A cikin aikina, kunna na'urar da samun hoto daga gare ta a nesa mai nisa daga sauyawa ya zama ba aiki mafi sauƙi ba. Musamman ma lokacin da cibiyoyin sadarwa ke fadada daga ƙarfe ɗaya zuwa kyamarori da yawa a nesa daban-daban.
Duk wani ƙari ko ƙasa da na'ura mai rikitarwa yana daskare lokaci-lokaci. Wasu abubuwa ba su da yawa, wasu kuma sun fi yawa, kuma wannan akida ce. Mafi yawan lokuta ana magance wannan...haka ne...da wannan:
Kuma idan babu wasu hannaye masu mahimmanci a daya gefen bututu, dole ne ku ɗaga gindin ku daga kujera kuma kuyi tafiya / tuƙi / tashi zuwa na'urar.
Yana da ban sha'awa musamman idan wannan na'urar tana wani wuri a ƙarƙashin rufin ko a kan sanda ... ko a ofis mai nisa.
Ajiye shine babban bala'in gudanarwa mai nisa. Wani lokaci nasalnik ya sami kyamara / sauya / na'ura mai ba da hanya tsakanin hanyoyin sadarwa a kan Aliexpress kuma yana bayanin dalilin da yasa wannan kayan aikin ya kashe 700 rubles, yayin da wanda kuke bayarwa fiye da 5k na iya zama aikin da ba zai yiwu ba. Musamman idan wannan na'urar ta riga ta kasance kuma mutane suna tuntuɓar ku a kan "me yasa ba ta yi mana aiki ba?" Abokin ciniki koyaushe yana da gaskiya, musamman lokacin da ya kira kaɗan gwargwadon yiwuwa. Kuma wannan yana nufin cewa wannan na'urar mara kyau ta kasar Sin dole ne ta sami 'yancin kai kuma yana da kyau a "harba" kai tsaye tun kafin abokin ciniki ya lura da shi.
Maɓallin PoE da aka sarrafa suna shirye don adana yanayin; sa'a, an gabatar da su da yawa a kasuwa.
Ga kuma lambar matsala ta ɗaya: ta wanene, ko maimakon a saka idanu, ta yadda idan na'urar ta makale, danna umarnin sake saita wutar lantarki akan tashar tashar PoE. Haɓaka da kafa uwar garken yana buƙatar ƙarin motsi na jiki da kayan aiki.
Bari mu ce a wurina: akwai kyamarori na bidiyo 15 kawai, mai rikodin bidiyo da ... shi ke nan. A lokaci guda kuma, 7 suna a nesa da ƙasa da 100 m, wani 5 har zuwa 150, da kuma wani 3 a nesa na 200 m. Wajibi ne don sauƙaƙe abubuwan more rayuwa ta yadda mutane za su iya zuwa wannan rukunin kawai don dalilai na rigakafi.
Maganin abu ne mai sauƙi - sami maɓallin PoE wanda zai iya saka idanu da kyamarori da sake saita wutar lantarki akan tashar jiragen ruwa, kuma "isa" akan kebul akan nisan mita 200+
Mikrotik
Samun takaddun shaida guda biyu (MTCNA da MTCRE), idona ya fara faɗi akan Mikrotik. Wannan masana'anta yana da ƙaramin zaɓi na samfura tare da alamar P, alal misali,
IMHO, ƙananan saitin saiti. Me zai faru idan kyamarar ta ɓace kuma ta rasa pings biyu? - sake yi!
Idan kamara ta mutu kawai fa? Mikrotik zai yanke shi kowane minti daya?..
A cikin aikina, an sami lahani mai yawa a cikin wutar lantarki ta CCR. Menene ma'anar sauyawar PoE idan yana da babban haɗarin rasa wutar lantarki a cikin watanni shida?
Bugu da ƙari, ban sami bayanin cewa Mikrotik zai iya aiki tare da wayoyi aƙalla tsawon mita 150+ ba ...
