国(Guo)际(Ji)、(?)国(Guo)内(Nei)布(Bu)线(Xian)相(Xiang)关(Guan)标(Biao)准(Zhun)发(Fa)展(Zhan)综(Zong)述(Shu)
国(Guo)际(Ji)标(Biao)准(Zhun)与(Yu)布(Bu)线(Xian)发(Fa)展(Zhan)
自(Zi)90年(Nian)代(Dai)以(Yi)来(Lai),(?)五(Wu)种(Zhong)电(Dian)缆(Lan)的(De)标(Biao)准(Zhun)已(Yi)经(Jing)发(Fa)布(Bu)了(Liao)相(Xiang)当(Dang)长(Chang)的(De)时(Shi)间(Jian)。(?)随(Sui)着(Zhuo)电(Dian)信(Xin)技(Ji)术(Shu)的(De)发(Fa)展(Zhan),(?)已(Yi)经(Jing)开(Kai)发(Fa)了(Liao)许(Xu)多(Duo)新(Xin)的(De)布(Bu)线(Xian)系(Xi)统(Tong)和(He)方(Fang)案(An)。(?)国(Guo)际(Ji)标(Biao)准(Zhun)化(Hua)委(Wei)员(Yuan)会(Hui)的(De)国(Guo)际(Ji)标(Biao)准(Zhun)化(Hua)组(Zu)织(Zhi)/国(Guo)际(Ji)电(Dian)工(Gong)委(Wei)员(Yuan)会(Hui)、(?)欧(Ou)洲(Zhou)标(Biao)准(Zhun)化(Hua)委(Wei)员(Yuan)会(Hui)的(De)欧(Ou)洲(Zhou)电(Dian)工(Gong)委(Wei)员(Yuan)会(Hui)(CENELEC)和(He)北(Bei)美(Mei)工(Gong)业(Ye)技(Ji)术(Shu)标(Biao)准(Zhun)化(Hua)委(Wei)员(Yuan)会(Hui)的(De)工(Gong)业(Ye)影(Ying)响(Xiang)评(Ping)估(Gu)(TIA/EIA)都(Du)在(Zai)努(Nu)力(Li)开(Kai)发(Fa)更(Geng)新(Xin)的(De)标(Biao)准(Zhun),(?)以(Yi)满(Man)足(Zu)技(Ji)术(Shu)和(He)市(Shi)场(Chang)的(De)需(Xu)求(Qiu)。(?)然(Ran)而(?),(?)布(Bu)线(Xian)标(Biao)准(Zhun)仍(Reng)不(Bu)统(Tong)一(Yi)。(?)就(Jiu)第(Di)5类(Lei)、(?)第(Di)5e类(Lei)、(?)第(Di)6类(Lei)和(He)第(Di)7类(Lei)的(De)概(Gai)念(Nian)和(He)标(Biao)准(Zhun)而(?)言(Yan),(?)行(Xing)业(Ye)内(Nei)存(Cun)在(Zai)一(Yi)定(Ding)程(Cheng)度(Du)的(De)混(Hun)乱(Luan),(?)尤(You)其(Qi)是(Shi)中(Zhong)国(Guo)缺(Que)乏(Fa)权(Quan)威(Wei)组(Zu)织(Zhi)和(He)机(Ji)构(Gou)来(Lai)澄(Cheng)清(Qing)人(Ren)们(Men)对(Dui)这(Zhe)些(Xie)标(Biao)准(Zhun)的(De)理(Li)解(Jie)。(?)
参(Can)考(Kao)布(Bu)线(Xian)标(Biao)准(Zhun)时(Shi),(?)我(Wo)们(Men)可(Ke)以(Yi)从(Cong)以(Yi)下(Xia)标(Biao)准(Zhun)体(Ti)系(Xi)开(Kai)始(Shi):美(Mei)国(Guo)标(Biao)准(Zhun)、(?)欧(Ou)洲(Zhou)标(Biao)准(Zhun)、(?)国(Guo)际(Ji)标(Biao)准(Zhun)和(He)应(Ying)用(Yong)标(Biao)准(Zhun)。(?)在(Zai)设(She)计(Ji)和(He)测(Ce)试(Shi)布(Bu)线(Xian)系(Xi)统(Tong)时(Shi),(?)如(Ru)果(Guo)不(Bu)理(Li)解(Jie)相(Xiang)关(Guan)标(Biao)准(Zhun),(?)将(Jiang)会(Hui)有(You)差(Cha)异(Yi)。(?)例(Li)如(Ru),(?)布(Bu)线(Xian)的(De)现(Xian)场(Chang)测(Ce)试(Shi)符(Fu)合(He)布(Bu)线(Xian)设(She)计(Ji)、(?)硬(Ying)件(Jian)、(?)安(An)装(Zhuang)等(Deng)标(Biao)准(Zhun)。(?)这(Zhe)些(Xie)概(Gai)念(Nian)都(Du)是(Shi)布(Bu)线(Xian)工(Gong)程(Cheng)相(Xiang)关(Guan)人(Ren)员(Yuan)应(Ying)该(Gai)理(Li)解(Jie)和(He)关(Guan)心(Xin)的(De)问(Wen)题(Ti)。(?)自(Zi)1995年(Nian)以(Yi)来(Lai),(?)我(Wo)们(Men)一(Yi)直(Zhi)致(Zhi)力(Li)于(Yu)推(Tui)广(Guang)与(Yu)标(Biao)准(Zhun)相(Xiang)关(Guan)的(De)技(Ji)术(Shu)。(?)从(Cong)每(Mei)年(Nian)成(Cheng)千(Qian)上(Shang)万(Wan)次(Ci)培(Pei)训(Xun)讲(Jiang)座(Zuo)的(De)反(Fan)馈(Kui)来(Lai)看(Kan),(?)我(Wo)们(Men)深(Shen)感(Gan)有(You)必(Bi)要(Yao)普(Pu)遍(Bian)推(Tui)广(Guang)和(He)介(Jie)绍(Shao)这(Zhe)些(Xie)标(Biao)准(Zhun),(?)