{"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 rikthimi automatik i klient\u00ebve PoE.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb praktiken time, aktivizimi i nj\u00eb pajisjeje dhe marrja e nj\u00eb imazhi prej saj n\u00eb nj\u00eb distanc\u00eb t\u00eb konsiderueshme nga switchi u tregua se nuk ishte nj\u00eb detyr\u00eb shum\u00eb e leht\u00eb. Ve\u00e7an\u00ebrisht kur nga nj\u00eb pajisje largohen rrjeta p\u00ebr disa kamera n\u00eb distanca t\u00eb ndryshme. <\/p>\n

\u00c7do pajisje q\u00eb ka nj\u00eb far\u00eb kompleksiteti ngandonj\u00ebher\u00eb ngec. Disa m\u00eb shpesh, disa m\u00eb rrall\u00eb, dhe kjo \u00ebsht\u00eb nj\u00eb dogm\u00eb. Shpesh, kjo zgjidhet... e sakt\u00eb... me k\u00ebt\u00eb: <\/p>\n

\"PoE
\n
\nDhe n\u00ebse nga ana tjet\u00ebr e tubit nuk do t\u00eb ket\u00eb duar t\u00eb nevojshme, do t\u00eb duhet t\u00eb heq\u00ebsh pes\u00eb pjes\u00ebt e tua nga stoli dhe t\u00eb shkosh\/jesh\/leht\u00ebsohesh tek pajisja. <\/p>\n

Ve\u00e7an\u00ebrisht e pak\u00ebndshme \u00ebsht\u00eb n\u00ebse kjo pajisje \u00ebsht\u00eb ndonj\u00ebher\u00eb n\u00ebn nj\u00eb \u00e7ati ose n\u00eb nj\u00eb shtyll\u00eb... ose n\u00eb nj\u00eb zyr\u00eb t\u00eb larg\u00ebt. <\/p>\n

Kursimi \u00ebsht\u00eb bashk\u00ebshorti kryesor i administrat\u00ebs s\u00eb larg\u00ebt. Ndonj\u00ebher\u00eb, shefi i projektit gjen n\u00eb AliExpress nj\u00eb kamer\u00eb\/switch\/router dhe t\u00eb shpjegosh pse kjo pajisje kushton 700 rubla, nd\u00ebrsa ajo q\u00eb ofroni \u00ebsht\u00eb m\u00eb shum\u00eb se 5k mund t\u00eb jet\u00eb nj\u00eb detyr\u00eb e pap\u00ebrballueshme. Ve\u00e7an\u00ebrisht n\u00ebse kjo pajisje \u00ebsht\u00eb tashm\u00eb n\u00eb dispozicion dhe t\u00eb drejtohen te ti me parimin \"pse kjo nuk funksionon?\". Klienti gjithmon\u00eb ka t\u00eb drejt\u00eb, ve\u00e7an\u00ebrisht kur telefonon, sa m\u00eb rrall\u00eb. Dhe kjo do t\u00eb thot\u00eb se ky pajisje e keqe kineze duhet t\u00eb ket\u00eb nj\u00eb far\u00eb autonomi dhe \u00ebsht\u00eb e preferueshme q\u00eb t\u00eb \"shk\u00ebputet\" automatikisht q\u00eb para se klienti ta v\u00ebrej\u00eb. <\/p>\n

Situat\u00ebn mund ta shp\u00ebtojn\u00eb switch-at PoE t\u00eb menaxhuesh\u00ebm, e mira \u00ebsht\u00eb se ata jan\u00eb t\u00eb pranish\u00ebm n\u00eb treg n\u00eb nj\u00eb num\u00ebr t\u00eb madh. <\/p>\n

