{"id":38005,"date":"2019-10-31T22:21:08","date_gmt":"2019-10-31T19:21:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/poe-na-rasstoyanii-200-metrov-monitoring-i-avtomaticheskij-perezapusk-poe-klientov\/"},"modified":"2019-10-31T22:21:08","modified_gmt":"2019-10-31T19:21:08","slug":"poe-na-rasstoyanii-200-metrov-monitoring-i-avtomaticheskij-perezapusk-poe-klientov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/poe-na-rasstoyanii-200-metrov-monitoring-i-avtomaticheskij-perezapusk-poe-klientov","title":{"rendered":"PoE n\u00eb nj\u00eb distanc\u00eb prej 200+ metrash. Monitorimi dhe rinisja automatikisht e klient\u00ebve PoE","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb praktik\u00ebn time, furnizimi i nj\u00eb pajisjeje dhe marrja e nj\u00eb pamjeje prej saj n\u00eb nj\u00eb distanc\u00eb t\u00eb konsiderueshme nga switshi doli t\u00eb jet\u00eb nj\u00eb detyr\u00eb e thjesht\u00eb. Sidomos kur nga nj\u00eb pajisje dalin rrjetet p\u00ebr disa kamera n\u00eb distanca t\u00eb ndryshme. <\/p>\n

\u00c7do pajisje disi e komplikuar nganj\u00ebher\u00eb ngec. Disa m\u00eb rrall\u00eb, disa m\u00eb shpesh, dhe kjo \u00ebsht\u00eb nj\u00eb doktrin\u00eb. M\u00eb s\u00eb shpeshti, kjo zgjidhet\u2026 e sakt\u00eb\u2026 me k\u00ebt\u00eb: <\/p>\n

\"PoE
\n
\nDhe n\u00ebse nga ana tjet\u00ebr e tubit nuk ka duar t\u00eb nevojshme, do t\u00eb duhet t\u00eb heq\u00ebsh t\u00eb shkuar\u00ebn t\u00ebnde nga nj\u00eb karrige dhe t\u00eb shkosh\/shkosh me makin\u00eb\/t\u00eb fluturosh drejt pajisjes. <\/p>\n

Ve\u00e7an\u00ebrisht jo e k\u00ebndshme, n\u00ebse ky aparat ndodhet ndokund n\u00ebn nj\u00eb \u00e7ati ose n\u00eb nj\u00eb shtyll\u00eb\u2026 ose n\u00eb nj\u00eb zyr\u00eb t\u00eb larg\u00ebt. <\/p>\n

Kursimi \u00ebsht\u00eb nj\u00eb problem kryesor n\u00eb administrimin n\u00eb distanc\u00eb. Ndonj\u00ebher\u00eb, shefi yn\u00eb gjen nj\u00eb kamer\u00eb\/switch\/router n\u00eb AliExpress dhe shpjegon se pse ky pajisje kushton 700 rubla, nd\u00ebrsa ajo q\u00eb ofroni \u00ebsht\u00eb mbi 5,000, nj\u00eb detyr\u00eb e pamundur. Sidomos n\u00ebse ky pajisje \u00ebsht\u00eb tashm\u00eb n\u00eb dispozit\u00eb dhe ju kontaktojn\u00eb duke pyetur \"pse kjo nuk funksionon?\" Klienti gjithmon\u00eb ka t\u00eb drejt\u00eb, ve\u00e7an\u00ebrisht kur telefonon, sa m\u00eb pak q\u00eb t\u00eb jet\u00eb e mundur. Kjo do t\u00eb thot\u00eb se ky produkt i keq kinez duhet t\u00eb ket\u00eb nj\u00eb far\u00eb autonomie dhe \u00ebsht\u00eb e d\u00ebshirueshme q\u00eb t\u00eb \"shk\u00ebputet\" automatikisht para se klienti ta v\u00eb re at\u00eb. <\/p>\n

Situat\u00ebn do ta shp\u00ebtojn\u00eb switch-at PoE t\u00eb menaxhuar, s\u00eb paku n\u00eb tregun e tyre ka shum\u00eb. <\/p>\n

