GB/T 16657.2-2008工業(yè)通信網(wǎng)絡(luò)現(xiàn)場總線規(guī)范第2部分：物理層規(guī)范和服務(wù)定義

犐犆犛２５．０４０

犖１０

中華人民共和國國家標(biāo)準(zhǔn)

犌犅／犜１６６５７．２—２００８／犐犈犆６１１５８２：２００７

代替ＧＢ／Ｔ１６６５７．２—１９９６

工業(yè)通信網(wǎng)絡(luò)現(xiàn)場總線規(guī)范

第２部分：物理層規(guī)范和服務(wù)定義

犐狀犱狌狊狋狉犻犪犾犮狅犿犿狌狀犻犮犪狋犻狅狀狀犲狋狑狅狉犽狊—犉犻犲犾犱犫狌狊狊狆犲犮犻犳犻犮犪狋犻狅狀狊—

犘犪狉狋２：犘犺狔狊犻犮犪犾犾犪狔犲狉狊狆犲犮犻犳犻犮犪狋犻狅狀犪狀犱狊犲狉狏犻犮犲犱犲犳犻狀犻狋犻狅狀

（ＩＥＣ６１１５８２：２００７，ＩＤＴ）

２００８０６３０發(fā)布２００９０１０１實(shí)施

中華人民共和國國家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局

發(fā)布

中國國家標(biāo)準(zhǔn)化管理委員會

書

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目!!次

前言!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

引言!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#

!!范圍!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

"!規(guī)范性引用文件!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

#!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

#$!!通用術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

#$"!類型!!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%

#$#!類型"!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&

#$'!類型#!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

#$(!類型'!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(

#$%!類型%!本條已被刪除!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%

#$)!類型*!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%

#$*!類型!"!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&

#$&!類型!%!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+

#$!+!類型!*!術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!""

'!符號和縮略語!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"'

'$!!符號!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"'

'$"!縮略語!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"*

(!,--./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#(

($!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#(

($"!類型!!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#%

($#!類型"!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#)

($'!類型#!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#&

($(!類型'!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'+

($%!類型%!本條已被刪除!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'!

($)!類型*!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'!

($*!類型!"!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'*

($&!類型!%!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(+

($!+!類型!*!必需的服務(wù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(!

%!系統(tǒng)管理./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!("

%$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!("

%$"!類型!!系統(tǒng)管理./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!("

%$#!類型#!系統(tǒng)管理./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!('

%$'!類型'!系統(tǒng)管理./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!(*

%$(!類型%!本條已被刪除!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(&

%$%!類型*!系統(tǒng)管理./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!(&

%$)!類型!"!系統(tǒng)管理./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!%#

%$*!類型!*!系統(tǒng)管理./0-接口!!!!!!!!!!!!!!!!!!!!!!!!!!!%#

)!,12無關(guān)子層",34#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%#

)$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%#

$

書

!"!#!""#$$%"%&&'!$%&"!!#''%!%&&$

)$"!類型!!,34!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%#

)$#!類型#!,34!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%'

)$'!類型%!本條已被刪除!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%'

)$(!類型*!,34!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%'

)$%!類型!"!,34!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%(

*!,52$,12接口和634特定功能!!!!!!!!!!!!!!!!!!!!!!!!!!%(

*$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%(

*$"!類型!!,52$,12接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%(

*$#!類型#!,52$,12接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)'

*$'!類型*!634$6,4接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)'

*$(!類型!"!,52$,12接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!*!

&!媒體相關(guān)子層"6,4#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*"

&$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*"

&$"!類型!!6,4!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*"

&$#!類型!!6,4!無線!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*'

&$'!類型"!6,4!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*'

&$(!類型#!6,4!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*(

&$%!類型'!6,4!導(dǎo)線!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*(

&$)!類型%!本條已被刪除!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*&

&$*!類型*!6,4!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*&

&$&!類型!"!6,4!導(dǎo)線!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&(

&$!+!類型!%!6,4!光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&)

&$!!!類型!*!6,4!導(dǎo)線!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&*

!+!6,4$678接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&*

!+$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&*

!+$"!類型!!6,4$678接口!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!&*

!+$#!類型!!6,4$678接口!無線信號!!!!!!!!!!!!!!!!!!!!!!!!++

!+$'!類型"!6,4$678接口!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!!++

!+$(!類型#!6,4$678接口!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!!+!