Dhe k\u00ebtu \u00ebsht\u00eb problemi num\u00ebr Nj\u00eb: t\u00eb monitorosh me \u00e7far\u00eb ose m\u00eb sakt\u00eb, me \u00e7far\u00eb t\u00eb realizosh monitorimin, q\u00eb n\u00eb rast \"ngrirjeje\" t\u00eb pajisjes t\u00eb d\u00ebrgosh nj\u00eb komand\u00eb p\u00ebr t\u00eb rikthyer energjin\u00eb n\u00eb portin e switch-it PoE. Ngritja dhe konfigurimi i serverit \u00ebsht\u00eb nj\u00eb tjet\u00ebr l\u00ebvizje dhe pajisje. <\/p>\n

Supozoni se kam n\u00eb objekt: gjithsej 15 kamera video, nj\u00eb regjistrues video dhe... gjith\u00e7ka. N\u00eb k\u00ebt\u00eb rast, 7 jan\u00eb brenda 100 m, 5 deri n\u00eb 150, dhe 3 n\u00eb distanc\u00eb 200 m. Duhet ta thjeshtoj infrastruktur\u00ebn q\u00eb t\u00eb vij n\u00eb k\u00ebt\u00eb objekt vet\u00ebm p\u00ebr profilaksin\u00eb.<\/p>\n

Zgjidhja \u00ebsht\u00eb mjaft e thjesht\u00eb \u2013 nj\u00eb switch PoE q\u00eb di t\u00eb monitoroj\u00eb kamerat dhe t\u00eb rikthej\u00eb energjin\u00eb n\u00eb port, si dhe \"arrin\" n\u00ebp\u00ebr kabllo n\u00eb distanca mbi 200 metra. \u201epa ndales\u00eb\u201d. <\/a><\/noindex>
\n<\/a><\/noindex><\/p>\n

Mikrotik<\/h2>\n

\nMe dy certifikata (MTCNA dhe MTCRE), v\u00ebmendja ime fillimisht ra mbi Mikrotik. Zgjedhja e k\u00ebtij prodhuesi p\u00ebr modele me indeksin P \u00ebsht\u00eb e vog\u00ebl, p\u00ebr shembull, kjo.<\/a><\/noindex>
\n\"PoE
\nSipas mendimit tim, seti i konfigurimeve \u00ebsht\u00eb shum\u00eb i vog\u00ebl. \u00c7far\u00eb do t\u00eb ndodh\u00eb n\u00ebse kamera ngec dhe humbet disa ping-e? \u2013 po e ributoni! <\/p>\n

Dhe n\u00ebse kamera thjesht ndalon s\u00eb funksionuari? Mikroti do ta ndaloj\u00eb \u00e7do minut\u00eb?.. <\/p>\n

N\u00eb praktik\u00ebn time kam pasur nj\u00eb num\u00ebr t\u00eb madh problemesh me CCR p\u00ebr bllokun e energjis\u00eb. \u00c7far\u00eb kuptimi ka nj\u00eb switc PoE, n\u00ebse ka nj\u00eb rrezik t\u00eb lart\u00eb p\u00ebr t\u00eb ndaluar p\u00ebr energji pas gjasht\u00eb muajve?..<\/p>\n

P\u00ebr m\u00eb tep\u00ebr, nuk kam gjetur informacione q\u00eb Mikroti mund t\u00eb punoj\u00eb me kabuj t\u00eb gjat\u00eb, t\u00eb pakt\u00ebn 150+ metra...<\/p>\n

Zyxel<\/h2>\n

\nGjat\u00eb studimit t\u00eb p\u00ebrfaq\u00ebsuesve t\u00eb furnizuesve konkurrues, kam hasur n\u00eb Habr\u00eb.<\/a><\/noindex>. Switci nga Zyxel seris\u00eb GS1350. Kushton duksh\u00ebm m\u00eb shum\u00eb se Mikroti, por nuk kam v\u00ebrejtur probleme me \"blloket e dob\u00ebta\" t\u00eb energjis\u00eb nga Zyxel. <\/p>\n