并(Bing)介(Jie)绍(Shao)国(Guo)内(Nei)标(Biao)准(Zhun)的(De)建(Jian)设(She)和(He)发(Fa)展(Zhan)。(?)因(Yin)此(Ci),(?)在(Zai)查(Cha)阅(Yue)了(Liao)大(Da)量(Liang)相(Xiang)关(Guan)技(Ji)术(Shu)文(Wen)件(Jian)后(Hou),(?)我(Wo)们(Men)编(Bian)写(Xie)了(Liao)本(Ben)文(Wen)并(Bing)不(Bu)断(Duan)更(Geng)新(Xin)。(?)关(Guan)于(Yu)所(Suo)涉(She)及(Ji)的(De)标(Biao)准(Zhun)的(De)更(Geng)详(Xiang)细(Xi)的(De)信(Xin)息(Xi)可(Ke)以(Yi)直(Zhi)接(Jie)参(Can)考(Kao)原(Yuan)始(Shi)标(Biao)准(Zhun)。(?)
一(Yi)、(?)美(Mei)洲(Zhou)标(Biao)准(Zhun):
拥(Yong)有(You)80年(Nian)历(Li)史(Shi)的(De)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)局(Ju)(ANSI)是(Shi)国(Guo)际(Ji)标(Biao)准(Zhun)化(Hua)组(Zu)织(Zhi)(国(Guo)际(Ji)标(Biao)准(Zhun)化(Hua)组(Zu)织(Zhi))和(He)国(Guo)际(Ji)电(Dian)工(Gong)委(Wei)员(Yuan)会(Hui)(国(Guo)际(Ji)电(Dian)子(Zi)技(Ji)术(Shu)委(Wei)员(Yuan)会(Hui))的(De)主(Zhu)要(Yao)成(Cheng)员(Yuan),(?)在(Zai)国(Guo)际(Ji)标(Biao)准(Zhun)化(Hua)中(Zhong)发(Fa)挥(Hui)着(Zhuo)重(Zhong)要(Yao)作(Zuo)用(Yong)。(?)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)协(Xie)会(Hui)不(Bu)制(Zhi)定(Ding)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun),(?)但(Dan)通(Tong)过(Guo)组(Zu)织(Zhi)合(He)格(Ge)的(De)工(Gong)作(Zuo)组(Zu)来(Lai)促(Cu)进(Jin)标(Biao)准(Zhun)的(De)建(Jian)立(Li)。(?)美(Mei)国(Guo)电(Dian)缆(Lan)标(Biao)准(Zhun)主(Zhu)要(Yao)由(You)美(Mei)国(Guo)工(Gong)业(Ye)协(Xie)会(Hui)/环(Huan)境(Jing)影(Ying)响(Xiang)评(Ping)估(Gu)制(Zhi)定(Ding):
(1)ANSI/TIA/EIA568-A至(Zhi)A5:商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)布(Bu)线(Xian)标(Biao)准(Zhun)(商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)布(Bu)线(Xian)标(Biao)准(Zhun))。(?)
1995/10/25
本(Ben)标(Biao)准(Zhun)和(He)国(Guo)际(Ji)标(Biao)准(Zhun)化(Hua)组(Zu)织(Zhi)/国(Guo)际(Ji)电(Dian)工(Gong)委(Wei)员(Yuan)会(Hui)11801均(Jun)于(Yu)1995年(Nian)制(Zhi)定(Ding),(?)并(Bing)由(You)电(Dian)信(Xin)行(Xing)业(Ye)协(Xie)会(Hui)工(Gong)作(Zuo)组(Zu)TR41.8.1发(Fa)布(Bu)。(?)它(Ta)定(Ding)义(Yi)了(Liao)语(Yu)音(Yin)和(He)数(Shu)据(Ju)通(Tong)信(Xin)布(Bu)线(Xian)系(Xi)统(Tong),(?)适(Shi)用(Yong)于(Yu)多(Duo)个(Ge)制(Zhi)造(Zao)商(Shang)和(He)产(Chan)品(Pin)的(De)应(Ying)用(Yong)环(Huan)境(Jing)。(?)本(Ben)标(Biao)准(Zhun)为(Wei)商(Shang)用(Yong)布(Bu)线(Xian)系(Xi)统(Tong)的(De)设(She)备(Bei)和(He)布(Bu)线(Xian)产(Chan)品(Pin)设(She)计(Ji)提(Ti)供(Gong)指(Zhi)导(Dao),(?)并(Bing)为(Wei)不(Bu)同(Tong)类(Lei)型(Xing)的(De)电(Dian)缆(Lan)和(He)连(Lian)接(Jie)硬(Ying)件(Jian)制(Zhi)定(Ding)性(Xing)能(Neng)和(He)技(Ji)术(Shu)术(Shu)语(Yu),(?)可(Ke)用(Yong)于(Yu)布(Bu)线(Xian)系(Xi)统(Tong)的(De)设(She)计(Ji)和(He)安(An)装(Zhuang)。(?)在(Zai)这(Zhe)个(Ge)标(Biao)准(Zhun)之(Zhi)后(Hou),(?)有(You)五(Wu)个(Ge)附(Fu)录(Lu)。(?)
