Smernice za spoljašnju instalaciju Axis kamera

Post objavio Bojan Radonjić, inženjer podrške u kompaniji IP WAY



Iako je većina kamera, svojim dizajnom, konstruisana da „preživi“ iznenadne skokove napona, ipak je potrebno preduzeti nekoliko osnovnih mera da bi se pomoglo ovim uređajima da nastave svoju funkciju čak i u slučajevima jačih strujnih udara, ili pak atmosferskih pražnjenja.



Najbitnija stvar kod instalacija Axis spoljašnjih kamera je korišćenje STP (shielded twisted pair) mrežnih kablova. Korišćenjem ovih kablova omogućava se provođenje strujnih udara ka zemlji. Naravno, bitno je da je štit kabla povezan sa uzemljenjem.
Druga stvar koja se može uraditi je korišćenje tzv. Network Surge Protection uređaja, koji u normalnim uslovima propuštaju PoE i Data signale, a aktiviraju se tek u slučaju prenapona, odnosno strujnog udara.


Stopostotna zaštita kamere od prenapona/strujnih udata je nemoguća. No, gorepomenute metode u većini slučajeva omogućavaju da kamera nastavi sa radom, u slučajevima kada je ostali deo mrežne infrastruktura i napajanja ostao u funkciji.
Na kraju, mala napomena – većina proizvođača kamera, a pored njih i Axis u svojim garantnim izjavama za proizvod navode da ukoliko nisu preduzete osnovne mere zaštite proizvoda od strujnih udara, proizvod ne podleže garanciji neometanog rada u garantnom periodu.

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