Zyxel e pozicionon switcin GS1350 si t\u00eb krijuar ve\u00e7an\u00ebrisht p\u00ebr sistemet e mbik\u00ebqyrjes video. Switcat p\u00ebrcaktojn\u00eb se kamera \"\u00ebsht\u00eb ngecur\" dhe e ributon at\u00eb p\u00ebrmes energjis\u00eb.<\/p>\n

Metoda e p\u00ebrcaktimit t\u00eb ngecjes<\/h3>\n

\nPara se t\u00eb filloja t\u00eb b\u00ebja njohuri me k\u00ebt\u00eb pajisje, kisha menduar se switci analizon llojin e trafikut dhe sa her\u00eb q\u00eb fluksi i videos p\u00ebrfundon \u2014 switci ri-rip\u00ebrton energjin\u00eb...
\nPor gjith\u00e7ka doli t\u00eb 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 modalitete:<\/p>\n

    \n
  1. LLDP<\/b>, dometh\u00ebn\u00eb pajisja vet\u00eb ofron informacion p\u00ebr veten e saj, n\u00ebse, sigurisht, pajisja mb\u00ebshtet. N\u00ebse vjen nj\u00eb p\u00ebrgjigje nga LLDP \u2014 at\u00ebher\u00eb hardueri \u00ebsht\u00eb \"i gjall\u00eb\". N\u00ebse nuk ka p\u00ebrgjigje \u2013 e ndalim forc\u00ebrisht energjin\u00eb dhe presim nj\u00eb p\u00ebrgjigje. <\/li>\n
  2. Ping<\/b>. M\u00eb e thjesht\u00eb se kaq? E pingojm\u00eb \u2014 Nuk ka p\u00ebrgjigje \u2014 E ributon!<\/li>\n<\/ol>\n

    \nNumri i ping-eve pa p\u00ebrgjigje, koha e ributimit dhe numri i ributimeve t\u00eb energjis\u00eb p\u00ebrcaktohen. \u00c7far\u00eb \u00ebsht\u00eb plot\u00ebsisht logjike, sepse nuk ka asnj\u00eb kuptim t\u00eb \"pingojm\u00eb\" harduerin, n\u00ebse ai nuk ka nisur pas her\u00ebs s\u00eb tret\u00eb.<\/p>\n

    Vet\u00ebm nuk e kuptova: \u00e7far\u00eb \u00ebsht\u00eb SPECIALIZIMI k\u00ebtu p\u00ebr kamerat video?
    \nMe k\u00ebt\u00eb m\u00ebnyr\u00eb mund t\u00eb monitoroni \u00e7do pajisje rrjetesh. Edhe ata q\u00eb nuk mb\u00ebshtesin PoE. <\/p>\n

    Porositemi nj\u00eb pajisje t\u00eb till\u00eb nga Aliexpress dhe \u00e7do pajisje rrjeti b\u00ebhet PoE.<\/b>\"PoE
    \n
    \nN\u00eb rast se pajisja ngec, switci do t\u00eb ribut\u00eb energjin\u00eb n\u00eb port dhe n\u00eb log do t\u00eb shohim di\u00e7ka si kjo: <\/p>\n