增(Zeng)编(Bian)1(A1):100欧(Ou)姆(Mu)4对(Dui)电(Dian)缆(Lan)的(De)传(Chuan)播(Bo)延(Yan)迟(Chi)和(He)延(Yan)迟(Chi)偏(Pian)斜(Xie)规(Gui)范(Fan)(电(Dian)缆(Lan)传(Chuan)输(Shu)延(Yan)迟(Chi)和(He)延(Yan)迟(Chi)偏(Pian)移(Yi)100欧(Ou)姆(Mu)4的(De)规(Gui)范(Fan)),(?)1997/9/25
在(Zai)最(Zui)初(Chu)的(De)568-A标(Biao)准(Zhun)中(Zhong),(?)没(Mei)有(You)定(Ding)义(Yi)传(Chuan)输(Shu)延(Yan)迟(Chi)和(He)延(Yan)迟(Chi)偏(Pian)差(Cha),(?)因(Yin)为(Wei)这(Zhe)两(Liang)个(Ge)指(Zhi)标(Biao)在(Zai)当(Dang)时(Shi)的(De)系(Xi)统(Tong)应(Ying)用(Yong)中(Zhong)并(Bing)不(Bu)重(Zhong)要(Yao)。(?)然(Ran)而(?),(?)当(Dang)100VGAnyLAN网(Wang)络(Luo)应(Ying)用(Yong)出(Chu)现(Xian)时(Shi),(?)由(You)于(Yu)它(Ta)使(Shi)用(Yong)3类(Lei)双(Shuang)绞(Jiao)线(Xian)布(Bu)线(Xian)中(Zhong)的(De)所(Suo)有(You)四(Si)对(Dui)导(Dao)线(Xian)来(Lai)实(Shi)现(Xian)100Mbps传(Chuan)输(Shu),(?)因(Yin)此(Ci)需(Xu)要(Yao)传(Chuan)输(Shu)延(Yan)迟(Chi)和(He)延(Yan)迟(Chi)偏(Pian)差(Cha)。(?)此(Ci)时(Shi),(?)TIA同(Tong)意(Yi)将(Jiang)50ns的(De)延(Yan)迟(Chi)偏(Pian)差(Cha)定(Ding)义(Yi)为(Wei)最(Zui)低(Di)要(Yao)求(Qiu),(?)现(Xian)场(Chang)测(Ce)试(Shi)仪(Yi)器(Qi)(如(Ru)FlukeDSP系(Xi)列(Lie)数(Shu)字(Zi)电(Dian)缆(Lan)测(Ce)试(Shi)仪(Yi))可(Ke)以(Yi)在(Zai)当(Dang)时(Shi)实(Shi)现(Xian)这(Zhe)一(Yi)测(Ce)试(Shi),(?)因(Yin)此(Ci)自(Zi)然(Ran)引(Yin)入(Ru)了(Liao)这(Zhe)一(Yi)标(Biao)准(Zhun)。(?)
增(Zeng)编(Bian)2(A2):TIA/EIA-568-A(TIA/EIA-568-A标(Biao)准(Zhun)修(Xiu)订(Ding)和(He)附(Fu)录(Lu))的(De)修(Xiu)正(Zheng)和(He)增(Zeng)补(Bu),(?)1998/8/14
附(Fu)录(Lu)修(Xiu)改(Gai)了(Liao)568-a。(?)其(Qi)中(Zhong),(?)有(You)使(Shi)用(Yong)62.5/125微(Wei)米(Mi)光(Guang)纤(Xian)水(Shui)平(Ping)集(Ji)中(Zhong)光(Guang)纤(Xian)布(Bu)线(Xian)的(De)定(Ding)义(Yi)。(?)增(Zeng)加(Jia)了(Liao)TSB-67作(Zuo)为(Wei)现(Xian)场(Chang)试(Shi)验(Yan)方(Fang)法(Fa)等(Deng)。(?)