Dhe k\u00ebtu \u00ebsht\u00eb problemi num\u00ebr Nj\u00eb: kush ose m\u00eb mir\u00eb, \u00e7far\u00eb do t\u00eb monitoroj\u00eb, n\u00eb m\u00ebnyr\u00eb q\u00eb n\u00eb rast t\u00eb \"ngjashm\u00ebris\u00eb\" s\u00eb pajisjes t\u00eb d\u00ebrgoj\u00eb nj\u00eb komand\u00eb p\u00ebr t\u00eb rikthyer energjin\u00eb n\u00eb portin e switch-it PoE. Ngritja dhe konfiguroja e serverit jan\u00eb veprime t\u00eb tjera dhe pajisje t\u00eb tjera. <\/p>\n

Supozoni se n\u00eb objekti im: ka gjithsej 15 kamera videov\u00ebzhgimi, nj\u00eb regjistrues videosh dhe\u2026 asgj\u00eb tjet\u00ebr. Nga k\u00ebto, 7 jan\u00eb m\u00eb pak se 100 m larg, 5 deri n\u00eb 150 m, dhe 3 n\u00eb nj\u00eb distanc\u00eb prej 200 m. Duhet t\u00eb thjeshtojm\u00eb infrastruktur\u00ebn n\u00eb m\u00ebnyr\u00eb q\u00eb t\u00eb vijm\u00eb n\u00eb k\u00ebt\u00eb objekt vet\u00ebm p\u00ebr manutimin.<\/p>\n

Zgjidhja \u00ebsht\u00eb mjaft e thjesht\u00eb \u2013 nj\u00eb switch PoE q\u00eb mund t\u00eb monitoroj\u00eb kamerat dhe t\u00eb rikthej\u00eb energjin\u00eb n\u00eb port, si dhe t\u00eb arrij\u00eb p\u00ebrmes kabllit n\u00eb nj\u00eb distanc\u00eb mbi 200 metra. \u00abpa asnj\u00eb nd\u00ebrprerje\u00bb. <\/a><\/noindex>
\n<\/a><\/noindex><\/p>\n

Mikrotik<\/h2>\n

\nDuke pasur dy certifikata (MTCNA dhe MTCRE), v\u00ebmendja ime fillimisht ishte te Mikrotik. Ky prodhues ka nj\u00eb zgjedhje t\u00eb vog\u00ebl t\u00eb modeleve me indeksin P, p\u00ebr shembull, kjo k\u00ebtu.<\/a><\/noindex>
\n\"PoE
\nIMHO, grupi i cil\u00ebsimeve \u00ebsht\u00eb shum\u00eb i vog\u00ebl. \u00c7far\u00eb do t\u00eb ndodh\u00eb n\u00ebse kamera ngec dhe humbet disa ping? \u2014 n\u00eb reboot! <\/p>\n

E n\u00ebse kamera thjesht ka vdekur? A do ta ndaj\u00eb Mikrotik \u00e7do minut\u00eb?.. <\/p>\n

N\u00eb praktik\u00ebn time kam pasur nj\u00eb num\u00ebr t\u00eb madh defektesh n\u00eb CCR p\u00ebr bllokun e energjis\u00eb. \u00c7far\u00eb kuptimi ka n\u00eb nj\u00eb switch PoE, n\u00ebse ka rrezik t\u00eb lart\u00eb t\u00eb d\u00ebshtoj\u00eb p\u00ebr shkak t\u00eb energjis\u00eb pas gjasht\u00eb muajsh?..<\/p>\n

P\u00ebr m\u00eb tep\u00ebr, nuk kam gjetur informacione q\u00eb Mikrotik t\u00eb punoj\u00eb me kabuj q\u00eb kan\u00eb gjat\u00ebsi t\u00eb pakt\u00ebn 150+ metra\u2026<\/p>\n

