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Antec Accessories
22.05.2003.
    « Prev  : Stranica 2 od 4 :  Next »      By ::  Dean Narandžić 
- Antec UV Cobra IDE Cables A26UV -

U prilično širokoj paleti svojih proizvoda Antec nudi i kablove za povezivanje IDE i FDD uređaja s kontrolerom na matičnoj ploči pod zajedničkim nazivom Cobra. U Cobra porodici proizvoda naći ćemo dvije vrste kablova - za spajanje IDE uređaja i floppy diskova. Radi se o okruglim kablovima, a svaki od njih možete kupiti umotane u uobičajenu mrežicu ili u prozirno gumeno crijevo koje je osjetljivo na UV svijetlo. IDE kablove je također moguće nabaviti u dvije dužine: 65 i 90 cm. Slijedi opis karakteristika UV kabla.

Kabel obasjan UV svjetlošću

Kabel koji smo imali na testu je bio dužine 65 cm, s konektorom za slave disk na 40 cm. Proizvođač ponosno navodi kompatibilnost sa ATA133 standardom što, iako ne donosi praktične koristi u stvarnosti, ipak hvalimo jer će pri radu na sporijim brzinama pridonijeti stabilnosti pri prijenosu podataka.

Pri izradi kabla pažnja se obratila na sve detalje koji bi mogli pridonijeti kvaliteti konačnog proizvoda: konektori su color-coded radi što jednostavnije ugradnje, sam kabel je oklopljen, a parice su upletene. Na konektoru za master disk ćete lagano primijetiti i žicu koju je potrebno mehanički pričvrstiti na kućište računala kako biste osigurali kvalitetnu zaštitu signala na kablu od utjecaja vanjskih izvora elektro-magnetnog zračenja. Takva zaštita u uobičajenom računalu nije potrebna, međutim ukoliko imate otvoreno kućište (ili veliki prozor na bočnoj stranici, izvor smetnji u obliku neonske lampe na 220V ili u krajnjem slučaju prozirno kućište od pleksiglasa koje ne nudi nikakvu zaštitu od elektro-magnetnih smetnji), ovu zaštitu ćete znati cijeniti.

Od svih detalja najviše hvalimo pravilno upletene žice (signal+masa kao jedna parica) na 80 žilnom kablu koji se mora koristiti da biste ostvarili prijenos podataka po ATA66 ili bržem standardu. To je ujedno i najveći razlog zašto bi se oprostili od 130kn koliko je potrebno izbrojati da biste došli u posjed ovoga kabla. Rounded kablovi iz kućne radinosti ili jeftiniji kablovi koji nemaju pravilno upletene žice pri velikim brzinama prijenosa podataka su često izvor smetnji u vezi između kontrolera i diska. Takve smetnje će u boljem slučaju biti ispravljene CRC korekcijom greške u prijenosu te kao jedinu posljedicu imati usporenje prijenosa podataka zbog čestih ponavljanja prijenosa radi greške, a u gorem mogu rezultirati krivo zapisanim ili pročitanim podatkom na disku i time uzrokovati od neobjašnjivih rušenja računala do nesagledivih problema vezanih uz oštećene korisničke podatke.

UV efekti

Kao zaključak recimo da nas je kabel za vrijeme testa služio odlično, a jedinu zamjerku možemo uputiti relativno velikom promjeru samog kabla koji može biti prepreka postavljanju u skučenim uvjetima. Spomenimo još da ostali kablovi porodice Cobra koji nisu osjetljivi na UV svjetlo ne pate od tog problema. Od dodatnih detalja bismo još poželjeli vidjeti trakicu koju povlačimo pri iskapčanju kablova, a koja sprečava oštećenja koja može pretrpiti konektor u slučaju da ga ne iskopčamo pod pravim kutem. Cijena kabla je cca. 130kn (PDV uračunat), ovisno o tečaju dolara.

 



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