Ganowa, Bayyanawa, da kuma Kula da Wuraren da ke da Matsala a cikin Kebul ɗin gani

A fannin gina kebul na gani, aikin rage gudu muhimmin ma'aunin kimantawa ne. Dangane da yanayin layi na gargajiya, wannan labarin yana nazarin wurare da hanyoyin sarrafa wuraren rage gudu masu yawa a cikin layukan kebul na gani.

I. Wuraren da aka fi sani da wuraren da ke da yawan raguwar zafi

Bayan kammala haɗa kebul, yawanci ana yin gwajin OTDR a kan dukkan sashin relay. Wannan gwajin yana tabbatar ko halayen gani na kebul ɗin da aka haɗa sun cika ƙa'idodin gini da ƙa'idodin karɓuwa. Kimantawa ta ƙunshi:

• Ko jimlar raguwar sashin relay ya yi ƙasa da ƙayyadaddun ƙira (watau, ko matsakaicin ƙimar ragewa ya cika buƙatun)

• Ko matsakaicin asarar haɗin gwiwa mai kusurwa biyu ya cika ƙa'idodin karɓa da buƙatun ƙira

• Ko gangaren lanƙwasa na baya-bayan yana da daidaito kuma santsi, ba tare da manyan matakan rage gudu ba sai ƙananan matakai da asarar haɗin gwiwa ta al'ada ke haifarwa

Lokacin amfani da OTDR don gwada sashin relay da kuma gano wuraren rage gudu masu yawa, yana da mahimmanci a saita sigogi daidai kamar kewayon, tsawon rai, faɗin bugun jini, ma'aunin refractive, da matsakaicin lokaci:

• Zangon gwaji:Saita bisa ga tsawon sashin relay ta yadda lanƙwasa za ta mamaye kusan 2/3 na allon nuni

• Tsawon Raƙuman Ruwa:Yawanci 1310 nm da 1550 nm don kebul na akwati mai nisa

• Ma'aunin haske:Saiti bisa ga ƙayyadaddun bayanan masana'antar zare

• Faɗin bugun jini:Maɓalli mai mahimmanci—ƙarami yana haifar da rashin isasshen kewayon motsi da lanƙwasa masu hayaniya; girma da yawa yana rage daidaiton aunawa. Ya kamata a zaɓe shi bisa ga buƙatun nisa da daidaito.

• Matsakaicin lokaci:Daidaita har sai wutsiyar lanƙwasa ta yi santsi ba tare da wani amo mai bayyana ba

Domin gano wuraren da suka dace daidai, ana iya amfani da manhajar nazarin OTDR. Kurakurai gabaɗaya sun kasu kashi biyu: kurakurai na akwatin haɗin gwiwa da kuma kurakurai na jikin kebul.

II. Kula da Ma'aunin Rage Rage Yawan Ragewa

Da farko, a tantance ko wurin rage girman yana a wurin da aka haɗa. A wuraren haɗakar, duk zaruruwa galibi suna nuna matakan rage girman matakan digiri daban-daban. Ta hanyar nazarin lanƙwasa zaruruwa da yawa a lokaci guda, idan duk lanƙwasa suka nuna matakai a wuri ɗaya, wataƙila matsalar haɗakarwa ce.

• Auna kuma a ƙididdige asarar haɗin gwiwa biyu a wannan lokacin

• Yi rikodin duk wani ƙima da ya wuce ƙa'idodi

• Buɗe rufewar haɗin kuma yi ayyukan gyara

Idan wasu zare ne kawai ke nuna raguwa a wani wuri yayin da wasu kuma ba sa nuna raguwa, matsalar ba ta shafi haɗin kebul ba ne, amma matsala ce a cikin jikin kebul.

Hanyoyin Wurin Laifi

• Kurakurai Masu Kusa:Yi amfani da OTDR daga tashar don auna nisan daga wurin haɗin da ke kusa

• Matsalolin da ke da alaƙa da ƙarshen ƙarshe:Saboda raguwar daidaito a tsawon nisa, gwada daga rufewar haɗin da ke kusa maimakon

• Haɗa bayanan OTDR tare da bayanan gini da bayanan slack

• Yi ma'aunin filin don gano matsalar a cikin kewayon kimanin mita 10

Wannan hanyar tana rage girman haƙa rami, tana rage farashi, kuma tana rage lokacin gyara.

Hanyoyin Gyara

1. Kurakuran Maɓallin Haɗin Kai

• Buɗe rufewar haɗin kuma sake haɗa zaruruwa

• Saka idanu a ainihin lokaci ta amfani da OTDR har sai an cimma matakan asara masu karɓuwa

Idan maimaita haɗin ya gaza:

• Duba don ganin nakasu na bututun fiber buffer

• Tabbatar da ingantaccen radius mai lanƙwasa yayin naɗa zare

• Duba don matsi na zare

Idan matsaloli suka ci gaba, duba sassan kebul kafin da kuma bayan haɗin. Idan ana zargin lalacewa, a yanke sannan a sake haɗa dukkan zare.

2. Lalacewar Jikin Kebul

Dalilan da suka fi yawa sun haɗa da:

• Lanƙwasa ko karkatar da kebul

• Lalacewar injiniya ta waje (misali, matsin lamba daga duwatsu da ke haifar da nakasa)

• Nakasar bututun buffer wanda ke haifar da matsi a cikin zare

Mafita:

• A yanke sashen da ya lalace sannan a sake haɗa shi

• Don mummunan lalacewa, shigar da rufewar haɗin gwiwa kuma gyara zaruruwan da abin ya shafa

• Idan ya cancanta, cire murfin waje sannan a gyara ko a maye gurbin bututun buffer da suka lalace

Matakan Rigakafi

• Duba tsawon kebul ɗin kafin a haɗa shi

• Yanke ƙarin tsayi daga ƙarshen kebul mai zargi don guje wa ɓarna da aka ɓoye

• Bar isasshen jinkiri a wuraren rauni da aka sani don sauƙin gyarawa nan gaba

Bukatun Gwaji

Ya kamata ma'aikatan gwaji su yi aiki tare da masu fasaha a fagen kuma su yi gwaje-gwajen OTDR a matakai masu zuwa:

1. Bayan an gama haɗawa

2. Bayan an gama haɗa fiber coil

3. Bayan rufewar haɗin gwiwa

Sai bayan tabbatar da cewa an warware matsalolin rage saurin ne kawai sai ƙungiyar ta bar shafin.