In?ISO/IEC?11801:2002?and?EN50173:2002,?four?types?of?optical?fibre?are?specified?to?support?various?classes?of?applications,?three?multimode?optical?fibre?types?(OM1,?OM2,?and?OM3)?and?one?singlemode?type?(OS1).在ISO?/?IEC?11801:2002和EN50173標(biāo)準(zhǔn)：2002年，四個(gè)類型的光纖，以支持指定的應(yīng)用程序的各個(gè)階級(jí)，三個(gè)多模光纖（OM1，OM2，與OM3）和一個(gè)單模類型（OS1）纖維類型。?
In?the?draft?Ammendment?2?to?ISO/IEC?11801:2002?there?is?the?addition?of?OS2?fibre.修正案草案在2到ISO?/?IEC?11801:2002存在著OS2纖維增加。?
The?reference?and?launch?cables?Fluke?Networks?uses?are?made?with?OM1?(62.5/125??m)?and?OM3?(50/125??m)?fiber?for?Multimode?Adapters?and?OS1?(9/125??m)?for?Singlemode?Adapters.參考和福祿克網(wǎng)絡(luò)公司推出電纜用途作出OM1（62.5/125微米）與OM3（50/125微米）的多模適配器和OS1（9?/?125微米的單模適配器）纖維。?For?OTDR?and?fiber?optical?loss?measurements,?mixing?OM2?with?OM3?fiber?has?no?impact?on?the?measurement.對(duì)于OTDR和光纖損耗測(cè)量，混合纖維OM2與OM3不會(huì)對(duì)測(cè)量的影響。?
The?ISO/IEC?11801:2002?and?EN50173:2002?specifies?optical?channel?and?link?Classes?OF-300,?OF-500,?and?OF-2000?meeting?the?requirements?of?standardised?applications?and?exploiting?component?capabilities?to?ease?the?implementation?of?applications?developed?in?the?future.的ISO?/?IEC?11801:2002和EN50173標(biāo)準(zhǔn)：2002年指定光通道和連接類的，300人，-?500，以及2000年會(huì)議的要求和標(biāo)準(zhǔn)的應(yīng)用程序開發(fā)組件的能力，以減輕將來(lái)開發(fā)的應(yīng)用程序的執(zhí)行情況。?These?classes?are?designed?using?either?OM1,?OM2?or?OM3?fibre.這些類的設(shè)計(jì)采用要么OM1，OM2和OM3光纖。?
OM3?fibre?allows?the?use?of?10GBASE-S?up?to?300?metres?using?a?VCSEL?at?850?nm.?OM3光纖允許使用的10GBASE?-?s至300米，使用850納米一個(gè)VCSEL。?
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這是光纖電纜?，?起源于國(guó)際的ISO?/?IEC?11801標(biāo)準(zhǔn)的名稱。?The?designations?indicate?a?particular?level?of?performance.?在指定顯示特定的性能水平。?OS?levels?are?for?singlemode?fiber?and?OM?levels?are?for?multimode?fiber.?操作系統(tǒng)層是單模光纖和OM水平的多模光纖的。?
OM1?is?for?is?for?standard?62.5?micron?multimode?glass.?OM1是為標(biāo)準(zhǔn)的62.5微米多模玻璃。?
OM2?is?for?standard?50?micron?glass.?OM2是標(biāo)準(zhǔn)的50微米的玻璃。?
OM3?is?for?enhanced?50?micron?glass?(capable?of?10?gigabit?Ethernet?out?to?300m).?OM3是加強(qiáng)50微米的玻璃（能力10千兆位以太網(wǎng)出300米）。
OM4?is?a?new?designation,?currently?used?by?TIA,?but?not?yet?adopted?by?ISO,?that?identifies?enhanced?50?micron?glass?capable?of?10?gigabit?Ethernet?out?to?550?meters.?OS1?applies?to?standard?singlemode?glass?while?OS2?refers?to?a?higher?performing,?low-water?peak?singlemode?glass.?OM4是一個(gè)新的稱謂，目前電信行業(yè)協(xié)會(huì)使用，但尚未得到國(guó)際標(biāo)準(zhǔn)化組織采納，增強(qiáng)了???標(biāo)識(shí)為550米。
OS1?50微米的玻璃的10千兆位以太網(wǎng)標(biāo)準(zhǔn)?，?能夠適用于單模玻璃?，?
OS2指的是一個(gè)更高性能，低水峰單模玻璃。?There?are?additional?differences?between?the?designations?as?well.?之間有指定額外的差異。