编(Bian)辑(Ji):(?)正(Zheng)瑞(Rui)电(Dian)子(Zi) 发(Fa)布(Bu)时(Shi)间(Jian):(?)2020-07-15 阅(Yue)读(Du):(?)6973
一(Yi)、(?)综(Zong)述(Shu)
GPS网(Wang)络(Luo)时(Shi)间(Jian)服(Fu)务(Wu)器(Qi)Network Time:(?)Protocol((?)NTP)(?)是(Shi)用(Yong)来(Lai)使(Shi)计(Ji)算(Suan)机(Ji)时(Shi)间(Jian)同(Tong)步(Bu)化(Hua)的(De)一(Yi)种(Zhong)协(Xie)议(Yi),(?)它(Ta)可(Ke)以(Yi)使(Shi)计(Ji)算(Suan)机(Ji)对(Dui)其(Qi)服(Fu)务(Wu)器(Qi)或(Huo)时(Shi)钟(Zhong)源(Yuan)((?)如(Ru)石(Shi)英(Ying)钟(Zhong),(?)GPS等(Deng)等(Deng))(?)做(Zuo)同(Tong)步(Bu)化(Hua),(?)提(Ti)供(Gong)高(Gao)精(Jing)准(Zhun)度(Du)的(De)时(Shi)间(Jian)校(Xiao)正(Zheng)((?)LAN上(Shang)与(Yu)标(Biao)准(Zhun)间(Jian)差(Cha)小(Xiao)于(Yu)1毫(Hao)秒(Miao),(?)WAN上(Shang)几(Ji)十(Shi)毫(Hao)秒(Miao))(?),(?)且(Qie)可(Ke)采(Cai)用(Yong)加(Jia)密(Mi)确(Que)认(Ren)的(De)方(Fang)式(Shi)来(Lai)防(Fang)止(Zhi)恶(E)毒(Du)的(De)协(Xie)议(Yi)攻(Gong)击(Ji)。(?)
RJ45网(Wang)络(Luo)接(Jie)口(Kou)提(Ti)供(Gong)NTP(网(Wang)络(Luo)时(Shi)间(Jian)规(Gui)约(Yue))对(Dui)时(Shi)功(Gong)能(Neng),(?)IP地(Di)址(Zhi)可(Ke)设(She)置(Zhi)。(?)
GPS网(Wang)络(Luo)时(Shi)间(Jian)服(Fu)务(Wu)器(Qi)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)国(Guo)内(Nei)数(Shu)家(Jia)大(Da)型(Xing)电(Dian)厂(Chang)、(?)变(Bian)电(Dian)站(Zhan)等(Deng)其(Qi)他(Ta)大(Da)型(Xing)企(Qi)业(Ye)的(De)局(Ju)域(Yu)网(Wang)、(?)sis网(Wang)、(?)mis网(Wang)等(Deng)。(?)