增(Zeng)编(Bian)3(A3):TIA/EIA-568-A(TIA/EIA-568-A标(Biao)准(Zhun)修(Xiu)订(Ding)和(He)附(Fu)录(Lu))的(De)更(Geng)正(Zheng)和(He)附(Fu)录(Lu)。(?)为(Wei)了(Liao)满(Man)足(Zu)开(Kai)放(Fang)式(Shi)办(Ban)公(Gong)结(Jie)构(Gou)的(De)布(Bu)线(Xian)要(Yao)求(Qiu),(?)本(Ben)附(Fu)录(Lu)修(Xiu)订(Ding)了(Liao)混(Hun)合(He)电(Dian)缆(Lan)的(De)性(Xing)能(Neng)规(Gui)范(Fan)。(?)混(Hun)合(He)电(Dian)缆(Lan)和(He)捆(Kun)绑(Bang)式(Shi)电(Dian)缆(Lan)的(De)新(Xin)规(Gui)范(Fan)要(Yao)求(Qiu)所(Suo)有(You)非(Fei)光(Guang)纤(Xian)电(Dian)缆(Lan)之(Zhi)间(Jian)的(De)近(Jin)端(Duan)串(Chuan)扰(Rao)功(Gong)率(Lu)总(Zong)和(He)NEXT比(Bi)每(Mei)根(Gen)电(Dian)缆(Lan)内(Nei)的(De)线(Xian)对(Dui)之(Zhi)间(Jian)的(De)NEXT高(Gao)3dB。(?)
增(Zeng)编(Bian)4(A4):本(Ben)附(Fu)录(Lu)中(Zhong)定(Ding)义(Yi)的(De)测(Ce)试(Shi)方(Fang)法(Fa)不(Bu)由(You)现(Xian)场(Chang)测(Ce)试(Shi)人(Ren)员(Yuan)完(Wan)成(Cheng)。(?)仅(Jin)涵(Han)盖(Gai)第(Di)5类(Lei)电(Dian)缆(Lan)中(Zhong)的(De)下(Xia)一(Yi)条(Tiao)。(?)
增(Zeng)编(Bian)5(A5):4对(Dui)100欧(Ou)姆(Mu)5E类(Lei)电(Dian)缆(Lan)的(De)传(Chuan)输(Shu)性(Xing)能(Neng)规(Gui)格(Ge)(100欧(Ou)姆(Mu)4以(Yi)增(Zeng)强(Qiang)5类(Lei)电(Dian)缆(Lan)的(De)传(Chuan)输(Shu)性(Xing)能(Neng)规(Gui)格(Ge)),(?)2000/2/1
自(Zi)1998年(Nian)以(Yi)来(Lai),(?)在(Zai)网(Wang)络(Luo)应(Ying)用(Yong)中(Zhong)已(Yi)经(Jing)成(Cheng)功(Gong)地(Di)开(Kai)发(Fa)了(Liao)用(Yong)于(Yu)4个(Ge)非(Fei)屏(Ping)蔽(Bi)双(Shuang)绞(Jiao)线(Xian)对(Dui)之(Zhi)间(Jian)同(Tong)时(Shi)双(Shuang)向(Xiang)传(Chuan)输(Shu)的(De)编(Bian)码(Ma)系(Xi)统(Tong)和(He)算(Suan)法(Fa)。(?)这(Zhe)是(Shi)IEEE千(Qian)兆(Zhao)以(Yi)太(Tai)网(Wang)中(Zhong)的(De)1000基(Ji)站(Zhan)。(?)为(Wei)此(Ci),(?)IEEE要(Yao)求(Qiu)TIA在(Zai)现(Xian)有(You)的(De)5个(Ge)指(Zhi)标(Biao)中(Zhong)添(Tian)加(Jia)一(Yi)些(Xie)参(Can)数(Shu),(?)以(Yi)确(Que)保(Bao)布(Bu)线(Xian)系(Xi)统(Tong)双(Shuang)向(Xiang)传(Chuan)输(Shu)的(De)质(Zhi)量(Liang)。(?)军(Jun)备(Bei)透(Tou)明(Ming)协(Xie)会(Hui)接(Jie)受(Shou)了(Liao)这(Zhe)一(Yi)请(Qing)求(Qiu),(?)并(Bing)于(Yu)1999年(Nian)11月(Yue)完(Wan)成(Cheng)了(Liao)该(Gai)项(Xiang)目(Mu)。(?)
与(Yu)TSB-95不(Bu)同(Tong),(?)本(Ben)文(Wen)件(Jian)中(Zhong)的(De)所(Suo)有(You)试(Shi)验(Yan)参(Can)数(Shu)都(Du)是(Shi)强(Qiang)制(Zhi)性(Xing)的(De),(?)不(Bu)推(Tui)荐(Jian)作(Zuo)为(Wei)TSB-95。(?)应(Ying)该(Gai)注(Zhu)意(Yi)的(De)是(Shi),(?)这(Zhe)里(Li)的(De)新(Xin)性(Xing)能(Neng)指(Zhi)标(Biao)比(Bi)过(Guo)去(Qu)5种(Zhong)类(Lei)型(Xing)的(De)系(Xi)统(Tong)严(Yan)格(Ge)得(De)多(Duo)。(?)本(Ben)标(Biao)准(Zhun)还(Huan)包(Bao)括(Kuo)现(Xian)场(Chang)测(Ce)试(Shi)仪(Yi)的(De)精(Jing)度(Du)要(Yao)求(Qiu),(?)即(Ji)IIe精(Jing)密(Mi)现(Xian)场(Chang)测(Ce)试(Shi)仪(Yi)。(?)这(Zhe)里(Li)还(Huan)应(Ying)该(Gai)注(Zhu)意(Yi)的(De)是(Shi),(?)3dB原(Yuan)理(Li)是(Shi)在(Zai)这(Zhe)个(Ge)标(Biao)准(Zhun)中(Zhong)引(Yin)入(Ru)的(De),(?)因(Yin)为(Wei)回(Hui)波(Bo)损(Sun)耗(Hao)故(Gu)障(Zhang)经(Jing)常(Chang)发(Fa)生(Sheng)在(Zai)测(Ce)试(Shi)中(Zhong)。(?)
