Nekuvandudzwa kwevanhu vemazuva ano, network yave chikamu chakakosha chehupenyu hwevanhu, uye kutapurirana kwemasaini etiweki hakugone kuparadzaniswa kubva kune network cables (inonzi network cables).Chikepe uye basa remugungwa inzvimbo yemazuva ano yemaindasitiri inofamba pagungwa, nekuwedzera otomatiki uye hungwaru, uye zvakanyanya kuoma nharaunda dzekushandisa.Zvinodiwa zvetambo dzenetwork zvakangokwirira kupfuura izvo zvenzvimbo dzepasi.Nhasi, ndichasuma muchidimbu tambo dzengarava negungwa kune wese munhu.
Tambo yetiweki yatiri kutaura nezvayo inowanzoitwa twisted pair.Iyo conductor zvinhu zvetiweki tambo ndeyemhangura, ine akawanda akasungwa maconductor uye single stranded yakasimba makondukita.Makondukita emhangura ane PE kana PO insulation anowedzerwa, akamonyoroka akapesana newachi ari maviri maviri, obva amonyororwa kuita tambo nemapaya mana ewaya.Iyo skeleton yemuchinjikwa, shielding layer, wire wire, uye weaving layer inowedzerwa sezvinodiwa, uye pakupedzisira sleeve yekudzivirira inowedzerwa kuti ipedze kugadzirwa.
1.Network cable classification
Iyo inowanzoshandiswa network cables inogona kukamurwa kuitaCAT5E(super shanu mapoka), CAT6 (matanhatu mapoka), CAT6A (super nhanhatu zvikamu), CAT7 (manomwe mapoka), CAT7A (super nomwe mapoka), CAT8 (masere mapoka), pakati pavo:
Super Class 5 network cable: Rutivi rwekunze rwetambo yetiweki yakanyorwa neCAT.5e, ine nguva yekufambisa ye100MHz uye chiyero chepamusoro che 1000Mbps, chakakodzera gigabit network.Kuva nekuita zviri nani kupfuura mitsara yeKirasi 5, kuvandudza zviratidzo zvakadai seNEXT, PS-ELFEXT, Atten, uye kutsigira duplex applications;Parizvino, chikamu chikuru chetambo dzetiweki chakaiswa seChikamu 5, kunyanya kuti tishandise isu pachedu.
Mhando nhanhatu dzetambo dzenetiweki: Rutivi rwekunze rwetiweki tambo yakanyorwa neCAT.6, ine huwandu hwepamusoro hwekutapurirana hwe250MHz uye huwandu hwekutumira huwandu hwe1Gbps, hwakakodzera gigabit network.Iyo comprehensive attenuation to crosstalk ratio (PS-ACR) yeCategory 6 cabling masisitimu inofanirwa kuve neakakosha margin pa200MHz, ichipa kaviri bandwidth yeCategory 5. The transmission performance yeCategory 6 cabling yakakwirira kwazvo kupfuura iyo yeCategory 5 zviyero, zvichiita. ndiyo yakanyanya kufanira maapplication ane mitengo yekutumira yakakwira kupfuura 1Gbps.
Super Category 6 network cable: Rutivi rwekunze rwetambo yetiweki yakanyorwa neCAT.6e kana CAT6A, ine huwandu hwekutumira huwandu hwe500MHz uye kukurumidza kwekufambisa kwe10Gbps, yakakodzera kushandiswa mu10 Gigabit network.Izvi zvinoita kuti Super Category 6 network tambo ive inonyanya kufarirwa mbiri dzakamonyoroka mumakabati masisitimu, uye kuita kwepamusoro kweSuper Category 6 yakamonyoroka tambo tambo dzinosangana zvakanyanya nepamusoro-kumhanya bandwidth zvinodiwa zvenzvimbo dzedata.
Category 7/Super Category 7 Network Cable: Rutivi rwekunze rwetiweki tambo yakanyorwa neCAT7 kana CAT7A, ine huwandu hwepamusoro hwekutapurirana hwe600/1000MHz uye chiyero chekutumira che10Gbps.Mwoyo weChikamu 7 unowanzo gadzirwa newaya yemhangura ine ukobvu hunosvika 0.57mm, inova yakakwira-kuchena oksijeni isina mhangura.Izvi zvinovimbisa ultra-low resistance, zvichiita kuti kutapurirana kwenguva refu uye chiratidzo chiwedzere kugadzikana.
