MultiLane AT4079B GUI Bit Mai Gwajin Kuskuren Ratio

Bayanin samfur
Manual mai amfani na AT4079B GUI jagora ne na mai amfani don Gwajin Ratio Kuskuren AT4079B. An tsara shi don gwaji da kuma nazarin tsarin watsa bayanai masu sauri. Mai gwadawa yana goyan bayan aikin layin 8 tare da ƙimar baud daga 1.25 zuwa 30 GBaud. Yana da ikon gwada tsarin siginar NRZ da PAM4 duka. Littafin yana ba da cikakkun bayanai game da yadda ake amfani da ƙirar mai amfani da hoto na mai gwadawa (GUI) don yin gwaje-gwaje da aunawa daban-daban. Manual mai amfani na AT4079B GUI shine sigar 0.4 da aka sabunta, kwanan watan Maris 2021. Ya ƙunshi mahimman sanarwa game da ƙuntatawa na gwamnati akan amfani, kwafi, ko bayyana samfurin ta Gwamnati. Littafin ya kuma ambaci cewa samfuran MultiLane Inc. suna da kariya ta haƙƙin mallaka na Amurka da na ƙasashen waje.

Umarnin Amfani da samfur
Gabaɗaya Kariyar Tsaro Kafin amfani da AT4079B Bit Kuskuren Ratio Tester, sakeview matakan tsaro masu zuwa don tabbatar da aiki mai aminci:

• Yi amfani da ƙayyadadden igiyar wutar lantarki da aka ƙwallafa don ƙasar amfani.
• Kula da duk ƙimar tasha da alamomi akan samfurin.
• Kada ku yi aiki da mai gwadawa ba tare da murfi ko fashe ba.
• Ka guji taɓa abubuwan haɗin da aka fallasa da abubuwan haɗin gwiwa lokacin da wuta ke nan.
• Idan akwai zargin lalacewa ga samfurin, ƙwararrun ma'aikatan sabis sun duba shi?
• Guji aiki da ma'aunin a jika/damp yanayi ko a cikin wani yanayi mai fashewa.
• Tsaftace saman samfurin kuma a bushe.

Shigarwa
Bi waɗannan matakan don shigar da AT4079B Bit Error Ratio Tester:

1. Tabbatar an cika mafi ƙarancin buƙatun PC. (Dubi littafin jagora don cikakkun bayanai akan mafi ƙarancin buƙatun PC.)
2. Haɗa mai gwadawa zuwa PC ta amfani da haɗin Ethernet.

Matakai na Farko
Don fara amfani da AT4079B Bit Error Ratio Tester, bi waɗannan

matakai

1. Haɗa mai gwadawa zuwa PC ta hanyar Ethernet.

Bayanan Bayani na AT4079B GUI
8-Layi | 1.25-30 GBAUD | Bit Error Ratio Tester 400G | NRZ & PAM4
AT4079B GUI Manual mai amfani-rev0.4 (GB 20210310a) Maris 2021

Sanarwa
Haƙƙin mallaka samun © MultiLane Inc. Duk haƙƙin mallaka. Samfuran software masu lasisi mallakar MultiLane Inc. ko masu samar da ita kuma ana kiyaye su ta dokokin haƙƙin mallaka na Amurka da tanadin yarjejeniya na ƙasa da ƙasa. Amfani, kwafi, ko bayyanawa ta Gwamnati yana ƙarƙashin ƙuntatawa kamar yadda aka bayyana a cikin ƙaramin sakin layi (c) (1) (ii) na Haƙƙoƙi a cikin Bayanan Fasaha da Sashe na Software na Kwamfuta a DFARS 252.227-7013, ko ƙananan sakin layi (c)(1) ) da (2) na Software na Kasuwancin Kasuwanci - Ƙuntataccen haƙƙin haƙƙin a FAR 52.227-19, kamar yadda ya dace. Samfuran MultiLane Inc. suna rufewa da haƙƙin mallaka na Amurka da na ƙasashen waje, ana bayarwa kuma suna jira. Bayani a cikin wannan ɗaba'ar ya zarce na a cikin duk abubuwan da aka buga a baya. Ana keɓance ƙayyadaddun bayanai da gata na canjin farashi.