TIA/eiatsb95:100ohm4-paircategory5电(Dian)缆(Lan)的(De)附(Fu)加(Jia)传(Chuan)输(Shu)性(Xing)能(Neng)指(Zhi)南(Nan)。(?)
TSB-95为(Wei)回(Hui)波(Bo)损(Sun)耗(Hao)和(He)等(Deng)效(Xiao)远(Yuan)端(Duan)串(Chuan)扰(Rao)(ELFEXT)提(Ti)出(Chu)了(Liao)新(Xin)的(De)信(Xin)道(Dao)参(Can)数(Shu)要(Yao)求(Qiu)。(?)这(Zhe)是(Shi)一(Yi)个(Ge)参(Can)数(Shu)设(She)置(Zhi),(?)以(Yi)确(Que)保(Bao)已(Yi)经(Jing)广(Guang)泛(Fan)安(An)装(Zhuang)的(De)传(Chuan)统(Tong)5类(Lei)布(Bu)线(Xian)系(Xi)统(Tong)能(Neng)够(Gou)支(Zhi)持(Chi)千(Qian)兆(Zhao)以(Yi)太(Tai)网(Wang)传(Chuan)输(Shu)。(?)由(You)于(Yu)该(Gai)标(Biao)准(Zhun)被(Bei)投(Tou)票(Piao)作(Zuo)为(Wei)指(Zhi)导(Dao)TSB(技(Ji)术(Shu)系(Xi)统(Tong)公(Gong)告(Gao)),(?)它(Ta)不(Bu)是(Shi)强(Qiang)制(Zhi)性(Xing)标(Biao)准(Zhun)。(?)必(Bi)须(Xu)注(Zhu)意(Yi),(?)本(Ben)指(Zhi)导(Dao)规(Gui)范(Fan)不(Bu)应(Ying)用(Yong)于(Yu)测(Ce)试(Shi)新(Xin)安(An)装(Zhuang)的(De)5类(Lei)布(Bu)线(Xian)系(Xi)统(Tong)。(?)我(Wo)们(Men)已(Yi)经(Jing)注(Zhu)意(Yi)到(Dao),(?)即(Ji)使(Shi)先(Xian)前(Qian)安(An)装(Zhuang)的(De)5类(Lei)布(Bu)线(Xian)系(Xi)统(Tong)通(Tong)过(Guo)了(Liao)TSB-95的(De)测(Ce)试(Shi),(?)其(Qi)中(Zhong)许(Xu)多(Duo)也(Ye)没(Mei)有(You)通(Tong)过(Guo)TIA568-A-5-2000的(De)测(Ce)试(Shi),(?)TIA568-A-5-2000是(Shi)增(Zeng)强(Qiang)型(Xing)5类(Lei)卡(Ka)特(Te)彼(Bi)勒(Le)。(?)5e标(Biao)准(Zhun)。(?)这(Zhe)是(Shi)因(Yin)为(Wei)5e类(Lei)标(Biao)准(Zhun)中(Zhong)的(De)一(Yi)些(Xie)指(Zhi)标(Biao)比(Bi)TSB-95标(Biao)准(Zhun)严(Yan)格(Ge)得(De)多(Duo)。(?)
TIA/EIA/IS-729:100欧(Ou)姆(Mu)屏(Ping)蔽(Bi)双(Shuang)绞(Jiao)线(Xian)电(Dian)缆(Lan)技(Ji)术(Shu)规(Gui)范(Fan)(100欧(Ou)姆(Mu)外(Wai)部(Bu)屏(Ping)蔽(Bi)双(Shuang)绞(Jiao)线(Xian)电(Dian)缆(Lan)技(Ji)术(Shu)规(Gui)范(Fan))这(Zhe)是(Shi)TIA-568-A和(He)国(Guo)际(Ji)标(Biao)准(Zhun)化(Hua)组(Zu)织(Zhi)/国(Guo)际(Ji)电(Dian)工(Gong)委(Wei)员(Yuan)会(Hui)11801外(Wai)部(Bu)屏(Ping)蔽(Bi)双(Shuang)绞(Jiao)线(Xian)电(Dian)缆(Lan)规(Gui)范(Fan)的(De)临(Lin)时(Shi)标(Biao)准(Zhun)。(?)它(Ta)定(Ding)义(Yi)了(Liao)ScTP链(Lian)路(Lu)、(?)组(Zu)件(Jian)的(De)插(Cha)座(Zuo)接(Jie)口(Kou)、(?)屏(Ping)蔽(Bi)效(Xiao)率(Lu)、(?)安(An)装(Zhuang)方(Fang)法(Fa)等(Deng)参(Can)数(Shu)。(?)