Category 8 Network Cable: Cat8 Category 8 Network Cable ndiyo yazvino chizvarwa chedouble shielded (SFTP) network jumper, ine waya mbiri mbiri, inogona kutsigira bandwidth ye2000MHz, uye ine chiyero chekufambisa chinosvika ku40Gb/s.Pamusoro pezvo, iyo Cat8 network tambo inogona kuenderana neese RJ45 tambo uye yakagadzirirwa chaizvo 25/40GBASE-T maapplication.Nekudaro, kureba kwayo kwekutapurirana ipfupi, chete 30m, ichiita kuti ive yakanyanya kukodzera kubatanidza maseva, switch, maferemu ekugovera, uye zvimwe zvishandiso munzvimbo pfupi dzedata data.
Zvinoenderana nekuti nhovo
Network cablesakapatsanurwazve kuita shielded twisted pair (STP) uye isina kuvharwa twisted pair (UTP).
Shielded Twisted Pair (STP):
Rutivi rwokunze runoputirwa nesimbi, kazhinji kacho aruminiyamu foil, kuderedza mwaranzi uye kudzivirira mashoko kubva pakunzwa.Panguva imwecheteyo, ine chiyero chepamusoro chekutumira data, asi mutengo wakakwirira, uye kuiswa kwacho kwakaomawo.
Unshielded Twisted Pair (UTP):
UTP haina simbi inodzivirira zvinhu, ingori musara mumwe chete wesimbi yakaputirwa pairi, iyo yakachipa uye inochinjika munetwork.Kunze kwedzimwe nguva dzakakosha (senge nzvimbo dzinenge dzakakomba magetsi emagetsi), UTP inowanzo shandiswa.UTP ndiyo zvakare inonyanya kushandiswa network tambo yekushandisa pamba.
Mamiriro ekushandisa emarine network tambo dzakaomesesa, ine mwero wepamusoro wekukanganisa kwemagetsi.Kazhinji, pane zvakakwirira zvinodikanwa zvekudzivirira, izvo zvinogona kukamurwa kuva anotevera marudzi zvichienderana neiyo yakazara skrini uye sub skrini:
F/UTP: Yekunze aluminium foil yakazara skrini, hapana dziviriro pakati pewaya peya;CAT5E uye CAT6 inowanzoshandiswa.
SF/UTP: Yekunze yemhangura waya inoruka aruminiyamu foil yakazara skrini, hapana nhovo pakati pewaya peya, inowanzoshandiswa muCAT6.
S/FTP: External copper wire braid shielding, pair to pair aluminium foil shielding, yakanaka shielding effect, CAT6A uye pamusoro ichashandisa chimiro ichi.
2.Kusiyana mumarine network cables
Kuenzaniswa netambo dzenetiweki dzepasi, marine network tambo dzine misiyano yakakura mukuiswa kwavo uye nharaunda yekushandisa.Semuenzaniso, nharaunda yemagetsi pabhodhi yakaoma, nzvimbo yakatetepa, hunyoro hwemhepo uye munyu wakakwira, kunze kwe ultraviolet mwaranzi yakasimba, nharaunda yekusvibiswa kwemafuta yakakwira, zvinodiwa kudzivirira moto zvakakwirira, nharaunda yekuvaka yakaoma. , uye zvakaoma kubvisa kana njodzi, iyo ine zvinodiwa zvepamusoro zvekushanda kwakasiyana-siyana kwetambo.
Marine network tambo dzinowanzo kugadzirwa zvinoenderana neIEC 61156-5/6 yakajairwa.IEC 61156-5 inokodzera kuradzika kureba kureba, kunyanya kushandisa yakasimba core conductor, ine yakanaka conductor kutendeseka uye kureba uye kugadzikana kwechiratidzo chekufambisa chinhambwe.IEC 61156-6 inokodzera nzvimbo dzekushanda, senge nharaunda yekamuri yemakomputa, uko maconductor akamonyoroka anowanzo shandiswa, achiita kuti tambo dziwedzere kuchinjika uye dzakakodzera nzvimbo yakamanikana yekuisa.Inowanzoshandiswa kune jumpers.
