100% Atilẹba 1.25g Sfp Dual Fiber Optical Transceiver - 24+2 Isakoso Gigabit Fiber Ethernet Yipada JHA-S2024MG-26BC - JHA
100% Original 1.25g Sfp Meji Fiber Optical Transceiver - 24+2 Management Gigabit Fiber Ethernet Yipada JHA-S2024MG-26BC – JHA Apejuwe:
24 + 2 Management Gigabit Okun àjọlò Yipada
JHA-S2024MG-26BC
24+2 Gigabit isakosoOkun Yipada
♦Ọja ovatiawotẹlẹ:
v JHA-S2024MG-26BC Series Gigabit isakoso Fiber yipada ni keji, kẹrin Layer gigabit isakoso yipada. Ija lile ṣe atilẹyin iyipada iyara waya ti Layer keji. Awọn olumulo le ṣeto gbogbo iru awọn iṣẹ ti awọn yipada nipasẹ awọn àjọlò ibudo ni WEB. ARP ti a ṣe sinu ati eto aabo DOS le ṣe aabo aabo ARP, DOS ati awọn ikọlu ọlọjẹ lọpọlọpọ. Jubẹlọ JHA-S2024MG-26BC Series Yipada tun ni ipese pẹlu ọpọlọpọ awọn alagbara awọn ẹya ara ẹrọ: a okeerẹ QoS, leta ti igi, a iji bomole, Bandwidth Iṣakoso, IGMP snooping, ACL wiwọle Iṣakoso, DHCP snooping ati be be gan dara fun kekere ati alabọde-won katakara, nẹtiwọki ogba, ati awọn ohun elo apapọ nẹtiwọki agbegbe agbegbe.
- Idaabobo ARP: iṣẹ ti adiresi MAC ati abuda ibudo ati sisẹ aabo adirẹsi MAC le ṣe idaabobo ikọlu ARP daradara; DHCP snooping le pese aabo ARP fun awọn olumulo lati gba MAC ni agbara.
2. Qos: support fun ọpọ QOS nwon.Mirza. Da lori eto ayo 802.1p, ibudo kọọkan pese awọn laini pataki mẹjọ. IP-DSCP le pin si awọn ipele iṣẹ oriṣiriṣi ni ibamu si akọsori IP, lati ṣaṣeyọri QOS okeerẹ kan. AUTO VOIP le ṣeto ibudo si ipo ti o ga julọ ti ifihan ohun, mu didara ohun ti tẹlifoonu IP nẹtiwọki pọ si.
3. Gigun Igi: Ṣe atilẹyin boṣewa IEEE 802.1d ati IEEE 802.1w (Ilana Igi Igi ti o yara) ati IEEE 802.1s (Ilana Igi Igi pupọ).
4. AUTO DOS: daabobo ikọlu DOS wọnyi pẹlu awọn fọọmu oriṣiriṣi meje.
(1) Ikọlu ilẹ: ikọlu naa firanṣẹ awọn apo-iwe TCP SYN eke ti ṣiṣan alaye pẹlu adiresi IP orisun kanna, adiresi opin ibi IP, eto olufaragba gbiyanju lati firanṣẹ alaye esi si ararẹ, ja si idamu eto ati pe yoo rọ tabi tun bẹrẹ. .
(2) ikọlu Blat: ikọlu naa firanṣẹ awọn apo-iwe eke pẹlu nọmba ibudo orisun kanna ati nọmba ibudo opin irin ajo, eto olufaragba gbiyanju lati firanṣẹ alaye esi si ararẹ, ja si awọn ipadanu eto tabi tun bẹrẹ.
(3) Ikọlu Smurf: olukolu naa nlo adirẹsi orisun spoofed ti ibi-afẹde ikọlu lati ṣiṣẹ ilana ping si adirẹsi igbohunsafefe kan. Lẹhinna gbogbo awọn ọmọ-ogun ti nṣiṣe lọwọ yoo dahun ibi-afẹde naa, ti o yori si iṣubu nẹtiwọki tabi idalọwọduro.
(4) Ikun omi Ping: iṣan omi eto ibi-afẹde nipasẹ awọn iji igbohunsafefe ping, ki eto naa ko le dahun si ifọrọranṣẹ ti o tọ.
(5) SYN/SYN-ACK iṣan omi: iṣan omi eto afojusun iho nipasẹ SYN tabi SYN / ACK soso.
(6) Daabobo ikọlu TCP ti ko tọ: Ṣe idiwọ iṣan omi data ti o fa nipasẹ awọn idii TCP ti ko tọ.
(7) Ping of Death ikọlu: Firanṣẹ awọn apo-iwe ibeere ICMP ti o tobi pupọ (“Ping”), aniyan rẹ ni lati fa idalẹnu kọnputa ti ibi-afẹde ti o pọ si, ki kọnputa naa rọ.
