01 Imikhiqizo Emisha Emisha 10g Sfp Network Switch - 24+4 Management Gigabit Switch JHA-S2404MG-28BC - JHA
24+4 I-Gigabit Switch Yokuphatha JHA-S2404MG-28BC ♦ Uhlolojikelele Lomkhiqizo 24+4 Ukuphatha I-Gigabit Switch iyiswishi evamile engavimbi. Ihlinzeka ngamachweba angu-24*10/100/1000Base-T, amachweba we-SFP angu-4*1000M; Umthamo wokushintsha we-56Gbps, ukusebenza kokudlulisa okungu-41.644Mpps, amandla okuxhumana aguquguqukayo aqinisekisa ukuzinza kwenethiwekhi kanye nebhalansi yesixhumanisi somthwalo. okunikeza umkhawulokudonsa owanele wokuhlanganisa idatha kanye nokushintshisana kwedatha.Futhi ukuze baphendule ngokuguquguqukayo ezidingweni zenethiwekhi, abasebenzisi bangakhetha izimbobo ze-Gigabit ezifanele ngokwezidingo zabo; Ifanele amabhizinisi amancane naphakathi nendawo, inethiwekhi yekhampasi, amakhefi e-inthanethi kanye nokusetshenziswa kwe-MAN. ♦ Izici Eziyinhloko Zomkhiqizo 1. Ukusebenza okuphezulu (1) nomthamo wendiza engemuva engu-56Gbps, ukusebenza okuphezulu kakhulu (1U TOR) kulo mkhakha; (2) umzila wezingxenyekazi zekhompuyutha, izinga lokudlulisela iphakethe lesendlalelo sejubane lentambo 2 lifinyelele ku-41.644Mpps; (3) ingakwazi ukuthunyelwa ku-Metropolitan Area Network, futhi inikeze ubuchwepheshe bamakhilomitha wokugcina ambalwa; (4) i-ethernet / IEEE802.3 usayizi wephakethe (amabhayithi angu-64 kuya ku-1522 byte) (5) amaphakethe we-jumbo afika ku-9216 bytes 2. Iphephile futhi Inokwethenjelwa (1)hlinzeka nge-DOS, i-DDOS, i-spoofing nokuvikela igciwane (2) ukusekela i-IEEE802.1x, ukunikeza ukuqinisekiswa komsebenzisi okusekelwe embobeni, isihlangu senethiwekhi, ukulawula ukuphepha, nobuchwepheshe bokulawula inqubomgomo (3) ukukhawulela inombolo enkulu yabasingathi abaxhunyiwe ngechweba, isixhumi esibonakalayo se-Ethernet esibophezela kaningi , ukwandisa umkhawulokudonsa kanye nokungadingeki kwesistimu (4) I-ACL enamandla, isekela ukuhlunga kwedatha ye-L2-L4 (5) uhlu lokulawula inqubomgomo kanye nomthetho wokugeleza wesi-3. Ukugcinwa Kalula (1)kusekela ukumiswa kwembobo eguquguqukayo (2) ekwazi ukuphathwa ngewebhu, i-SNMP, njll (3) isekela iphrothokholi ye-XModem, sebenzisa i-TFTP/ZMODEM ekuthuthukiseni isofthiwe kanye nokuthuthukisa i-BootRom 4 . Ukugeleza Okunamandla Nokuphathwa Kokusakaza (1) thola futhi ulawule ngokuzenzakalelayo isiphepho sokusakaza, sekela ukutholwa kwamaphakethe e-IGMP, ukhawulele ngempumelelo ukugcwala kwamaphakethe okusakaza. (2) ukusekela imodi ye-duplex egcwele kanye nohafu wokulawula ukugeleza kwemodi ye-duplex (3) isekela isixhumi esibonakalayo se-Ethernet esithatha u-1M njengobude besinyathelo sokunciphisa isilinganiso ♦ Imodeli Yobuchwepheshe Yokucaciswa Komkhiqizo Imodeli Yomkhiqizo JHA-S2404MG-28BC Izici Eziyisisekelo Imbobo engaguquki engu-24*10/100/1000Isisekelo -T amachweba, 4 * 1000M SFP amachweba Backplane Capacity 56Gbps Ukusebenza Kokudlulisa 41.644Mpp Iphrosesa ARM® Cortex™-A9 Flash Memory Ikhono 8MB Ikhono 8MB Imemori 256MB MAC Ikheli Ithebula 16K Umugqa wesigcina 1.5MB Ukucaciswa Okuthambile Imbobo ye-VLAN esekelwe ku-VLAN 802.1Q Ukucindezela kwe-VLAN Ikheli Lokusakaza kwe-MAC Multip Ukucindezelwa kwe-DLF Izinga lokunciphisa Ukugeleza Ukulawula Ukugeleza Ukulawula okuphindwe kabili okuyingxenye okusekelwe ohlotsheni lwengcindezi yangemuva I-duplex egcwele esekelwe kuhlaka lwe-PAUSE I-Port Mirroring Sekela isibuko sembobo Isibuko Ukuphathwa Okujwayelekile Ukubalwa kwechweba Ilungiselela imbobo Imbobo ye-IP Amasevisi e-IP Ukutholwa kwe-ping DHCP Snooping Spanning Tree MSTP( 802.1s), STP,RSTP System Management TELNET WEB Remote Upgrading version yokuthuthukisa ngewebhu Ukuthuthukiswa kwenguqulo yokusekela nge-Physical Characteristics Dimension 440mm × 230mm × 44mm Charteristic of Power AC 110-240V adaptive, 47-63Hz, 1A/230V, amandla e-RPS ashisayo ayisipele Amandla ≥80W Inkomba yesikhombi sesibani sesistimu, inkomba yesibani sokuxhuma Izinga Lokushisa Lendawo / Umswakamo Ukusebenza kwe-0-50 ℃, -40-70 ℃ ukulondolozwa, 0-90% akukho condensation u Certification Authentication ROHS authentication European Community (CE) Electromagnetic Compatibility Directive: Le mishini ihloliwe futhi yatholakala ukuthi ihambisana nezidingo zokuvikela ze-European Emission Standard. I-EN55022/EN60555-2 kanye ne-Generic European Immunity Standard I-EN50082-1. EMC: EN55022(1988)/CISPR-22(1985), class A EN60555-2(1995), class A EN60555-3 IEC1000-4-2(1995),4K V CD, 8KV, AD IEC1000-4-3 1995), 3V/m I-IEC1000-4-4(1995), 1KV – (ulayini wamandla), 0.5KV – (umugqa wesiginali) Isitatimende se-Federal Communications Commission (FCC):Lesi sisetshenziswa sihloliwe futhi satholwa ukuthi sithobela imikhawulo yedivayisi yekhompyutha yekilasi A ngokulandela kuya eNgxenyeni J yengxenye ye-15 yeMithetho ye-FCC, eklanyelwe ukuhlinzeka ngokuvikeleka okunengqondo kulokho kugxambukela lapho isetshenziswa endaweni yezohwebo.