Zyxel<\/h2>\n

\nGjat\u00eb shqyrtimit t\u00eb p\u00ebrfaq\u00ebsuesve t\u00eb konkurrent\u00ebve, u takova me Habr<\/a><\/noindex>. Switch nga Zyxel seria GS1350. Kushton ndjesh\u00ebm m\u00eb shum\u00eb se Mikrotik, por deri tani nuk kam hasur n\u00eb probleme me \"blloqet e dob\u00ebta\" t\u00eb energjis\u00eb nga Zyxel. <\/p>\n

Zyxel pozicionon switch-et GS1350 si t\u00eb krijuar ve\u00e7an\u00ebrisht p\u00ebr sistemet e videov\u00ebzhgimeve. Switch-et p\u00ebrcaktojn\u00eb se kur kamera \"ngel\" dhe riaktivizojn\u00eb energjin\u00eb e saj.<\/p>\n

Metoda e identifikimit t\u00eb ngeljes<\/h3>\n

\nPara se t\u00eb filloja t\u00eb njihem me k\u00ebt\u00eb pajisje, mendova se switch-i analizon llojin e trafikut dhe sa her\u00eb q\u00eb rrjedha video p\u00ebrfundon \u2014 switch-i rindez energjin\u00eb...
\nPor gjith\u00e7ka ishte shum\u00eb m\u00eb e thjesht\u00eb. <\/p>\n

\"PoE
\n
\n\"Auto PD Recovery\"<\/b> mund t\u00eb punoj\u00eb n\u00eb dy metoda:<\/p>\n

    \n
  1. LLDP<\/b>, dometh\u00ebn\u00eb pajisja vet\u00eb jep informacion rreth vetes, n\u00ebse natyrisht pajisja mb\u00ebshtet. N\u00ebse p\u00ebrgjigjja e LLDP vjen \u2014 do t\u00eb thot\u00eb q\u00eb pajisja \u00ebsht\u00eb \"e gjall\u00eb\". N\u00ebse nuk ka p\u00ebrgjigje \u2013 kemi prer\u00eb energjin\u00eb dhe presim p\u00ebrgjigjen. <\/li>\n
  2. Ping<\/b>. M\u00eb e thjesht\u00eb se kaq? Pingojm\u00eb \u2014 Nuk ka p\u00ebrgjigje \u2014 Rindezim!<\/li>\n<\/ol>\n

    \nNumri i pingjeve pa p\u00ebrgjigje, koha e rinisjes dhe numri i rinisjeve t\u00eb energjis\u00eb p\u00ebrcaktohen. Kjo \u00ebsht\u00eb krejt logjike, sepse nuk ka asnj\u00eb kuptim \"t\u00eb godas\u00ebsh\" pajisjen, n\u00ebse ajo nuk \u00ebsht\u00eb ndezur q\u00eb n\u00eb tentativ\u00ebn e tret\u00eb.<\/p>\n

    Por vet\u00ebm nuk e kuptova: \u00e7far\u00eb \u00ebsht\u00eb specializimi k\u00ebtu n\u00eb kamerat video?
    \nMe k\u00ebt\u00eb m\u00ebnyr\u00eb mund t\u00eb monitoroni \u00e7do pajisje rrjetore. Edhe at\u00eb q\u00eb nuk mb\u00ebshtet PoE. <\/p>\n

    Kemi porositur nj\u00eb pajisje t\u00eb till\u00eb nga AliExpress dhe \u00e7do pajisje rrjetore b\u00ebhet PoE p\u00ebr ne.<\/b>\"PoE
    \n
    \nN\u00eb rast se pajisja ngec, switch-i do t\u00eb rifreskoj\u00eb energjin\u00eb n\u00eb port dhe n\u00eb log ne do t\u00eb shohim di\u00e7ka t\u00eb till\u00eb: <\/p>\n