Takaitacciyar Takaitaccen Tsaro
Review waɗannan matakan tsaro masu zuwa don guje wa rauni da hana lalacewa ga wannan samfur ko kowane samfuri da ke da alaƙa da shi. Don guje wa yuwuwar hatsarori, yi amfani da wannan samfurin kamar yadda aka ƙayyade kawai. ƙwararrun ma'aikata ne kawai yakamata suyi hanyoyin sabis. Yayin amfani da wannan samfurin, ƙila ka buƙaci samun dama ga wasu sassan tsarin. Karanta Takaitaccen Takaitaccen Tsaro a cikin wasu ƙa'idodin tsarin don faɗakarwa da faɗakarwa masu alaƙa da aiki da tsarin.

Don Gujewa Wuta ko Raunin Kai

Yi amfani da Igiyar Wuta Mai Kyau. Yi amfani da igiyar wutar lantarki da aka ƙayyade don wannan samfurin kuma an tabbatar da ita don ƙasar amfani. Kula da Duk Ƙimar Tasha. Don guje wa haɗari na wuta ko girgiza, lura da duk ƙima da alamomi akan samfurin. Tuntuɓi littafin samfurin don ƙarin bayanin kima kafin yin haɗi zuwa samfurin.

• Kar a yi amfani da yuwuwar zuwa kowane tasha, gami da na gama gari wanda ya zarce matsakaicin ƙimar wannan tasha.
• Kar a Aiki Ba tare da Rufe ba.
• Kada a yi aiki da wannan samfur tare da murfi ko cire fashe.
• Guji Fallasa Zagaye. Kada ku taɓa haɗin da aka fallasa da abubuwan haɗin lokacin ikon yana nan.
• Kar a Aiki tare da Abubuwan da ake zargi da gazawa.
• Idan kuna zargin akwai lalacewa ga wannan samfurin, ƙwararrun ma'aikatan sabis su duba shi.
• Kada kuyi Aiki cikin Rigar/Damp Sharuɗɗa. Kar a Yi Aiki a cikin Yanayin Fashewa. Kiyaye saman Samfurin Tsabta da bushewa
• Bayanan taka tsantsan suna gano yanayi ko ayyuka waɗanda zasu iya haifar da lalacewa ga wannan samfur ko wata kadara.

GABATARWA

Wannan shine littafin aikin mai amfani na AT4079B. Ya ƙunshi shigar da kunshin software ɗin sa kuma yayi bayanin yadda ake sarrafa kayan aikin don ƙirƙira ƙirar ƙira da gano kuskure; yadda ake sarrafa tsarin clocking, abubuwan shigarwa/fitarwa da duk ma'aunin da ke akwai.

Acronym	Ma'anarsa
BERT	Gwajin Kuskure Bit
API	Interface Programming Application
NRZ	Rashin Komawa Zero
GBd	Gigabaud
PLL	Madauki-Kulle Lokaci
PPG	Pulse Pattern Generator
GHz	gigahertz
PRD	Takardun Bukatun samfur
I/O	Shigarwa/fitarwa
R&D	Bincike & Ci gaba
HW, FW, SW	Hardware, Firmware, Software
GUI	Interface Mai Amfani da Zane
ATE	Kayan Gwaji ta atomatik
HSIO	Babban Gudun I/O

API da Takardun SmartTest

• Wannan jagorar tana goyan bayan kayan aikin AT4079B kuma yana dacewa da Advantest V93000 HSIO gwajin shugaban firam/twinning.
• Duk APIs suna nan don Linux kuma an gwada su a ƙarƙashin Smartest 7. Don jerin APIs da yadda ake amfani da su don Allah a duba babban fayil ɗin “API” akan AT4079B webshafi.
• Wannan jagorar baya bayyana yadda ake sarrafa kayan aiki ta amfani da yanayin SmarTest. Koma zuwa Advantest's webshafin da ke ƙasa don takaddun SmarTest yana lura cewa yana iya canzawa ba tare da sanarwa ba kuma yana buƙatar damar shiga da aka bayar ta hanyar Advantest.
• https://www.advantest.com/service-support/ic-test-systems/software-information-and-download/v93000-software-information-and-download