Iyo yakawanda yakawanda yezviitiko zvezvikepe inowanikwa pamusoro pegungwa.Kana pakaitika moto, zvinonetsa kuti vanhu vabude, uye tambo dzinobvira.Utsi hunogadzirwa nekupisa hunogona kukonzera kukanganisa kukuru kuhutano hwevanhu.Kuti kuderedze kukuvadzwa kwetsaona dzemoto, tambo dzemugungwa dzinowanzoshandisa utsi hushoma uye husina halogen-isina (LSZH) flame retardant polyolefin seyekunze sheath zvinhu, zvichisangana nezvinodiwa zvinodzora murazvo zveIEC60332 uye hutsi hwakaderera uye husina halogen zvinodiwa. yeIEC 60754-1/2 uye IEC 61034-1/2.Mune zvimwe zviitiko zvakakosha, tambo dzinodzivirira moto dzine mazinga akakwirira ekudzivirira dzichashandiswa, uye zvinhu zvinodzivirira moto senge mica tepi zvichawedzerwa kusangana nezvinodiwa nemoto zveIEC60331, kuve nechokwadi chekuti kunyangwe mushure memoto, Dunhu rinogona kushanda zvakare. kazhinji kwenguva yakati rebei, zvichibva zvawedzera kuchengetedzwa kwehupenyu hwevanhu nemidziyo.
Mune dzimwe nzvimbo dzakakosha dzemugungwa, senge offshore oiri yekunatsa mapuratifomu (FPSOs), mahombe dredger, nezvimwewo, tambo dzinoda kugarisana kwenguva refu ne sediment, mafuta slurry, uye zvinhu zvakasiyana zvinoparadza.Kuti unyatso kuvandudza simba retambo rekunze sheath, cross-linked polyolefin (SHF2) kana mud resistant (SHF2 MUD) outer sheath cables dzinoda kushandiswa.Crosslinking polyolefins inzira yekuvheneka kwemuviri kana kemikari reaction crosslinking, iyo inovandudza mashandiro e polyolefins uye inoita kuti vave nehupenyu hurefu hwesevhisi uye zvirinani zvimiro zvemuviri mushure mekuyambuka.Madhaka anodzivirira muchinjiko-yakabatana polyolefin inoreva muchinjika-yakabatana polyolefin ine yakasimba corrosion kuramba uye kupfeka kuramba, izvo zvinoita kuti tambo dzisangane nedhaka kuramba zvinodiwa zveNEK 606 yakatarwa.Kuti uenderere mberi nekuvandudza mashandiro emuchina wetambo, simbi yesimbi ichawedzerwawo kune tambo, senge galvanized simbi waya yakarukwa nhumbi dzokurwa nadzo (GSWB), tinned copper wire yakarukwa nhumbi dzokurwa nadzo (TCWB), nezvimwewo. tambo ichava nani mechanical simba, nekudaro kuchengetedza zvirinaninetwork cableuye kuderedza kuitika kwekumanikidza uye tension fractures.Panguva imwecheteyo, simbi yesimbi inogona zvakare kutamba imwe nhanho yekudzivirira kupesana nekunze magineti kukanganiswa, kuvandudza kutendeseka kwekufambiswa kwedata.
Pamusoro pe,Marine network cableszvinowanzodiwa kuti ive inodzivirira UV (kureva, inodzivirira UV).Sezvo ngarava nenzvimbo dzemugungwa dzine chiedza chezuva chakakwana, UV yakasimba, uye tambo dzakajairwa dziri nyore kuchembera, tambo dzemugungwa dzinoshandisa marambi exenon kana pfapfaidzo yemvura zvinoenderana neUL1581/ASTM G154-16 miyero kuburitsa mamiriro ekunze etambo dzakafumurwa kuchiedza chezuva nemvura. panguva yekushandiswa chaiko, kuitira kuti uedze kugona kwe-anti-kuchembera kwetambo.
Nguva yekutumira: Oct-26-2023