数(Shu)据(Ju)中(Zhong)心(Xin)结(Jie)构(Gou)化(Hua)网(Wang)络(Luo)综(Zong)合(He)布(Bu)线(Xian)标(Biao)准(Zhun)

欧(Ou)洲(Zhou)电(Dian)气(Qi)标(Biao)准(Zhun)化(Hua)委(Wei)员(Yuan)会(Hui)(CENELEC)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)正(Zheng)在(Zai)为(Wei)数(Shu)据(Ju)中(Zhong)心(Xin)开(Kai)发(Fa)结(Jie)构(Gou)化(Hua)布(Bu)线(Xian)标(Biao)准(Zhun):CENELECEN50173-5信(Xin)息(Xi)技(Ji)术(Shu)-通(Tong)用(Yong)布(Bu)线(Xian)系(Xi)统(Tong)第(Di)5部(Bu)分(Fen):数(Shu)据(Ju)中(Zhong)心(Xin)，(?)计(Ji)划(Hua)于(Yu)今(Jin)年(Nian)完(Wan)成(Cheng)去(Qu)年(Nian)发(Fa)布(Bu)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)24764信(Xin)息(Xi)技(Ji)术(Shu)-数(Shu)据(Ju)中(Zhong)心(Xin)综(Zong)合(He)布(Bu)线(Xian)系(Xi)统(Tong)标(Biao)准(Zhun)化(Hua)也(Ye)将(Jiang)于(Yu)2007年(Nian)或(Huo)2008年(Nian)结(Jie)束(Shu)

这(Zhe)些(Xie)标(Biao)准(Zhun)遵(Zun)循(Xun)TIA-942数(Shu)据(Ju)中(Zhong)心(Xin)通(Tong)信(Xin)基(Ji)础(Chu)设(She)施(Shi)标(Biao)准(Zhun)中(Zhong)的(De)结(Jie)构(Gou)化(Hua)布(Bu)线(Xian)原(Yuan)则(Ze)，(?)但(Dan)仅(Jin)限(Xian)于(Yu)布(Bu)线(Xian)部(Bu)分(Fen)与(Yu)TIA-942不(Bu)同(Tong)，(?)它(Ta)们(Men)不(Bu)包(Bao)括(Kuo)数(Shu)据(Ju)中(Zhong)心(Xin)访(Fang)问(Wen)、(?)空(Kong)间(Jian)和(He)设(She)计(Ji)，(?)所(Suo)有(You)介(Jie)质(Zhi)之(Zhi)间(Jian)的(De)水(Shui)平(Ping)路(Lu)由(You)距(Ju)离(Li)不(Bu)限(Xian)于(Yu)100米(Mi)

cenelec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)标(Biao)准(Zhun)不(Bu)同(Tong)于(Yu)TIA，(?)前(Qian)者(Zhe)规(Gui)定(Ding)用(Yong)于(Yu)水(Shui)平(Ping)布(Bu)线(Xian)的(De)UTP电(Dian)缆(Lan)应(Ying)至(Zhi)少(Shao)使(Shi)用(Yong)6种(Zhong)导(Dao)线(Xian)，(?)而(?)后(Hou)者(Zhe)是(Shi)5e种(Zhong)导(Dao)线(Xian)TIA允(Yun)许(Xu)在(Zai)T3、(?)E1和(He)E3电(Dian)路(Lu)中(Zhong)使(Shi)用(Yong)75ω(?)同(Tong)轴(Zhou)电(Dian)缆(Lan)，(?)但(Dan)是(Shi)CENELEC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)没(Mei)有(You)指(Zhi)定(Ding)同(Tong)轴(Zhou)电(Dian)缆(Lan)。(?)

所(Suo)有(You)三(San)个(Ge)数(Shu)据(Ju)中(Zhong)心(Xin)标(Biao)准(Zhun)都(Du)支(Zhi)持(Chi)单(Dan)模(Mo)和(He)双(Shuang)模(Mo)光(Guang)纤(Xian)使(Shi)用(Yong)多(Duo)模(Mo)光(Guang)纤(Xian)时(Shi)，(?)建(Jian)议(Yi)使(Shi)用(Yong)针(Zhen)对(Dui)激(Ji)光(Guang)优(You)化(Hua)的(De)850nm50/125m光(Guang)纤(Xian)OM3，(?)以(Yi)提(Ti)供(Gong)高(Gao)速(Su)应(Ying)用(Yong)所(Suo)需(Xu)的(De)额(E)外(Wai)带(Dai)宽(Kuan)和(He)传(Chuan)输(Shu)距(Ju)离(Li)。(?)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)和(He)欧(Ou)洲(Zhou)电(Dian)工(Gong)委(Wei)员(Yuan)会(Hui)起(Qi)草(Cao)的(De)标(Biao)准(Zhun)都(Du)规(Gui)定(Ding)液(Ye)晶(Jing)连(Lian)接(Jie)器(Qi)用(Yong)于(Yu)单(Dan)模(Mo)和(He)多(Duo)模(Mo)光(Guang)纤(Xian)。(?)

cenelec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)标(Biao)准(Zhun)还(Huan)包(Bao)括(Kuo)一(Yi)个(Ge)附(Fu)录(Lu)，(?)当(Dang)高(Gao)速(Su)应(Ying)用(Yong)通(Tong)道(Dao)中(Zhong)有(You)两(Liang)对(Dui)以(Yi)上(Shang)的(De)连(Lian)接(Jie)器(Qi)时(Shi)，(?)该(Gai)附(Fu)录(Lu)给(Gei)出(Chu)了(Liao)最(Zui)大(Da)传(Chuan)输(Shu)距(Ju)离(Li)通(Tong)过(Guo)多(Duo)个(Ge)交(Jiao)叉(Cha)连(Lian)接(Jie)在(Zai)数(Shu)据(Ju)中(Zhong)心(Xin)不(Bu)同(Tong)部(Bu)分(Fen)的(De)不(Bu)同(Tong)设(She)备(Bei)之(Zhi)间(Jian)建(Jian)立(Li)连(Lian)接(Jie)路(Lu)由(You)是(Shi)非(Fei)常(Chang)常(Chang)见(Jian)的(De)。(?)当(Dang)交(Jiao)叉(Cha)连(Lian)接(Jie)的(De)数(Shu)量(Liang)增(Zeng)加(Jia)时(Shi)，(?)最(Zui)大(Da)传(Chuan)输(Shu)距(Ju)离(Li)相(Xiang)应(Ying)减(Jian)小(Xiao)。(?)附(Fu)录(Lu)中(Zhong)涵(Han)盖(Gai)的(De)高(Gao)速(Su)应(Ying)用(Yong)包(Bao)括(Kuo)10兆(Zhao)位(Wei)/秒(Miao)、(?)100兆(Zhao)位(Wei)/秒(Miao)、(?)1千(Qian)兆(Zhao)位(Wei)/秒(Miao)和(He)10千(Qian)兆(Zhao)位(Wei)/秒(Miao)以(Yi)太(Tai)网(Wang)