    233 Sht 07 17:24:41 DE interface: Port 4 - ReoLink lidhja e up 100M\/F\n 234 Sht 07 17:24:39 DE interface: Port 4 - ReoLink lidhja e down\n 235 Sht 07 17:24:32 DE interface: Port 4 - ReoLink lidhja e up 100M\/F\n 236 Sht 07 17:24:30 DE interface: Port 4 - ReoLink lidhja e down\n 237 Sht 07 17:24:26 NO system: PethPse Port 4 - ReoLink OnOff Trap, Statusi i Zbulimit t\u00eb Portit \u00ebsht\u00eb duke D\u00ebrguar Energi\n 238 Sht 07 17:24:24 DE interface: Port 4 - ReoLink lidhja e up 100M\/F\n 239 Sht 07 17:24:04 NO system: PethPse Port 4 - ReoLink OnOff Trap, Statusi i Zbulimit t\u00eb Portit \u00ebsht\u00eb Ndaluar\n 240 Sht 07 17:24:02 DE interface: Port 4 - ReoLink lidhja e down\n 241 Sht 07 17:24:01 WA interface: Port 4 - D\u00ebmtimi i PD ReoLink \u00ebsht\u00eb zbuluar dhe riparimi p\u00ebr shkak t\u00eb Rikuperimit Automatik t\u00eb PD (modaliteti ping)<\/code><\/pre>\n
    <\/p>\n
    Gjat\u00ebsia maksimale e kabllit.<\/h3>\n
    \nN\u00eb faqen Zyxel <\/a><\/noindex>thuhet:<\/p>\n
     P\u00ebrdorimi i k\u00ebtij moduli t\u00eb zgjeruar n\u00eb k\u00ebto switch-e lejon rritjen e distanc\u00ebs maksimale deri n\u00eb 250 metra p\u00ebr pajisjet q\u00eb furnizohen. \n<\/p><\/blockquote>\n
     Ne jemi m\u00ebsuar t\u00eb jemi skeptik\u00eb ndaj \u00e7do brosure reklamuese. <\/p>\n
    Kam gjysm\u00eb dy fundet e bobin\u00ebs s\u00eb re (305 metra) dhe lidha nj\u00eb n\u00eb kamer\u00eb dhe tjetrin n\u00eb switch. Kamera nuk funksionoi\u2026 Si\u00e7 pritej ^_^<\/p>\n
    Shtyva, e sistemova \u2013 hyra n\u00eb cil\u00ebsimet, aktivizova kutin\u00eb \u201eShtrese e zgjeruar<\/b>\u201c, dhe\u2026 dhjet\u00eb sekonda heshtje \u2013 tambur\u2026 kamera filloi t\u00eb funksionoj\u00eb! N\u00eb 305 METRA!
    \n\"PoE
    \nPa humbje paketa!<\/b>\"PoE
    \n\"PoE
    \n
    \nK\u00ebshtu, switch-i i seris\u00eb GS1350 arriti jo 250 t\u00eb deklaruara, por deri n\u00eb 305 metra!<\/b><\/p>\n
    Megjithat\u00eb, ndoshta, truku q\u00ebndron edhe n\u00eb cil\u00ebsin\u00eb e kabllit:
    \n    Rexant FTP Cat.6 dhe kushtoi gati 12k rubla<\/a><\/noindex><\/p>\n
    \"PoE
    \n
    \n\"PoE
    \n
    \nN\u00ebse k\u00ebrkohet nj\u00eb gjat\u00ebsi m\u00eb e madhe, mund t\u00eb lidhni disa copa kablli p\u00ebrmes ndonj\u00eb p\u00ebrs\u00ebrit\u00ebsi. Gjithashtu, n\u00eb fund mund t\u00eb lidheni nj\u00eb switch tjet\u00ebr poe p\u00ebr t\u00eb lidhur disa pajisje. <\/p>\n
    P\u00ebr shembull, p\u00ebrmes UPVEL UP-215SGE (Sa i besuesh\u00ebm \u2013 nuk e kam provuar. Thjesht ra n\u00eb duar.)<\/i> Ai vet\u00eb furnizohet p\u00ebrmes PoE dhe furnizon pajisjet p\u00ebrmes PoE. <\/p>\n
    \"PoE
    \n
    \nPor kjo \u00ebsht\u00eb nj\u00eb tem\u00eb e ve\u00e7ant\u00eb p\u00ebr kushte specifike, ashtu si\u00e7 k\u00ebrkon projektimi duke marr\u00eb parasysh t\u00eb gjith\u00eb faktor\u00ebt.<\/p>\n