5. Ipapa iji: le ṣeto pẹlu Broadcast, multicast, DLF ijabọ.
6. Iṣakoso Wiwọle ACL: ti a lo lati ṣakoso paṣipaarọ ti apo lati ibudo, lati rii daju pe aaye intranet kii yoo ni iwọle si awọn olumulo laisi aṣẹ, lakoko ti o daabobo ikọlu ARP taara.
7. IGMP Snooping: Atilẹyin IGMP version 2 (RFC 2236): IGMP Snooping ti wa ni lilo lati fi idi awọn ẹgbẹ multicast siwaju lati dari awọn apo-iwe multicast lati yago fun jafara bandiwidi nigbati a multicast soso aponsedanu nẹtiwọki.
8. Atilẹyin fun ijẹrisi 802.1x, ati lati pese awọn olumulo pẹlu wiwọle si ijẹrisi.
9. Wire-iyara sisẹ - Ibi ipamọ - ipo iwaju, n pese eto iyipada ti kii ṣe idinamọ otitọ.
10.Support awọn iṣẹ ti ibudo mirroring, ibudo apejo, ibudo iyara iye to.
11. Ṣe atilẹyin VLAN ti o da lori ibudo ati IEEE802.1Q ti o da lori VLAN.
♦Sipesifikesonu ọja:
| Awoṣe ọja | 24+2Gigabit isakoso Fiber Yipada |
| Ibudo ti o wa titi | 24 * 1000M SFP ibudo + 2 * 1000M RJ45 ibudo |
| Bandiwidi Backplane | 52Gbit |
| Kaṣe | 32Mbits |
| VLAN | 4K |
| Mac adirẹsi tabili | 8K |
| Awọn fireemu ipari | 9216B |
| Media Network | 1000Base-LX: lilo laser gigun-gigun (1310nm) lori ipo-ọpọ-pupọ ati okun ipo ẹyọkan, okun ipo-ọpọlọpọ, ijinna ti o pọju jẹ 550m, ipo ẹyọkan 10-24km. 1000Base-SX: 62.5μm multimode fiber, awọn ti o pọju gbigbe ijinna ti 275m 50μm multimode okun, awọn ti o pọju gbigbe ijinna ti 550 mita. |
| Adehun atilẹyin | IEEE802.3,IEEE 802.3ab,IEEE 802.3x,IEEE802.1q,IEEE802.1p,IEEE802.1z,IEEE802.1d,IEEE802.1s,IEEE802.1w,IEEE802.1ax,IEEE802.1ak |
| Sisẹ ati firanšẹ siwaju oṣuwọn | 1000Mbps:1488000pps |
| Awọn iwọn | 440x280x44mm (ẹnjini boṣewa 1U19 inch) |
| Lilo ayika | Ibi ipamọ otutu:-20℃～70℃;Ọriniinitutu ipamọ5～90：Ti kii-condensing |
| iṣẹ otutu:0℃～40℃;ọriniinitutu iṣẹ10～90：Ti kii-condensing | |
| Agbara | igbewọle:90-264VAC,50-60HZ;jade:5V/12A |
| Lilo agbara | 60W |
Awọn aworan apejuwe ọja:
Itọsọna Ọja ti o jọmọ:
Ile-iṣẹ ntọju si ọna iṣakoso imọ-jinlẹ iṣẹ ṣiṣe, didara ti o ga julọ ati iṣaaju iṣẹ, giga julọ alabara fun 100% Original 1.25g Sfp Dual Fiber Optical Transceiver - 24 + 2 Management Gigabit Fiber Ethernet Yipada JHA-S2024MG-26BC - JHA, Ọja naa yoo pese si gbogbo agbala aye, bii: Belgium, Gabon, Tunisia, A ni imọ-ẹrọ iṣelọpọ ilọsiwaju, ati ilepa imotuntun ninu awọn ọja. Lẹ́sẹ̀ kan náà, iṣẹ́ ìsìn rere ti mú kí orúkọ rere túbọ̀ pọ̀ sí i. A gbagbọ pe niwọn igba ti o ba loye ọja wa, o gbọdọ jẹ setan lati di alabaṣiṣẹpọ pẹlu wa. Nwa siwaju si ibeere rẹ.
Nipa Kevin Ellyson lati Durban - 2018.07.27 12:26 Imọ-ẹrọ to dara julọ, pipe lẹhin-tita iṣẹ ati ṣiṣe iṣẹ ṣiṣe to munadoko, a ro pe eyi ni yiyan ti o wuyi wa.
Nipa Katherine lati Wellington - 2017.12.31 14:53 