    233 Sep 07 17:24:41 DE interface: Port 4 - ReoLink lidhja \u00ebsht\u00eb aktive 100M\/F\n 234 Sep 07 17:24:39 DE interface: Port 4 - ReoLink lidhja \u00ebsht\u00eb e mbyllur\n 235 Sep 07 17:24:32 DE interface: Port 4 - ReoLink lidhja \u00ebsht\u00eb aktive 100M\/F\n 236 Sep 07 17:24:30 DE interface: Port 4 - ReoLink lidhja \u00ebsht\u00eb e mbyllur\n 237 Sep 07 17:24:26 NO system: PethPse Port 4 - ReoLink OnOff Trap, Statusi i Zbulimit t\u00eb Portit \u00ebsht\u00eb duke ofruar Porosi\n 238 Sep 07 17:24:24 DE interface: Port 4 - ReoLink lidhja \u00ebsht\u00eb aktive 100M\/F\n 239 Sep 07 17:24:04 NO system: PethPse Port 4 - ReoLink OnOff Trap, Statusi i Zbulimit t\u00eb Portit \u00ebsht\u00eb i \u00c7aktivizuar\n 240 Sep 07 17:24:02 DE interface: Port 4 - ReoLink lidhja \u00ebsht\u00eb e mbyllur\n 241 Sep 07 17:24:01 WA interface: Port 4 - ReoLink \u00ebsht\u00eb zbuluar nj\u00eb d\u00ebshtim PD dhe rifillim p\u00ebr shkak t\u00eb Rikuperimit Automatik PD (modaliteti ping)<\/code><\/pre>\n
    <\/p>\n
    Gjat\u00ebsia maksimale e kabllit.<\/h3>\n
    \nN\u00eb faqe Zyxel <\/a><\/noindex>thuhet:<\/p>\n
     P\u00ebrdorimi i modit t\u00eb gam\u00ebs s\u00eb zgjeruar n\u00eb k\u00ebto switch-e ofron mund\u00ebsin\u00eb p\u00ebr t\u00eb rritur distanc\u00ebn maksimale deri n\u00eb 250 metra ndaj pajisjeve t\u00eb furnizuar. \n<\/p><\/blockquote>\n
     Kemi m\u00ebsuar t\u00eb jemi skeptik\u00eb ndaj \u00e7do broshure reklamimi. <\/p>\n
    I connected two ends of the new cable (305 meters) and plugged one into the camera and the other into the switch. The camera didn't start... As expected ^_^<\/p>\n
    I sat down, scratched my head \u2013 went into settings, checked the box for \u201cExtended range<\/b>,\u201d and\u2026 about ten seconds of silence \u2013 drumroll\u2026 the camera started working! At 305 METERS!
    \n\"PoE
    \nWithout any packet loss!<\/b>\"PoE
    \n\"PoE
    \n
    \nThus, the GS1350 series switch reached not the claimed 250 meters, but a full 305 meters!<\/b><\/p>\n
    However, the quality of the cable may also play a part:
    \n    Rexant FTP Cat.6, which cost me almost 12,000 rubles.<\/a><\/noindex><\/p>\n
    \"PoE
    \n
    \n\"PoE
    \n
    \nIf a longer length is required, you can connect several cable segments through a repeater. You can also connect another PoE switch at the end to connect multiple devices. <\/p>\n
    For example, using the UPVEL UP-215SGE (I haven't checked how reliable it is. It just came into my hands.)<\/i> It is powered by PoE and supplies power to devices via PoE. <\/p>\n
    \"PoE
    \n
    \nBut that's a separate topic for specific conditions, as it requires design considering all factors.<\/p>\n
    When the \u201cExtended range\u201d option is enabled, the port automatically sets the 802.3at protocol and defines a power budget of 33W. <\/p>\n