(二(?))ProposedTIA/EIA-568-B.1,TIA/EIA-568-B.2,ANDTIA/EIA-568-B.3(即(Ji)将(Jiang)发(Fa)布(Bu)的(De)TIA/EIA-568-B.1,TIA/EIA-568-B.2,和(He)TIA/EIA-568-B.3标(Biao)准(Zhun))
TR42.1委(Wei)员(Yuan)会(Hui)是(Shi)负(Fu)责(Ze)制(Zhi)定(Ding)布(Bu)线(Xian)标(Biao)准(Zhun)的(De)委(Wei)员(Yuan)会(Hui),(?)负(Fu)责(Ze)制(Zhi)定(Ding)和(He)维(Wei)护(Hu)相(Xiang)关(Guan)标(Biao)准(Zhun)。(?)这(Zhe)些(Xie)标(Biao)准(Zhun)涵(Han)盖(Gai)布(Bu)线(Xian)系(Xi)统(Tong)的(De)拓(Tuo)扑(Pu)、(?)结(Jie)构(Gou)、(?)设(She)计(Ji)、(?)安(An)装(Zhuang)、(?)测(Ce)试(Shi)和(He)性(Xing)能(Neng)要(Yao)求(Qiu)。(?)自(Zi)从(Cong)TIA/EIA-568-A发(Fa)布(Bu)以(Yi)来(Lai),(?)高(Gao)性(Xing)能(Neng)产(Chan)品(Pin)和(He)市(Shi)场(Chang)应(Ying)用(Yong)要(Yao)求(Qiu)的(De)变(Bian)化(Hua)也(Ye)对(Dui)该(Gai)标(Biao)准(Zhun)提(Ti)出(Chu)了(Liao)更(Geng)高(Gao)的(De)要(Yao)求(Qiu)。(?)委(Wei)员(Yuan)会(Hui)还(Huan)出(Chu)版(Ban)了(Liao)许(Xu)多(Duo)标(Biao)准(Zhun)增(Zeng)编(Bian)、(?)临(Lin)时(Shi)标(Biao)准(Zhun)和(He)技(Ji)术(Shu)公(Gong)报(Bao)(TSB)。(?)为(Wei)了(Liao)简(Jian)化(Hua)下(Xia)一(Yi)代(Dai)的(De)568-A标(Biao)准(Zhun),(?)TR42.1委(Wei)员(Yuan)会(Hui)决(Jue)定(Ding)将(Jiang)新(Xin)标(Biao)准(Zhun)“(?)统(Tong)一(Yi)”(?)为(Wei)三(San)个(Ge)。(?)每(Mei)个(Ge)部(Bu)分(Fen)都(Du)和(He)当(Dang)前(Qian)的(De)568-A章(Zhang)有(You)相(Xiang)同(Tong)的(De)重(Zhong)点(Dian)。(?)
Ansi/TIA/eia568-b.1:商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)布(Bu)线(Xian)标(Biao)准(Zhun)(商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)布(Bu)线(Xian)系(Xi)统(Tong)标(Biao)准(Zhun)),(?)第(Di)一(Yi)部(Bu)分(Fen):一(Yi)般(Ban)要(Yao)求(Qiu)该(Gai)标(Biao)准(Zhun)目(Mu)前(Qian)处(Chu)于(Yu)起(Qi)草(Cao)阶(Jie)段(Duan),(?)并(Bing)将(Jiang)最(Zui)终(Zhong)取(Qu)代(Dai)ansi/TIA/EIA-568-a。(?)该(Gai)标(Biao)准(Zhun)侧(Ce)重(Zhong)于(Yu)水(Shui)平(Ping)和(He)主(Zhu)干(Gan)布(Bu)线(Xian)拓(Tuo)扑(Pu)、(?)距(Ju)离(Li)、(?)介(Jie)质(Zhi)选(Xuan)择(Ze)、(?)工(Gong)作(Zuo)空(Kong)间(Jian)连(Lian)接(Jie)、(?)开(Kai)放(Fang)式(Shi)办(Ban)公(Gong)室(Shi)布(Bu)线(Xian)、(?)电(Dian)信(Xin)和(He)设(She)备(Bei)室(Shi)、(?)安(An)装(Zhuang)方(Fang)法(Fa)和(He)现(Xian)场(Chang)测(Ce)试(Shi)。(?)
其(Qi)标(Biao)准(Zhun)包(Bao)括(Kuo)TIA/EIAtsb67、(?)TIA/EIAtsb72、(?)TIA/EIAtsb75、(?)TIA/EIAtsb95、(?)ansi/TIA/EIA-568-a-2、(?)a-3、(?)A-5、(?)TIA/EIA/IS-729等(Deng)。(?)
