb ntau- tus nqi modules tuaj yeem txhawb nqa 1G thiab 10G, tab sis cov no yog qhov zam. Nco ntsoov xyuas cov ntaub ntawv module tshwj xeeb.
Q: Kuv puas tuaj yeem siv 1G SFP hauv 10G hloov?
A: Tsuas yog tias qhov tshwj xeeb 10G chaw nres nkoj ntawm tus qauv hloov ntawd txhawb nqa 1G SFP kev ua haujlwm. Txheeb xyuas tus neeg muag khoom hloov pauv qhov sib xyaw ua ke rau koj qhov kho vajtse thiab firmware version.
Q: Vim li cas kuv 10G SFP + tsis ua haujlwm hauv 1G chaw nres nkoj?
A: Ib qho 1G SFP chaw nres nkoj tsis tuaj yeem txhawb nqa 10 Gbps hluav taws xob teeb liab xav tau los ntawm 10G SFP + module. Lub module haum rau lub cev, tab sis qhov chaw nres nkoj hardware tsis txhawb cov ntaub ntawv tus nqi.
Q: 1.25G ntawm SFP daim ntawv lo txhais li cas?
A: 1.25 Gbps yog tus nqi tiag tiag ntawm 1G Ethernet SFP module (1 Gbps payload ntxiv rau 8B / 10B encoding overhead). Ib qho module sau 1.25G yog 1G SFP.
Q: Puas yog SFP28 zoo ib yam li SFP +?
A: Tsis yog SFP28 siv tib lub cev daim ntawv tab sis txhawb 25 Gbps signaling rau 25 Gigabit Ethernet. SFP28 cov chaw nres nkoj feem ntau lees txais SFP + (10G) thiab qee zaum SFP (1G) modules rau rov qab sib raug zoo, tab sis ib qho SFP28 module yuav tsis ua haujlwm hauv SFP + chaw nres nkoj uas tsuas yog txhawb 10G.
Q: Kuv yuav txheeb xyuas SFP ceev ntawm Cisco hloov li cas?
A: Siv qhia interfaces [interface-id] transceiver nthuav dav ntawm IOS/IOS-XE platforms, los yog qhia interface [interface-id] transceiver cov ntsiab lus ntawm NX-OS. Koj tuaj yeem siv cov khoom muag kom pom cov khoom ID (PID) ntawm cov khoom siv kho qhov muag.
Q: Puas yog ib hom - hom lossis multimode qhia kuv seb SFP yog 1G lossis 10G?
A: Tsis yog. Ib hom - hom thiab multimode piav qhia hom fiber ntau, tsis yog cov ntaub ntawv tus nqi. Ob leeg 1G thiab 10G modules muaj nyob rau txhua hom fiber ntau. Koj yuav tsum tau kuaj xyuas tus qauv Ethernet, daim ntawv lo, lossis EEPROM cov ntaub ntawv los txiav txim siab ceev.
Xaus
Qhia rau 1G SFP los ntawm 10G SFP + los ntawm kev nyeem cov ntaub ntawv raug: daim ntawv cim npe, tus qauv Ethernet (1000BASE vs 10GBASE), qhov hloov chaw nres nkoj ceev, lossis module EEPROM cov ntaub ntawv ntawm DOM / DDM. Lub cev zoo nkaus li ib leeg yeej tsis ntseeg tau - ob lub qauv uas zoo ib yam tuaj yeem ua haujlwm ntawm qhov sib txawv kiag li nrog cov teeb liab tsis sib haum.
Rau kev xa tawm thiab kev daws teeb meem, nco ntsoov paub meej tias qhov ntsuas qhov nrawm sib npaug ntawm qhov chaw nres nkoj muaj peev xwm, hom fiber ntau cuam tshuam rau optic, thiab ob qhov kawg ntawm qhov txuas siv tib tus qauv Ethernet. Thaum muaj kev tsis ntseeg, ntxig lub module rau hauv ib qho kev hloov, nyeem cov ntsiab lus ntawm transceiver los ntawm CLI, thiab hla -xyuas tawm tsam tus neeg muag khoom lub compatibility matrix. Cov kauj ruam pov thawj ntxiv ntawd tiv thaiv cov kev sib txuas tsis sib xws, siv sij hawm kho qhov teeb meem, thiab hloov pauv tsis tsim nyog.