    Kur aktivizohet opsioni \"Shtrese e zgjeruar\", porta p\u00ebrcakton automatikisht protokollin 802.3at dhe vendos buxhetin e energjis\u00eb n\u00eb 33W. <\/p>\n
    Por duhet t\u00eb vendosen prioritetet n\u00eb rast se t\u00eb gjith\u00eb konsumator\u00ebt fillojn\u00eb t\u00eb konsumojn\u00eb aktivisht\u2026 Portat me prioritet t\u00eb ul\u00ebt, n\u00eb rast t\u00eb munges\u00ebs s\u00eb energjis\u00eb n\u00eb switch, do t\u00eb marrin energjin\u00eb e k\u00ebrkuar n\u00eb radh\u00eb t\u00eb fundit. <\/p>\n
    Mbrojtja nga stuhia <\/h3>\n
    \nP\u00ebrgjigja e dyt\u00eb kur vendosen pajisjet n\u00eb aj\u00ebr t\u00eb fresk\u00ebt \u00ebsht\u00eb mbrojtja nga variacionet 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 mbrojtja nga tensioni elektrostatik, Surge \u2013
    \nmbrojtja nga mbingarkesa. N\u00ebse ndodh nj\u00eb shkarkim statik n\u00eb aj\u00ebr deri n\u00eb 15
    \nkilovolt, ose 8 kV elektrostatik\u00eb n\u00eb kontakt t\u00eb af\u00ebrt, ose nj\u00eb skakdin p\u00ebrkoh\u00ebsor
    \ntensioni deri n\u00eb 4 kilovolt \u2014 switchi ka shanse t\u00eb mira t\u00eb mbijetoj\u00eb k\u00ebshtu
    \nd\u00ebshira.<\/p><\/blockquote>\n
     E dhe n\u00eb korpus ka vende p\u00ebr t\u00eb bashkangjitur tok\u00ebn. 
    \nShpresoj t\u00eb mos jem n\u00eb nevoj\u00eb p\u00ebr ta verifikuar k\u00ebt\u00eb ^_^<\/p>\n
    PoE i vazhduesh\u00ebm<\/b><\/p>\n
    Siguron energji edhe n\u00ebse pajisja nuk p\u00ebrgjigjet. Kjo opsion \u00ebsht\u00eb aktivizuar parazgjedhje. Mos harroni ta kontrolloni k\u00ebt\u00eb opsion para se t\u00eb p\u00ebrdit\u00ebsoni firmware-n n\u00eb kamera. 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, si dhe p\u00ebr automatizimin e konfigurimit, mund t\u00eb p\u00ebrdorni CLI-n\u00eb e njohur n\u00eb stilin Cisco.<\/p>\n
    \"PoE
    \n
    \nN\u00ebse nuk p\u00ebrdorni, p\u00ebr shembull, telnet\/snmpe dhe protokolle t\u00eb tjera, rekomandoj t'i \u00e7aktivizoni p\u00ebr t\u00eb rritur sigurin\u00eb e pajisjes. <\/p>\n
    Nuk \u00ebsht\u00eb pa nj\u00eb lug\u00eb katran...<\/h3>\n
    \nN\u00eb switch ka nj\u00eb pik\u00eb menaxhimi \"Cloud Management\"<\/p>\n
    \"PoE
    \n
    \nPor kur p\u00ebrpiqemi t\u00eb regjistrohemi, marrim k\u00ebt\u00eb<\/p>\n
    \"PoE
    \n
    \nAktualisht, mb\u00ebshtetje p\u00ebr k\u00ebto pajisje n\u00eb     Nebula<\/a><\/noindex> nuk \u00ebsht\u00eb aktivizuar ende. Prodhuesi premton t'i shtoj\u00eb ato n\u00eb vitin 2020. N\u00eb k\u00ebt\u00eb rast, nuk do t\u00eb nevojitet t\u00eb p\u00ebrdit\u00ebsoni firmware-in e switchit!<\/p>\n
    P\u00ebrfundim<\/h3>\n
    \nZyxel GS1350 \u00ebsht\u00eb switchi i vet\u00ebm deri tani q\u00eb ka p\u00ebrmbushur k\u00ebrkesat e mia:<\/p>\n