Zyxel
Yayin da nake nazarin wakilan dillalai masu fafatawa, na ci karo . Canja daga jerin Zyxel GS1350. Kudinsa fiye da Mikrotik, amma ban lura da wata matsala tare da Zyxel ba tare da samar da wutar lantarki "rauni".
Zuksel yana sanya masu sauyawa GS1350 kamar yadda aka ƙirƙira musamman don tsarin sa ido na bidiyo. Masu sauyawa suna gano cewa kyamarar ta makale kuma su sake yin ta ta amfani da wuta.
Hanyar gano makale
Kafin in fara sanin wannan na'ura, na yi tunanin cewa mai kunnawa yana nazarin nau'in zirga-zirgar kuma da zaran bidiyon ya ƙare, maɓallin yana sake saita wutar lantarki ...
Amma komai ya zama mafi sauki.
"Auto PD farfadowa da na'ura" iya aiki a cikin hanyoyi biyu:
- LLDP, wato, na'urar kanta tana ba da bayanai game da kanta, idan, ba shakka, na'urar tana goyan bayanta. Amsar LLDP ta zo, wanda ke nufin yanki na kayan aikin yana "rai". Idan babu amsa, muna tilasta "yanke" ikon kuma mu jira amsa.
- Ping. Ina yafi sauki? Pinging - Babu amsa - Sake kunnawa!
Yawan pings ba tare da amsawa ba, lokacin sake saiti da adadin sake saitin wutar lantarki ana iya daidaita su. Wanne yana da ma'ana sosai, saboda babu wata ma'ana a "harba" yanki na kayan aiki idan bai fara karo na uku ba.
Amma ban fahimta ba: menene ƙwarewa a cikin kyamarori na bidiyo NAN?
Ta wannan hanyar zaku iya saka idanu akan kowace na'urar sadarwa. Ko da wanda baya goyan bayan PoE.
Muna yin odar irin wannan na'urar daga Aliexpress kuma kowace na'urar hanyar sadarwa ta juya zuwa PoE.
Idan na'urar ta daskare, maɓallin zai sake saita wutar lantarki zuwa tashar jiragen ruwa kuma a cikin rajistan ayyukan za mu ga wani abu kamar haka:
233 Sep 07 17:24:41 DE interface: Port 4 - ReoLink link up 100M/F
234 Sep 07 17:24:39 DE interface: Port 4 - ReoLink link down
235 Sep 07 17:24:32 DE interface: Port 4 - ReoLink link up 100M/F
236 Sep 07 17:24:30 DE interface: Port 4 - ReoLink link down
237 Sep 07 17:24:26 NO system: PethPse Port 4 - ReoLink OnOff Trap, Port Detection Status is Delivering Power
238 Sep 07 17:24:24 DE interface: Port 4 - ReoLink link up 100M/F
239 Sep 07 17:24:04 NO system: PethPse Port 4 - ReoLink OnOff Trap, Port Detection Status is Disabled
240 Sep 07 17:24:02 DE interface: Port 4 - ReoLink link down
241 Sep 07 17:24:01 WA interface: Port 4 - ReoLink PD failure is detected and reboot due to Auto PD Recovery (ping mode)Matsakaicin tsayin kebul.
A shafi ya ce:
Amfani da yanayin kewayo mai tsayi a cikin waɗannan maɓallan yana ba ku damar ƙara matsakaicin nisa zuwa na'urori masu ƙarfi zuwa mita 250.
Mun saba da zama masu shakka game da kowace kasida ta talla.
Na murƙushe ƙarshen biyu na sabon bay (mita 305) na makale ɗaya a cikin kyamarar ɗayan kuma a cikin sauyawa. Kamara ba ta tashi ba... Da alama ana tsammanin ^_^
Na zauna, na tabe kabewa, na shiga saitin, na duba akwatin “Tsawaita kewayo", da... goma na shiru - drum roll ... kamara ta fara aiki! A 305 METUR!
Babu asarar fakiti!
Don haka, GS1350 jerin sauyawa bai kai 250 da aka bayyana ba, amma har zuwa mita 305!
