PARADYNE (100 RMB) samfurin: 600 (6M) / 1020 (10M)
Modem na Ethernet na nesa yana amfani da fasahar EDSL, wanda ya haɗu da mahimmancin fasahar sadarwa da ake amfani da ita a halin yanzu (fasahar DSL da fasahar Ethernet) don aiwatar da aikawa kai tsaye na kunshin IP a cikin rukunin hanyar sadarwa (kilomita 6) a karon farko. Yana amfani da mahimman ra'ayoyin fasahar DSL don samar da canja wurin bayanai mai sauri a kan layin waya na gargajiya. Wannan samfurin ya dace musamman don yin amfani da wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar wayar.

Ayyuka:

EDSL shine takaice na Ethernet Digital Subscriber Line. Ya haɗu da mahimmancin manyan fasahohin sadarwa guda biyu da ake amfani da su sosai a yau (DSL da Ethernet) don aiwatar da aikawa kai tsaye na kunshin IP a cikin rukunin hanyar sadarwa na farko (> kilomita 5). EDSL yana amfani da mahimman ra'ayoyin fasahar DSL don aiwatar da canja wurin bayanai mai sauri a kan layin waya na gargajiya. Idan aka kwatanta da fasahar DSL ta gargajiya, ba wai kawai ya shawo kan ƙuntatawa da yawa na fasahar DSL ba, kamar zaɓin layi, haɗuwa da sauransu, kuma ya haɓaka nesan watsawa da haɓaka ingancin watsawa, wanda aka kira fasahar DSL ta gaba.
EDSL yana amfani da fasahar sarrafa ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar ƙididdigar Matsakaicin nisan watsawa shine ƙafa 30,000 (kimanin kilomita 8) tare da mafi girman saurin 10Mbps, samfuran EDSL na ƙarni na biyu na iya kai 100Mbps.
Idan aka kwatanta da samfuran ADSL, EDSL ba shi da canji tsakanin ATM da IP, kai tsaye yana amfani da ƙirar IP ta ƙarshe zuwa ƙarshe, don haka ingancin watsawa ya inganta sosai, yayin da tsarin cibiyar sadarwa ya fi sauƙi. Idan aka kwatanta da kayayyakin PNA na Gida, babban amfanin kayayyakin EDSL shine cewa nesan watsawa ya fi mita ɗaruruwan Gida PNA, kuma aikace-aikacensa ya fi faɗi.

Abubuwa:

• Canja wurin gudun 6Mbps
• murya da kuma data rabuwa
• Sauya CO / CPE ta hanyar DIP sauya
• Max goyon bayan 1024 MAC adireshin
• LED nuni gazawar da sa ido

Aikace-aikace:

• Haɗin LAN na Point-to-Point
• Point-to-Multipoint LAN haɗin
• Intanet mai sauri
• Canja wurin bidiyo na IP

Ayyuka:

Fasahar fasahar Ethernet Modem
• Wide kewayon aikace-aikace. Ko yanar gizo, taron bidiyo na IP ko yanar gizon kasuwanci na yau da kullun (mutum), kayayyakin EDSL suna biyan buƙatun su don bandwidth na sama da ƙasa.
• Good spectrum jituwa. EDSL kayayyakin a lokacin shake hannu tsari zai aiki gano daban-daban aikace-aikace a cikin kebul, da kuma zaɓar da dace jan ƙarfe spectrum don watsa bayanai, da waya zaɓi kudi har zuwa 95% a kan, a zahiri kauce wa ADSL kayayyakin layi picky lahani.
• Saka da amfani. Shigarwa mai sauki da sauki, muddin layin jiki ya kasance mai sauƙi, na'urorin za su iya aiki yadda ya kamata, ba tare da la'akari da gada, diamita na waya da sauran dalilai ba.
• Za a iya kira lokaci guda. Kamar yadda ya faru da fasahar ADSL, murya da kasuwancin bayanai na iya rayuwa tare.
• Tsarin IP na asali. End-to-end IP mafita, mai sauki, inganci, da sauƙin fahimta.
• Wide kewayon aikace-aikace. Gidajen shakatawa, mazauna, makarantun masana'antu da kuma masu sadarwa.

Fasaha nuna alama na Ethernet Modem
• Hanyar modulation: QPSK, 16QAM, 64QAM daidaitawa
• Bayani kewayon: 30KHz ~ 3MHz
• Effective bandwidth: bisa ga bukatun kasuwanci iri, 128K ~ 10M biyu-direction daidaitawa
• Kyakkyawan jituwa: Za a iya kauce wa tsangwama tare da sauran high-gudun data kasuwanci a cikin kebul kamar E1, ISDN / IDSL, HDSL, HDSL2, SHDSL, SDSL, ADSL da G.Lite
• watsa labarai kafofin watsa labarai: jan ƙarfe twisted waya (wayar layi)
• Canja wuri nesa: 6km iya kaskadi
• Ƙarfin wutar lantarki: 6W
• Bayani girma: 5.1 × 15.2 × 22.9 (cm3)
• Nau'in dubawa: Line (RJ11), Waya (RJ11), Ethernet (RJ45), Ikon
• Muhalli bukatun: aiki zazzabi 5 ~ 40 ℃, dangi zafi 1 ~ 90%
• Takaddun shaida: FCC Sashe na 15 Class B, UL 1950, CSA22.2

Typical aikace-aikace Scheme

Tsarin 1. Intanet na nesa na gida na nesa

Hoto na 1 Intanet mai nesa

Hoto 2_1 Kwamfuta mai nesa don samun damar LAN

Hoto 2_2 Kwamfuta mai nesa don samun damar LAN (tare da murya)

Hoto na 3 Gidan cin abinci na Intanet, Kasuwancin Kasuwanci (Layin haya)

Tsarin 2: Point-to-Multipoint LAN Intanet

Lokacin da masu amfani kaɗan, za a iya maye gurbin na'urorin gida da Modem (kamar yadda aka nuna a ƙasa), lokacin da masu amfani suka haɓaka zuwa wani adadi, za a iya motsa na'urorin gida zuwa abokin ciniki, yayin da na'urorin gida ke amfani da na'urorin gida na EDSL DSLAM.
Lokacin da nisan layi ya fi tsawo (> 6 km), ana iya amfani da tsarin kaskadi.
Shirin ya dace da masu sadarwa da kuma kamfanonin da ke da kayan aikin waya da sauransu; A lokaci guda, kuma dace da banki, wutar lantarki, masana'antu, kasuwanci, haraji da sauran rukunin da ke da haɗin cibiyar sadarwar birni, maye gurbin asalin layin bayanan DDN, don rage farashin zuba jari sosai.
Idan ba za a iya magance matsalar layi da kansu ba, za a iya neman layi na musamman ga sassan sadarwa na gida (kawai hayar layin waya maimakon hayar kewayawa ba ta hanyar sauya murya ba).