Kayan samfur

Kayan aikin ya haɗa da software mai zuwa: AT4079B GUI. GUI kayan aiki yana gudana akan Windows XP (32/64 bit), Windows 7,8, da 10.
NOTE. Waɗannan aikace-aikacen suna buƙatar Microsoft .NET Framework 3.5.
Idan ana buƙatar Microsoft.NET Framework 3.5, ana iya saukewa ta wannan hanyar haɗin yanar gizon: http://download.microsoft.com/download/2/0/e/20e90413-712f-438c-988e-fdaa79a8ac3d/dotnetfx35.exe.
Don ƙarin sabuntawar samfuran, duba waɗannan abubuwan webshafi: https://multilaneinc.com/products/at4079b/

Mafi ƙarancin buƙatun PC
Kaddarorin Windows PC na aikace-aikacen AT4079B GUI yakamata su dace da ƙayyadaddun bayanai masu zuwa:

• Windows 7 ko mafi girma
•  Mafi qarancin 1 GB RAM
•  1 Katin Ethernet don kafa haɗi tare da na'urar
•  Mai haɗa USB
•  Pentium 4 processor 2.0 GHz ko fiye
• NET Tsarin 3.5 sp1

NOTE: Ana ba da shawarar haɗa BERT ta hanyar Ethernet zuwa PC ɗaya kawai don hana rikici daga umarnin mai amfani da yawa.
NOTE: Ba a ba da shawarar haɗa kayan aiki zuwa cibiyar sadarwar jinkirin ko haɗa shi ta hanyar WiFi ba

Shigarwa

Wannan sashe yana magana akan shigarwa da kawo kayan aikin. An raba shi zuwa manyan sassa biyu:

•  Fara tsarin
•  Yadda ake haɗawa da kayan aiki

Matakai na Farko
Lokacin da kuka fara karɓar kayan aikin, yana da adireshin IP da aka riga aka tsara daga masana'anta. Ana buga wannan adireshin IP akan lakabin akan kayan aiki. Kuna iya zaɓar kiyaye wannan IP ko canza shi. Idan kana buƙatar canza adireshin IP koma zuwa sashin "Yadda ake canza IP da sabunta firmware".

Haɗa ta hanyar Ethernet
Haɗa PC zuwa jirgin baya ta hanyar haɗin RJ45 ta hanyar kebul na Ethernet don samun damar sarrafa shi. Don haɗa ta hanyar Ethernet, ana buƙatar adireshin IP na allon. Don ƙarin koyo kan yadda ake haɗa kebul na Ethernet je zuwa sashin Haɗa ta hanyar kebul na Ethernet. Lura cewa ba a buƙatar direbobi; kawai ku san adireshin IP na allo na yanzu, kuna buƙatar shigar da shi a cikin akwatin rubutu kusa da alamar IP da aka nuna a hoton da ke ƙasa, sannan danna maɓallin haɗi.

Hoto 1: Haɗa Ta hanyar Ethernet
Yanzu an haɗa ku.

• Da zarar an haɗa, maɓallin Connect zai juya zuwa Cire haɗin.
•  Don tabbatar da cewa an haɗa ku, kuna iya ping na'urar ku.

Yanzu an kunna kayan aikin kuma an haɗa ta ta adireshin IP na dama. Na gaba, kuna buƙatar saita siginar da aka samar. Kodayake AT4079B nau'in kayan aiki ne na ATE, ana iya amfani da shi azaman kowane Multilane BERT kuma ana iya sarrafa shi daga babban BERT GUI na Windows. Wannan misali yana da amfani lokacin warware matsala a saitin. Ana iya zazzage babban BERT GUI daga kamfanin website, ƙarƙashin sashin zazzagewa na AT4079B. Hoto 2: AT4079B GUI A cikin GUI na kayan aikin ku, akwai filayen sarrafawa da yawa waɗanda kowanne yayi bayani a ƙasa.

Filin Haɗin Kayan Aiki
Hoto na 3: Filin Haɗin Kayan Aiki
Abu na farko da kake son yi shine tabbatar da cewa an haɗa ka da kayan aiki. Idan kun kasance, maɓallin haɗin haɗin zai karanta Cire haɗin, kuma koren LED yana haskakawa.