!+$%!類型*!6,4$678接口!導(dǎo)線和光纖!!!!!!!!!!!!!!!!!!!!!!!+"

!+$)!類型!*!6,4$678接口!導(dǎo)線!!!!!!!!!!!!!!!!!!!!!!!!!+#

!!!類型!和類型)!媒體附屬單元!電壓模式%線性總線拓?fù)?!(+%雙絞線媒體!!!!!!!!+'

!!$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!+'

!!$"!9:;.<=;>.?>@>A?>A;量值!!!!!!!!!!!!!!!!!!!!!!!!!!!!!+'

!!$#!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!+(

!!$'!678發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!+%

!!$(!678接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!+

!!$%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

!!$)!配電!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

!!$*!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'

!"!類型!和類型#!媒體附屬單元!#!$"(DC:;&E%帶低功率選項(xiàng)的電壓模式%總線型和樹型

拓?fù)浣Y(jié)構(gòu)%!++%導(dǎo)線!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%

!"$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%

!"$"!發(fā)送比特速率!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%

&

!"!#!""#$$%"%&&'!$%&"!!#''%!%&&$

!"$#!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%

!"$'!678發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*

!"$(!678接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+

!"$%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!""

!"$)!配電!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!""

!"$*!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"%

!"$&!本質(zhì)安全!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"&

!"$!+!電隔離器!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"&

!#!類型!!媒體附屬單元!電流模式%雙絞線媒體!!!!!!!!!!!!!!!!!!!!!"&

!#$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"&

!#$"!發(fā)送比特速率!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"&

!#$#!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"&

!#$'!678發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#!

!#$(!678接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!##

!#$%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#'

!#$)!配電!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#'

!#$*!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#(

!'!類型!!媒體附屬單元!電流模式"!7#%雙絞線媒體!!!!!!!!!!!!!!!!!!!#)

!'$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#)

!'$"!發(fā)送比特速率!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#)

!'$#!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#)

!'$'!678發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#&

!'$(!678接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'+

!'$%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'!

!'$)!配電!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'!

!'$*!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'"

!(!類型!和類型)!媒體附屬單元!雙光纖!!!!!!!!!!!!!!!!!!!!!!!!'#

!($!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'#

!($"!9:;.<=;>.?>@>A?>A;量值!!!!!!!!!!!!!!!!!!!!!!!!!!!!!''

!($#!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!''

!($'!678發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'(

!($(!678接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'%

!($%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')

!($)!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')

!%!類型!!媒體附屬單元!#!$"(DC:;&E%單光纖!!!!!!!!!!!!!!!!!!!!!!'*

!%$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'*

!%$"!發(fā)送比特速率!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'*

!%$#!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'&

!%$'!678發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'&

!%$(!678接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'&

!%$%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'&

!%$)!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'&

!)!類型!!媒體附屬單元!無線信號傳輸!!!!!!!!!!!!!!!!!!!!!!!!!(+

!)$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(+

'

!"!#!""#$$%"%&&'!$%&"!!#''%!%&&$

!)$"!發(fā)射信號速率!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(!

!)$#!調(diào)制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(!