注(Zhu):由(You)于(Yu)本(Ben)标(Biao)准(Zhun)用(Yong)永(Yong)久(Jiu)链(Lian)接(Jie)的(De)定(Ding)义(Yi)代(Dai)替(Ti)了(Liao)基(Ji)本(Ben)链(Lian)接(Jie)的(De)定(Ding)义(Yi),(?)因(Yin)此(Ci)在(Zai)索(Suo)引(Yin)值(Zhi)方(Fang)面(Mian)不(Bu)同(Tong)于(Yu)ANSI/TIA/EIA568-A5。(?)
Ansi/TIA/eia568-b.2:商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)布(Bu)线(Xian)标(Biao)准(Zhun)第(Di)二(?)部(Bu)分(Fen):平(Ping)衡(Heng)双(Shuang)绞(Jiao)线(Xian)布(Bu)线(Xian)系(Xi)统(Tong)本(Ben)标(Biao)准(Zhun)侧(Ce)重(Zhong)于(Yu)平(Ping)衡(Heng)双(Shuang)绞(Jiao)线(Xian)电(Dian)缆(Lan)、(?)跳(Tiao)线(Xian)、(?)连(Lian)接(Jie)硬(Ying)件(Jian)(包(Bao)括(Kuo)ScTP和(He)150欧(Ou)姆(Mu)STP-A设(She)备(Bei))的(De)电(Dian)气(Qi)和(He)机(Ji)械(Xie)性(Xing)能(Neng)规(Gui)范(Fan),(?)以(Yi)及(Ji)组(Zu)件(Jian)可(Ke)靠(Kao)性(Xing)测(Ce)试(Shi)规(Gui)范(Fan)、(?)现(Xian)场(Chang)测(Ce)试(Shi)仪(Yi)性(Xing)能(Neng)规(Gui)范(Fan)、(?)实(Shi)验(Yan)室(Shi)和(He)现(Xian)场(Chang)测(Ce)试(Shi)仪(Yi)之(Zhi)间(Jian)的(De)比(Bi)较(Jiao)方(Fang)法(Fa)等(Deng)。(?)它(Ta)结(Jie)合(He)了(Liao)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)协(Xie)会(Hui)/交(Jiao)通(Tong)影(Ying)响(Xiang)评(Ping)估(Gu)-568-1和(He)一(Yi)些(Xie)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)协(Xie)会(Hui)/交(Jiao)通(Tong)影(Ying)响(Xiang)评(Ping)估(Gu)/环(Huan)境(Jing)影(Ying)响(Xiang)评(Ping)估(Gu)-568-A-2,(?)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)协(Xie)会(Hui)/交(Jiao)通(Tong)影(Ying)响(Xiang)评(Ping)估(Gu)/环(Huan)境(Jing)影(Ying)响(Xiang)评(Ping)估(Gu)-568-A-3,(?)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)协(Xie)会(Hui)/交(Jiao)通(Tong)影(Ying)响(Xiang)评(Ping)估(Gu)/环(Huan)境(Jing)影(Ying)响(Xiang)评(Ping)估(Gu)-568-A-5,(?)国(Guo)际(Ji)标(Biao)准(Zhun)协(Xie)会(Hui)/交(Jiao)通(Tong)影(Ying)响(Xiang)评(Ping)估(Gu)-729,(?)TSB95。(?)
ANSI/TIA/EIA568-B.2.1:ANSI/TIA/EIA568-b.2的(De)附(Fu)录(Lu)虽(Sui)然(Ran)ANSI/TIA/EIA568-b.2仍(Reng)处(Chu)于(Yu)起(Qi)草(Cao)阶(Jie)段(Duan),(?)但(Dan)有(You)一(Yi)个(Ge)附(Fu)录(Lu)会(Hui)让(Rang)人(Ren)困(Kun)惑(Huo),(?)但(Dan)它(Ta)是(Shi)要(Yao)分(Fen)别(Bie)处(Chu)理(Li)目(Mu)前(Qian)的(De)六(Liu)类(Lei)问(Wen)题(Ti),(?)也(Ye)是(Shi)因(Yin)为(Wei)这(Zhe)六(Liu)类(Lei)标(Biao)准(Zhun)还(Huan)有(You)很(Hen)多(Duo)工(Gong)作(Zuo)要(Yao)做(Zuo)。(?)