Kulle PLL da Filin Matsayin Zazzabi
Kula da LEDs da kuma karatun zafin jiki a cikin wannan filin. Kulle TX yana nufin cewa an kulle PLL na PPG. Kulle RX yana tafiya kore ne kawai idan an gano sigina na daidaitaccen polarity da nau'in PRBS akan mai gano kuskure.
Idan zafin jiki ya kai 65 ̊C, na'urorin lantarki za su kashe ta atomatik.

Karatun Revision Firmware da aka shigar
Ana nuna sigar firmware da aka shigar a saman kusurwar dama ta GUI.
Hoto na 5: Karanta Sabunta Firmware da aka shigar

Kanfigareshan Rate Na Layi (Ya shafi duk tashoshi lokaci ɗaya)

Hoto 6: Kanfigareshan Layin Layi Wannan shine inda kuka saita bitrate don duk tashoshi 8 ta hanyar buga ƙimar da ake so. Menu mai saukarwa yana lissafin gajeriyar hanya zuwa mafi yawan amfani da bitrates, duk da haka, ba'a iyakance ku ga lissafin kawai ba. Hakanan zaka iya zaɓar shigarwar agogo. Agogon na ciki ta tsohuwa. Ya kamata ku canza zuwa ciyarwar agogon waje kawai lokacin da kuke buƙatar daidaitawa biyu ko fiye da AT4079Bs ga juna a cikin salon maigidan bawa; A wannan yanayin, kuna haɗa agogo a cikin sarkar daisy. Bayan canza daga agogo na ciki zuwa waje kuma akasin haka, dole ne ka danna neman canje-canje don aiwatarwa (wannan yana ɗaukar 'yan daƙiƙa kaɗan).

Yanayin & Saitunan Ƙarewa (Aika zuwa duk tashoshi lokaci ɗaya)
Siffar Hoton Hoton "Ref" yana nuna yawan fitowar agogo. Wannan aiki ne na bitrate kuma zai bambanta bisa ga saitunan agogon ku a ƙarƙashin menu na "Yanayin". Sanin mitar agogo da ake fitarwa ta BERT yana taimakawa lokacin da kake son kunna oscilloscope. Wasu oscilloscopes suna buƙatar mitar agogo sama da 2 GHz. Don samun AT4079B don fitar da waccan, je ƙarƙashin saitunan yanayin kuma zaɓi agogon don zama “Duba”. Zaɓi ma'aunin ƙima domin sakamakon ya kasance cikin kewayon iyaka. Don canzawa tsakanin lambobin NRZ da PAM-4, yi amfani da saitin Yanayin TX, sannan danna Aiwatar. Zaɓuɓɓukan Grey Mapping da DFE pre-coding ana samun su a yanayin PAM4 kawai. DFE Pre-coding yana aika pre-amble don mai karɓar DFE don daidaitawa zuwa kafin a aika da ainihin tsarin PRBS, don guje wa yaduwar kuskuren DFE. Shin mai ƙaddamarwa yana aiwatar da tsarin 1+D don amsawa ga wani ?=???+? shigar da bayanai. A halin yanzu, ƙaddamarwar DFE ta atomatik ne kuma ba zaɓaɓɓen mai amfani ba. Taswirar launin toka yana ba da damar amfani da PRBSxxQ da aka ayyana a cikin IEEE802.3bs. Lokacin da aka kunna taswirar Grey, PRBS13 da PRBS31 a ƙarƙashin tsarin zaɓin menu suna juya zuwa PRBS13Q da PRBS31Q bi da bi. Taswirar launin toka yana sake tsara taswirar alamar zuwa masu zuwa: 00 → 0 01 → 1 11 → 2 10 →

Saitunan Pre-Channel

Kuna iya daidaita waɗannan saitunan akan kowane tashoshi. Wadannan su ne:

Siffar Hoton Hoton AT4079B na iya fitar da kewayon samfuran da aka riga aka tsara. Baya ga tsarin PRBS, akwai layin gwaji da jitter. Har ila yau, a saman tsarin da aka riga aka tsara, mai amfani yana da damar yin la'akari da nasa tsarin - ƙari akan wannan gaba a ƙasa. Lura: Gano kuskure yana aiki ne kawai akan tsarin PRBS da ke cikin jerin zaɓuka na RX. Ba zai yiwu a yi gano kurakurai akan ƙayyadaddun alamu ba. Tsarin al'ada ya ƙunshi filaye 2 tare da haruffa hexadecimal 16 kowanne. Dole ne mutum ya cika filayen biyu tare da duk haruffa hex 32. Kowane hali hex yana da faɗin 4 bits, yana yin alamomin PAM2 guda 4; misaliample 0xF shine 1111 don haka a cikin Grey-coded PAM yankin wannan yana haifar da 22, yana zaton matakan PAM ana nuna su 0, 1, 2, da 3 Ex.ample 2: don watsa siginar matakala 0123, cika filayen tare da maimaita 1E

A cikin menu na Ƙa'idar RX, mutum zai iya bincika duk alamu waɗanda zasu iya gano kuskure tare da su. Lura cewa ƙirar TX da RX dole ne su kasance iri ɗaya don samun makullin RX kuma saboda haka sami damar yin ma'auni. Hakanan, polarity na ƙirar yana da matukar mahimmanci kuma yana yin duk bambanci tsakanin samun makullin RX PLL ko babu kulle kwata-kwata. Kuna iya tabbatar da daidaiton polarity ta haɗa gefen TX-P na kebul zuwa RX-P da TX-N zuwa RX-N. idan baku mutunta wannan doka ba, zaku iya juyar da polarity daga GUI akan gefen RX kawai. Matakan ido na ciki da na waje suna sarrafa manyan ƙima da ƙananan ƙimar idon PAM na tsakiya. Ƙimar sarrafawa masu yuwuwa suna daga 500 zuwa 1500 don kula da ido na ciki da kuma daga 1500 zuwa 2000 don ido na waje. Mafi kyawun ƙimar yawanci suna tsakiyar kewayon. ExampAna nuna saitunan ido na waje a ƙasa Tsohuwar ampAn daidaita ikon litude a cikin ƙimar millivolt amma baya ƙyale ku canza saitunan daidaitawa. Idan kana buƙatar canza saitunan taɓa FFE, da fatan za a je zuwa sannan kunna 'Advanced Settings'. Wannan yana ba ku damar sarrafa ƙimar gaba da gaba ga kowane tashoshi, amma ampBa za a nuna ƙimar litude a millivolt ba. Ta tsohuwa, ana nuna taps guda uku kuma ana iya gyara su. Ka yi tunanin amplitude a matsayin mai daidaita dijital tare da babban famfo, pre-cursor (pre-mphasis), da kuma bayan siginan kwamfuta (bayan jaddadawa). A cikin al'ada na yau da kullun, pre- da post-cursors an saita su zuwa sifili; da ampAna sarrafa litude ta amfani da babban famfo. Babban, pre-, da bayan taps suna amfani da ƙimar dijital tsakanin -1000 da +1000. Ƙarawa da rage pre da post-cursors shima zai shafi amplitude. Da fatan za a tabbatar cewa jimlar pre-, post, da manyan siginan kwamfuta sune ≤ 1000 don samun kyakkyawan aiki. Idan adadin famfo ya wuce 1000, ba za a iya kiyaye layin siginar TX ba.

Tasirin bayan siginan kwamfuta akan bugun bugun jini Mai amfani kuma zai iya shirya madaidaicin taps guda 7 maimakon kawai taps 3 ta danna kan sannan a duba akwatin Saitunan Taps: Bayan amfani da saitunan, ikon tap bakwai zai kasance don gyarawa ƙarƙashin ampmenu na litude. Ana iya ayyana kowane ɗayan famfo 7 azaman babban famfo; a wannan yanayin, taps da suka gabace shi zai zama pre-cursors. Hakanan, famfo masu bin babban famfo zasu zama masu siginan kwamfuta. Yanke shi ne yanayin tsoho. Mai kashe tunani yana cin ƙarin ƙarfi amma yana da amfani ga tashoshi masu ƙarfi waɗanda ke ɗauke da canje-canje na impedance.