!)$'!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!("

!)$(!天線!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!((

!)$%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!((

!)$)!通用空中接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!((

!*!類型"!媒體附屬單元!(6C:;&E%電壓模式%同軸電纜媒體!!!!!!!!!!!!!!!!(*

!*$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(*

!*$"!收發(fā)器!(6C:;&E%電壓模式%同軸電纜!!!!!!!!!!!!!!!!!!!!!!!(*

!*$#!變壓器!(6C:;&E%電壓模式%同軸電纜!!!!!!!!!!!!!!!!!!!!!!!%#

!*$'!(6C:;&E%電壓模式%同軸電纜媒體的連接器!!!!!!!!!!!!!!!!!!!!!%#

!*$(!(6C:;&E%電壓模式%同軸電纜媒體的拓?fù)?!!!!!!!!!!!!!!!!!!!!!%#

!*$%!(6C:;&E%電壓模式%同軸電纜媒體的分接頭!!!!!!!!!!!!!!!!!!!!!%'

!*$)!干線(6C:;&E%電壓模式%同軸電纜媒體!!!!!!!!!!!!!!!!!!!!!!%%

!&!類型"!媒體附屬單元!(6C:;&E%光纖!!!!!!!!!!!!!!!!!!!!!!!!%%

!&$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%%

!&$"!發(fā)送器!(6C:;&E%光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%%

!&$#!拓?fù)?(6C:;&E%光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%)

!&$'!干線光纖!(6C:;&E%光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%)

!&$(!干線連接器!(6C:;&E%光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!%)

!&$%!光纖規(guī)范!(6C:;&E%光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%)

"+!類型"!媒體附屬單元!網(wǎng)絡(luò)訪問端口"F7/#!!!!!!!!!!!!!!!!!!!!!!%&

"+$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!%&

"+$"!信號發(fā)送!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)+

"+$#!收發(fā)器!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)!

"+$'!連接器!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)!

"+$(!電纜!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)!

"!!類型#!媒體附屬單元!同步傳輸%#!$"(DC:;&E%電壓模式%導(dǎo)線!!!!!!!!!!!!!!)"

"!$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)"

"!$"!發(fā)送比特速率!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)"

"!$#!網(wǎng)絡(luò)規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)"

"!$'!#!$"(DC:;&E電壓模式678的發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!)(

"!$(!#!$"(DC:;&E電壓模式678的接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!))

"!$%!超時傳輸"B=CC><#抑制!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!))

"!$)!配電!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!))

"!$*!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)&

"!$&!本質(zhì)安全!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*+

"!$!+!電隔離器!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*!

"!$!!!耦合部件!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*!

"!$!"!電源!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*"

""!類型#!媒體附屬單元!異步傳輸%導(dǎo)線!!!!!!!!!!!!!!!!!!!!!!!!*(

""$!!非本質(zhì)安全用媒體附屬單元!!!!!!!!!!!!!!!!!!!!!!!!!!!!*(

""$"!本質(zhì)安全用媒體附屬單元!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*&

"#!類型#!媒體附屬單元!異步傳輸%光纖!!!!!!!!!!!!!!!!!!!!!!!!&)

(

!"!#!""#$$%"%&&'!$%&"!!#''%!%&&$

"#$!!光數(shù)據(jù)傳輸?shù)奶匦?!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&)

"#$"!光數(shù)據(jù)傳輸媒體的基本特性!!!!!!!!!!!!!!!!!!!!!!!!!!!!&*

"#$#!光網(wǎng)絡(luò)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&*

"#$'!標(biāo)準(zhǔn)光鏈路!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&&

"#$(!由標(biāo)準(zhǔn)光鏈路的組合而構(gòu)成的網(wǎng)絡(luò)結(jié)構(gòu)!!!!!!!!!!!!!!!!!!!!!!!&&

"#$%!比特編碼!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&&

"#$)!光信號光電平!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&&

"#$*!瞬時信號失真!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+"

"#$&!比特差錯率!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+'

"#$!+!纖維光纜的連接器!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+'

"#$!!!光傳輸網(wǎng)絡(luò)中的冗余!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+'

"'!類型'!媒體附屬單元!G4.'*(!!!!!!!!!!!!!!!!!!!!!!!!!!"+'

"'$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+'

"'$"!服務(wù)概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+'