Ansi/TIA/eia568-b.3:商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)布(Bu)线(Xian)标(Biao)准(Zhun)(商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)布(Bu)线(Xian)系(Xi)统(Tong)标(Biao)准(Zhun)),(?)第(Di)三(San)部(Bu)分(Fen):光(Guang)纤(Xian)布(Bu)线(Xian)组(Zu)件(Jian)标(Biao)准(Zhun)
本(Ben)标(Biao)准(Zhun)定(Ding)义(Yi)了(Liao)光(Guang)纤(Xian)布(Bu)线(Xian)系(Xi)统(Tong)的(De)组(Zu)件(Jian)和(He)传(Chuan)输(Shu)性(Xing)能(Neng)指(Zhi)标(Biao),(?)包(Bao)括(Kuo)光(Guang)缆(Lan)、(?)光(Guang)跳(Tiao)线(Xian)和(He)连(Lian)接(Jie)硬(Ying)件(Jian)的(De)电(Dian)气(Qi)和(He)机(Ji)械(Xie)性(Xing)能(Neng)要(Yao)求(Qiu)、(?)设(She)备(Bei)可(Ke)靠(Kao)性(Xing)测(Ce)试(Shi)规(Gui)范(Fan)和(He)现(Xian)场(Chang)测(Ce)试(Shi)性(Xing)能(Neng)规(Gui)范(Fan)。(?)本(Ben)标(Biao)准(Zhun)将(Jiang)取(Qu)代(Dai)ANSI/TIA/EIA-568-A中(Zhong)的(De)相(Xiang)应(Ying)内(Nei)容(Rong)。(?)一(Yi)般(Ban)来(Lai)说(Shuo),(?)ANSI/TIA/EIA568-B将(Jiang)是(Shi)自(Zi)1991年(Nian)以(Yi)来(Lai)ANSI/EIA/TIA-568标(Biao)准(Zhun)发(Fa)布(Bu)后(Hou)的(De)第(Di)三(San)个(Ge)版(Ban)本(Ben)。(?)
(3)TIA/EIA-569-A“(?)商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)通(Tong)道(Dao)和(He)空(Kong)间(Jian)”(?)(商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)通(Tong)道(Dao)和(He)空(Kong)间(Jian)标(Biao)准(Zhun))
本(Ben)标(Biao)准(Zhun)涵(Han)盖(Gai)建(Jian)筑(Zhu)物(Wu)内(Nei)和(He)建(Jian)筑(Zhu)物(Wu)之(Zhi)间(Jian)的(De)电(Dian)信(Xin)设(She)备(Bei),(?)如(Ru)电(Dian)缆(Lan)和(He)硬(Ying)件(Jian)。(?)
tia/eia-568与(Yu)TIA/EIA-569-A的(De)比(Bi)较(Jiao)
TIA/EIA-568(布(Bu)线(Xian))TIA/EIA-569(通(Tong)道(Dao)和(He)空(Kong)间(Jian))
4.水(Shui)平(Ping)布(Bu)线(Xian)4。(?)水(Shui)平(Ping)通(Tong)道(Dao)
5.主(Zhu)干(Gan)道(Dao)5号(Hao)。(?)主(Zhu)干(Gan)信(Xin)道(Dao)
6.工(Gong)作(Zuo)区(Qu)6。(?)工(Gong)作(Zuo)站(Zhan)
7.电(Dian)信(Xin)专(Zhuan)用(Yong)7号(Hao)房(Fang)。(?)电(Dian)信(Xin)私(Si)人(Ren)房(Fang)间(Jian)
8.设(She)备(Bei)室(Shi)8。(?)机(Ji)房(Fang)
9.导(Dao)入(Ru)设(She)施(Shi)9。(?)导(Dao)入(Ru)设(She)施(Shi)
(4)TIA-570-A“(?)住(Zhu)宅(Zhai)电(Dian)信(Xin)布(Bu)线(Xian)标(Biao)准(Zhun)”(?)
(5)TIA/EIA-606《(?)电(Dian)信(Xin)组(Zu)织(Zhi)基(Ji)础(Chu)设(She)施(Shi)管(Guan)理(Li)标(Biao)准(Zhun)》(?)(商(Shang)业(Ye)建(Jian)筑(Zhu)电(Dian)信(Xin)基(Ji)础(Chu)设(She)施(Shi)管(Guan)理(Li)标(Biao)准(Zhun))1993.2606标(Biao)准(Zhun)的(De)由(You)来(Lai)是(Shi)TIA/EIA-568和(He)TIA/EIA-569标(Biao)准(Zhun)。(?)在(Zai)编(Bian)写(Xie)这(Zhe)些(Xie)标(Biao)准(Zhun)的(De)过(Guo)程(Cheng)中(Zhong),(?)作(Zuo)者(Zhe)试(Shi)图(Tu)提(Ti)出(Chu)电(Dian)信(Xin)管(Guan)理(Li)的(De)目(Mu)标(Biao)。(?)然(Ran)而(?),(?)委(Wei)员(Yuan)会(Hui)很(Hen)快(Kuai)发(Fa)现(Xian)管(Guan)理(Li)本(Ben)身(Shen)的(De)主(Zhu)张(Zhang)应(Ying)该(Gai)标(Biao)准(Zhun)化(Hua),(?)于(Yu)是(Shi)TR41.8.3管(Guan)理(Li)标(Biao)准(Zhun)开(Kai)始(Shi)制(Zhi)定(Ding)。(?)该(Gai)标(Biao)准(Zhun)用(Yong)于(Yu)识(Shi)别(Bie)布(Bu)线(Xian)和(He)硬(Ying)件(Jian),(?)旨(Zhi)在(Zai)提(Ti)供(Gong)独(Du)立(Li)于(Yu)应(Ying)用(Yong)程(Cheng)序(Xu)的(De)统(Tong)一(Yi)管(Guan)理(Li)方(Fang)案(An)。(?)