ExampTasirin Saitunan Ciki da Waje

Ɗaukar Ma'auni Bit Ratio Ratio Kuskure Don samun damar fara ma'aunin BER, tashoshin kayan aikin yakamata su kasance cikin yanayin madauki, wanda ke nufin tashar TX yakamata a haɗa ta tashar RX kuma tsarin PPG da ED yakamata suyi daidai. Ba lallai ba ne mutum ya buƙaci samar da PRBS daga kayan aikin jiki guda ɗaya - tushen na iya zama kayan aiki daban-daban kuma mai gano kuskure na AT4079B zai iya samun agogon kansa daga bayanan da aka karɓa (babu buƙatar hanyar haɗin agogo daban). Koyaya, idan ana amfani da lambar Grey a cikin tushen, yakamata mutum ya gaya wa mai karɓa ya yi tsammanin lambar Grey shima. Idan akwai wasa a cikin tsari, polarity, da coding amma har yanzu babu kulle, za a iya samun musanyar MSB/LSB a gefe ɗaya.

Sarrafa BER
Ma'aunin BER na iya gudana a cikin ci gaba da yanayin kuma ba zai tsaya ba har sai mai amfani ya shiga tsakani kuma ya danna maɓallin tsayawa. Hakanan za'a iya saita BER don gudanar da naúrar an cimma ƙimar manufa ko har sai an watsa takamaiman adadin ragi (raka'a na gigabits 10). Mai ƙidayar lokaci yana ƙyale mai amfani saita lokaci don BER ya tsaya.

Teburin Sakamako na BER
Ana nuna taƙaitaccen ma'auni na BER a cikin fare mai zuwa:

BER Graph
Ƙimar BER da aka tattara akan jadawali
Hoto 11: BER Graphs

Binciken Histogram
Histogram shine kayan aikin zaɓi don magance hanyar haɗin yanar gizo. Kuna iya la'akari da shi azaman yanki da aka gina a cikin mai karɓar kuma yana aiki ko da ba ku da kullin ƙira. Don duka alamun NRZ da PAM, ana nuna jadawali na histogram kamar haka:
Hoto 12: PAM Histogram

• Mafi ƙarancin kololuwar mafi kyawun aikin siginar PAM kuma ƙarancin jitter. Ana iya haɓaka waɗannan kololuwar ta amfani da abubuwan da aka riga aka ambata.
• Kwatanta iri ɗaya tana aiki kamar na PAM histogram.

Binciken Ratio na Sigina-zuwa-Amo
SNR hanya ce mai ƙididdigewa don auna ƙarfin siginar da aka karɓa - an ba da ita a cikin dB.

Shiga file Tsari

A cikin AT4079B BERT, akwai log file tsarin, inda kowane keɓanta da GUI ke sarrafawa ko wanda ba a kula dashi ba zai sami ceto. Bayan gudu na farko, GUI yana ƙirƙirar a file a cikin babban kundin adireshi/bangaren log kuma yana adana duk keɓantacce da ke akwai. Idan mai amfani ya sami matsala da software, zai iya aika banda file zuwa ga tawagarmu.
Lura: banda file za a share ta atomatik bayan kowane mako 1 na aiki.

Ajiye da Load da Saituna
Kayan aiki koyaushe yana adana saitunan da aka yi amfani da su na ƙarshe a cikin ƙwaƙwalwar mara mara ƙarfi. Ana dawo da waɗannan saitunan ta atomatik lokaci na gaba da kuka haɗa zuwa BERT. Bugu da kari, zaku iya ƙirƙira da adana saitin saitin ku files kuma zai iya komawa zuwa gare su lokacin da ake bukata. Nemo menu na Ajiye/Load a cikin mashaya menu na GUI.

Yadda ake Canja Adireshin IP da Sabunta Firmware
Don bayani game da canza adireshin IP da sabunta firmware na AT4079B, da kyau zazzage babban fayil ɗin "Maintenance" daga https://multilaneinc.com/products/at4079b/. Babban fayil ɗin ya ƙunshi abubuwa masu zuwa:

•  ML Maintenance GUI
• Kebul Driver
• Jagorar Mai Amfani

Takardu / Albarkatu

MultiLane AT4079B GUI Bit Mai Gwajin Kuskuren Ratio [pdf] Manual mai amfani AT4079B, AT4079B GUI Bit Kuskuren Ratio Tester, GUI Bit Ratio Tester, Kuskuren Ratio Tester

Magana

• Manual mai amfani