"'$#!服務(wù)描述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+(

"'$'!網(wǎng)絡(luò)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+(

"'$(!電氣規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+(

"'$%!時間響應(yīng)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+(

"'$)!到傳輸媒體的接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+(

"'$*!傳輸媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+(

"(!類型'!媒體附屬單元!G4."#"!!!!!!!!!!!!!!!!!!!!!!!!!!"+%

"($!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+%

"($"!服務(wù)概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+%

"($#!服務(wù)描述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+%

"%!類型%!本條已被刪除!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+%

")!類型*!媒體附屬單元!雙絞線媒體!!!!!!!!!!!!!!!!!!!!!!!!!"+%

")$!!678信號!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+%

")$"!傳輸比特速率相關(guān)量值!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+)

")$#!網(wǎng)絡(luò)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+)

")$'!電氣規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+*

")$(!時間響應(yīng)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+*

")$%!到傳輸媒體的接口!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+*

")$)!傳輸媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"+&

"*!類型*!媒體附屬單元!光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!+

"*$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!+

"*$"!傳輸比特速率相關(guān)量值!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!!

"*$#!網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!!

"*$'!發(fā)送電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!!

"*$(!接收電路規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!"

"*$%!傳輸媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!#

"&!類型!"!媒體附屬單元!導(dǎo)線!!!!!!!!!!!!!!!!!!!!!!!!!!!"!%

"&$!!電氣特性!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!%

"&$"!媒體規(guī)范!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!%

"&$#!傳輸方法!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!%

)

!"!#!""#$$%"%&&'!$%&"!!#''%!%&&$

#+!類型!%!媒體附屬單元!"6C:;&E''6C:;&E'*6C:;&E'!%6C:;&E光纖!!!!!!!!!!"!%

#+$!!傳輸線路結(jié)構(gòu)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!%

#+$"!比特傳輸?shù)臅r間特性!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"!)

#+$#!連接到光纖!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"""

#!!類型!*!媒體附屬單元!基本媒體!!!!!!!!!!!!!!!!!!!!!!!!!""%

#!$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!""%

#!$"!數(shù)據(jù)信號編碼!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"")

#!$#!信號加載!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"")

#!$'!信號傳輸要求!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"")

#!$(!媒體!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"")

#!$%!端點(diǎn)和分支干線電纜連接器!!!!!!!!!!!!!!!!!!!!!!!!!!!""&

#!$)!推薦的類型!*./0-.9678電路!!!!!!!!!!!!!!!!!!!!!!!!""&

#"!類型!*!媒體附屬單元!供電媒體!!!!!!!!!!!!!!!!!!!!!!!!!"#+

#"$!!概述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"#+

#"$"!數(shù)據(jù)信號編碼!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"#+

#"$#!信號加載!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"#+

#"$'!信號傳輸要求!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"#+

#"$(!媒體!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"#!

#"$%!端點(diǎn)和分支干線電纜連接器!!!!!!!!!!!!!!!!!!!!!!!!!!!"##

#"$)!嵌入式電源配電!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"##

#"$*!推薦的類型!*./0-./678電路圖!!!!!!!!!!!!!!!!!!!!!!!"#(

附錄7"規(guī)范性附錄#!類型!!連接器規(guī)范!!!!!!!!!!!!!!!!!!!!!!!"#)

附錄9"資料性附錄#!類型!和類型#!#!$"(DC:;&E電壓模式678電纜規(guī)范和干線與分支長度!"'(

附錄1"資料性附錄#!類型!和類型)!無源星型光耦合器!!!!!!!!!!!!!!!!"'%

附錄,"資料性附錄#!類型!和類型)!星形拓?fù)?!!!!!!!!!!!!!!!!!!!"')

附錄2"資料性附錄#!類型!!可選光纖!!!!!!!!!!!!!!!!!!!!!!!!"(+

附錄H"規(guī)范性附錄#!類型"!連接器規(guī)范!!!!!!!!!!!!!!!!!!!!!!!"(!

附錄I"規(guī)范性附錄#!類型"!中繼設(shè)備子層"G6%GG6#和冗余/0-!!!!!!!!!!!"(#

附錄J"資料性附