Gaskiya ne, watakila yaudarar kuma ta ta'allaka ne a cikin ingancin kebul:
Idan ana buƙatar tsayi mafi girma, zaku iya haɗa sassan kebul da yawa ta wasu nau'ikan mai maimaitawa. Hakanan zaka iya haɗa wani maɓallin waƙa a ƙarshen don haɗa na'urori da yawa.
Misali, ta hanyar UPVEL UP-215SGE (Ban bincika yadda abin dogara yake ba. Na ci karo da shi.) Yana da kanta ta hanyar PoE kuma yana sarrafa na'urori ta hanyar PoE.
Amma wannan batu ne daban don takamaiman yanayi, saboda yana buƙatar ƙira la'akari da duk dalilai.
Lokacin da zaɓin "Extended kewayon" ya kunna, tashar jiragen ruwa za ta shigar da ka'idar 802.3at ta atomatik kuma saita kasafin wutar lantarki zuwa 33W.
Amma yana da daraja saita abubuwan da suka fi dacewa idan duk masu amfani sun fara cin abinci sosai ... Tashar jiragen ruwa tare da ƙananan fifiko, idan akwai ƙarancin wutar lantarki akan sauyawa, za su sami ikon da ake buƙata na ƙarshe.
Kariyar walƙiya
Batu na biyu lokacin sanya na'urori a waje shine kariya daga hawan wuta.
Ƙimar Kariyar ESD/Surge:
ESD - 15 kV / 8 kV (Air / Lamba);
Surge - 4 kV (Ethernet Port).Lura. ESD - Kariyar ƙarfin lantarki, Ƙarawa -
overvoltage kariya. Idan fitarwa a tsaye ta bayyana a cikin iska har zuwa 15
kilovolt, ko 8 kV electrostatics a kusanci, ko hawan wucin gadi
ƙarfin lantarki har zuwa 4 kilovolts - mai canzawa yana da kyakkyawar damar tsira irin wannan
matsaloli.
To, akwai wani wuri akan lamarin don haɗa ƙasa.
Ina fatan ba sai na duba wannan ^_^ ba
PoE mai ci gaba
Yana ba da wuta koda kuwa na'urar ba ta amsawa. Ta tsohuwa ana kunna wannan zaɓi. Kar a manta da duba wannan zaɓi kafin sabunta firmware akan kyamarorinku. In ba haka ba yana iya zama mara dadi ...
Cisco kamar CLI
Ga masu sha'awar wasan bidiyo, kazalika don sarrafa saitin, zaku iya amfani da CLI-style na Cisco da aka saba.
Idan ba ku yi amfani da su ba, misali, telnet/snmp da sauran ka'idoji, to ina ba da shawarar kashe su don ƙara tsaro na na'urar.
Ba tare da kuda a cikin maganin shafawa ba ...
Canjin yana da abun menu "Gudanar da girgije"
Amma idan muka yi ƙoƙarin yin rajista muna samun wannan
A halin yanzu tallafi ga waɗannan na'urori shine har yanzu ba a kunna ba. Kamfanin ya yi alkawarin ƙara su a cikin 2020. A lokaci guda, ba za ku buƙaci sabunta firmware mai canzawa ba!
ƙarshe
Zyxel GS1350 ya zuwa yanzu shine kawai canji wanda ya gamsar da buƙatuna:
- sarrafa tare da daidaitaccen saitin ayyuka
- tsawon na USB 200+ mita ba tare da haɗin gwiwa ba
- saka idanu da sake kunna masu amfani da PoE
- sauƙi da sassauci na daidaitawa.
Wataƙila akwai wasu mafita a kasuwa waɗanda za su biya bukatuna, amma ban sami su ba tukuna.
Ina gayyatar waɗanda ke son tattauna labarin zuwa Telegram a cikin tattaunawar da na ƙirƙira:
1. - Tattaunawar jigo akan Zyxel
2. - Tattaunawar jigo akan Mikrotik
source: www.habr.com