Opisanie:DFE-551FX – vysokoproizvoditel'nyy setevoy adapter, obespechivayuschiy effektivnoe podklyuchenie komp'yutera k seti Fast Ethernet po opticheskomu kabelyu. Adapter prednaznachen dlya shiny PCI komp'yutera i peredaet dannye so skorost'yu 100 Mbit/s v poludupleksnom rezhime ili 200 Mbit/s v polnodupleksnom rezhime. Podderzhivaya dopolnitel'nye funkcii, vklyuchaya ocheredi prioritetov i VLAN, etot adapter yavlyaetsya ideal'nym resheniem dlya prilozheniy, trebuyuschih vysokuyu polosu propuskaniya, takih kak IP-telefoniya i videokonferencii.Nadezhnoe podklyuchenie po optikeAdapter DFE-551FX pozvolyaet ustanovit' nadezhnoe podklyuchenie k komp'yuteru cherez opticheskiy kanal svyazi. S ego pomosch'yu mozhno upravlyat' pitaniem rabochey stancii ili servera iz kommutatora Fast Ethernet po optovolokonnomu soedineniyu. So skorost'yu peredachi dannyh 200 Mbit/s v polnodupleksnom rezhime eta karta horosho rabotaet v sredah s vysokoy elektromagnitnoy interferenciey, obespechivaya s pomosch'yu mnogomodovogo opticheskogo kabelya podklyuchenie k kommutatoru, raspolozhennomu na rasstoyanii do 2 km.Wake-On-LAN dlya upravleniya pitaniemWake-On-LAN (WOL) - eto funkciya Advanced Configuration Power Interface (ACPI), pozvolyayuschaya udalenno vklyuchat'/vyklyuchat' pitanie vyklyuchennogo komp'yutera. S pomosch'yu etoy funkcii administrator seti mozhet posylat' signaly "wake-up", privodyaschie komp'yuter v aktivnoe sostoyanie. Funkciya WOL obespechivaet pol'zovatelyam otlichnuyu vozmozhnost' dlya upravleniya pitaniem PK v lyuboe vremya i iz lyubogo mesta.Vysokaya proizvoditel'nost'Rabotaya v rezhime Bus Master 32-razryadnoy shiny PCI, adapter garantiruet vysokuyu proizvoditel'nost'. Rezhim Bus Master pozvolyaet peredavat' dannye minuya central'nyy processor, chto daet vozmozhnost' razgruzit' ego dlya vypolneniya prikladnyh programm.Upravlenie potokom dlya minimizacii poteri paketovAdapter podderzhivaet vstroennuyu funkciyu upravleniya potokom, obespechivaya sredstva zaschity dannyh vo vremya ih peredachi po seti. Pri podklyuchenii k kommutatoru Fast Ethernet, podderzhivayuschemu upravlenie potokom, adapter, vo vremya pikovyh nagruzok, poluchaet ot nego signaly o perepolnenii bufera. Posle etogo adapter zaderzhivaet peredachu dannyh do teh por, poka ne poluchit signal ot kommutatora, chto on gotov k priemu dannyh.VLAN dlya povysheniya proizvoditel'nosti i nadezhnostiSetevoy adapter podderzhivaet IEEE 802.1Q VLAN, pozvolyaya sozdat' neskol'ko podsetey dlya kazhdogo servera ili komp'yutera i izolirovat' ustroystva vnutri kazhdoy VLAN ot ostal'noy chasti seti dlya povysheniya bezopasnosti i kontrolya nad trafikom.Podderzhka ocheredey prioritetov IEEE 802.1pAdapter podderzhivaet ocheredi prioritetov 802.1p, pozvolyaya peredavat' po seti chuvstvitel'nye k zaderzhkam prilozheniya, takie kak potokovoe audio i video, i VoIP s nadlezhaschim prioritetom.2 varianta udalennoy zagruzki RPL i PXESetevye administratory mogut vybrat' odnu ih 2-h shem bezopasnoy udalennoy zagruzki s serverov bezdiskovyh rabochih stanciy: 1) s ispol'zovaniem RPL (Remote Program Load) DFE-551P ili 2) PXE (Pre-boot Execution Environment) kompanii Intel DFE-551R. Rabochie stancii s ustanovlennymi v sootvetstvuyuschiy raz'em adaptera boot ROM mogut zagruzhat' operacionnuyu sistemu udalenno s servera NetWare, Windows NT ili drugih serverov.Harakteristiki:•Proizvoditel': D-Link•Interfeys: PCI•Sreda peredachi: Optovolokno•Raz'emy: Fast Ethernet /Ethernet 100baseFX•Podderzhivaemye skorosti: 10/100 Mbit/s•Podderzhka Wake-on-LAN: Est'•BootROM: Est'•Podderzhka polnodupleksnogo rezhima: Est'•Podderzhivaemye OS: Windows NT 3.51/4.0, Windows 95OSR2,95, 98, 98SE, ME, 2000, 2003, XP x86/x64, Vista x86/x64, Novell Netware Server 5.x / 6.x, Novell Netware Client 32 for DOS, Novell Netware Client for DOS•Dopolnitel'naya informaciya: Opticheskiy raz'em SC tipa•Indikatory: 10/100 Mbps, Link/ACT, Fulll•Gabarity: 24x17x4