    Por \u00ebsht\u00eb e r\u00ebnd\u00ebsishme t\u00eb vendosni prioritetet p\u00ebr kur t\u00eb gjith\u00eb p\u00ebrdoruesit fillojn\u00eb t\u00eb konsumojn\u00eb aktivisht... Portet me prioritet t\u00eb ul\u00ebt, n\u00eb rast t\u00eb munges\u00ebs s\u00eb fuqis\u00eb n\u00eb switch, do t\u00eb marrin fuqit\u00eb e k\u00ebrkuara si t\u00eb fundit. <\/p>\n
    Mbrojtja nga stuhit\u00eb <\/h3>\n
    \nPyetja e dyt\u00eb kur vendosni pajisjet n\u00eb aj\u00ebr t\u00eb fresk\u00ebt \u00ebsht\u00eb mbrojtja nga ndryshimet e tensionit.<\/p>\n
    Vlera e Mbrojtjes ESD\/Surge:
    \nESD \u2013 15 kV \/ 8 kV (Aj\u00ebr\/Kontakt);
    \nSurge \u2013 4 kV (Porti Ethernet).<\/p>\n
    Sh\u00ebnim. ESD \u2013 mbrojtje nga tensioni elektrostatik, Surge \u2013
    \nmbrojtje nga mbingarkesa. N\u00ebse ndodh nj\u00eb shkarkim statik n\u00eb aj\u00ebr deri n\u00eb 15
    \nkilovolt, ose 8 kV elektrostatik me kontakt t\u00eb af\u00ebrt, ose nj\u00eb ngritje e p\u00ebrkohshme
    \ne tensionit deri n\u00eb 4 kilovolt \u2014 switch-i ka mund\u00ebsi t\u00eb mira p\u00ebr t\u00eb mbijetuar
    \nk\u00ebt\u00eb lloj t\u00eb pap\u00ebrshtatshm\u00ebrie.<\/p><\/blockquote>\n
     Po ashtu, ka vende p\u00ebr t\u00eb lidhur m\u00ebnyr\u00ebn e zgjidhjes. 
    \nShpresoj q\u00eb t\u00eb mos kem nevoj\u00eb ta kontrolloj k\u00ebt\u00eb ^_^<\/p>\n
    PoE e vazhdueshme<\/b><\/p>\n
    Siguron energji edhe n\u00ebse pajisja nuk p\u00ebrgjigjet. Nga default, kjo mund\u00ebsi \u00ebsht\u00eb e aktivizuar. Mos harroni t\u00eb kontrolloni k\u00ebt\u00eb opsion para se t\u00eb p\u00ebrdit\u00ebsoni versionet e softuerit n\u00eb kamerat. P\u00ebrndryshe mund t\u00eb jet\u00eb e pak\u00ebndshme...<\/p>\n
    \"PoE
    \n<\/p>\n
    CLI si Cisco<\/h3>\n
    \nP\u00ebr adhuruesit e konsolave, dhe po ashtu p\u00ebr automatizimin e konfigurimit, mund t\u00eb p\u00ebrdorni CLI-in e njohur n\u00eb stilin Cisco.<\/p>\n
    \"PoE
    \n
    \nN\u00ebse nuk po p\u00ebrdorni, p\u00ebr shembull, telnet\/snmpe dhe protokollet e tjera, e rekomandoj t'i fikni ato p\u00ebr t\u00eb rritur sigurin\u00eb e pajisjes. <\/p>\n
    \u041d\u0435 \u0431\u0435\u0437 \u043b\u043e\u0436\u043a\u0438 \u0434\u0451\u0433\u0442\u044f…<\/h3>\n
    \nN\u00eb switch ka nj\u00eb pik\u00eb menaxhimi \u00abCloud Management\u00bb<\/p>\n
    \"PoE
    \n
    \nPor kur p\u00ebrpiqemi t\u00eb regjistrohemi marrim k\u00ebt\u00eb<\/p>\n
    \"PoE
    \n
    \nAktualisht mb\u00ebshtetja p\u00ebr k\u00ebto pajisje n\u00eb     Nebula<\/a><\/noindex> ende nuk \u00ebsht\u00eb aktivizuar. Prodhuesi premton t'i shtoj\u00eb ato n\u00eb vitin 2020. Nd\u00ebrkoh\u00eb, nuk do t\u00eb jet\u00eb e nevojshme t\u00eb p\u00ebrdit\u00ebsoni firmware-in e switch-it!<\/p>\n
    P\u00ebrfundimi<\/h3>\n
    \nZyxel GS1350 \u00ebsht\u00eb deri tani switch-i i vet\u00ebm q\u00eb ka plot\u00ebsuar k\u00ebrkesat e mia:<\/p>\n