我(Wo)公(Gong)司(Si)生(Sheng)产(Chan)的(De)NTP网(Wang)络(Luo)时(Shi)间(Jian)服(Fu)务(Wu)器(Qi)是(Shi)一(Yi)种(Zhong)高(Gao)科(Ke)技(Ji)智(Zhi)能(Neng)的(De)、(?)可(Ke)独(Du)立(Li)工(Gong)作(Zuo)的(De)基(Ji)于(Yu)NTP/SNTP协(Xie)议(Yi)的(De)高(Gao)精(Jing)度(Du)时(Shi)间(Jian)服(Fu)务(Wu)器(Qi),(?)GPS2UN型(Xing)NTP网(Wang)络(Luo)时(Shi)间(Jian)服(Fu)务(Wu)器(Qi)从(Cong) GPS/BD从(Cong)GPS或(Huo)北(Bei)斗(Dou)地(Di)球(Qiu)同(Tong)步(Bu)卫(Wei)星(Xing)上(Shang)获(Huo)取(Qu)标(Biao)准(Zhun)时(Shi)钟(Zhong)信(Xin)号(Hao)信(Xin)息(Xi),(?)将(Jiang)这(Zhe)些(Xie)信(Xin)息(Xi)在(Zai)网(Wang)络(Luo)中(Zhong)传(Chuan)输(Shu),(?)网(Wang)络(Luo)中(Zhong)需(Xu)要(Yao)时(Shi)间(Jian)信(Xin)号(Hao)的(De)设(She)备(Bei)如(Ru)计(Ji)算(Suan)机(Ji),(?)控(Kong)制(Zhi)器(Qi)等(Deng)设(She)备(Bei)就(Jiu)可(Ke)以(Yi)与(Yu)标(Biao)准(Zhun)时(Shi)钟(Zhong)信(Xin)号(Hao)同(Tong)步(Bu)。(?)同(Tong)时(Shi)使(Shi)用(Yong)GPS和(He)北(Bei)斗(Dou)接(Jie)收(Shou)机(Ji)时(Shi)可(Ke)定(Ding)义(Yi)优(You)先(Xian)级(Ji),(?)缺(Que)省(Sheng)设(She)置(Zhi)为(Wei)北(Bei)斗(Dou)优(You)先(Xian),(?)GPS后(Hou)备(Bei);(?)当(Dang)两(Liang)个(Ge)接(Jie)收(Shou)机(Ji)都(Du)无(Wu)信(Xin)号(Hao)时(Shi),(?)使(Shi)用(Yong)内(Nei)置(Zhi)的(De)恒(Heng)温(Wen)晶(Jing)振(Zhen)守(Shou)时(Shi),(?)守(Shou)时(Shi)精(Jing)度(Du)可(Ke)达(Da)1E-9。(?)NTP时(Shi)间(Jian)服(Fu)务(Wu)器(Qi)DNTS-8使(Shi)用(Yong)标(Biao)准(Zhun)的(De)时(Shi)钟(Zhong)信(Xin)息(Xi)通(Tong)过(Guo)TCP/IP网(Wang)络(Luo)传(Chuan)输(Shu),(?)GPS2UN型(Xing)NTP网(Wang)络(Luo)时(Shi)间(Jian)服(Fu)务(Wu)器(Qi)支(Zhi)持(Chi)多(Duo)种(Zhong)流(Liu)行(Xing)的(De)时(Shi)间(Jian)发(Fa)布(Bu)协(Xie)议(Yi)。(?)NTP时(Shi)间(Jian)服(Fu)务(Wu)器(Qi)同(Tong)时(Shi)支(Zhi)持(Chi)SNTP协(Xie)议(Yi)的(De)广(Guang)播(Bo)工(Gong)作(Zuo)模(Mo)式(Shi) .
二(?)、(?)产(Chan)品(Pin)图(Tu)
实(Shi)物(Wu)图(Tu)
功(Gong)能(Neng)示(Shi)意(Yi)图(Tu)
三(San)、(?)技(Ji)术(Shu)参(Can)数(Shu)
授(Shou)时(Shi)精(Jing)度(Du):1-10ms
支(Zhi)持(Chi)协(Xie)议(Yi):NTP/SNTP V10,V20,V30,V40,SNMP,UDP,Telnet,IP,TCP
网(Wang)口(Kou)数(Shu)量(Liang) :1-4 10/100M自(Zi)适(Shi)应(Ying)以(Yi)太(Tai)网(Wang)
CPU:双(Shuang)CPU同(Tong)时(Shi)工(Gong)作(Zuo),(?)32位(Wei)CPU为(Wei)双(Shuang)核(He)处(Chu)理(Li)器(Qi),(?)性(Xing)能(Neng)及(Ji)大(Da)提(Ti)高(Gao)
卫(Wei)星(Xing)接(Jie)收(Shou)机(Ji) :GPS,北(Bei)斗(Dou)双(Shuang)系(Xi)统(Tong),可(Ke)指(Zhi)定(Ding)优(You)先(Xian)级(Ji)
守(Shou)时(Shi)功(Gong)能(Neng):恒(Heng)稳(Wen)晶(Jing)振(Zhen)精(Jing)度(Du)可(Ke)达(Da)1E-9
吞(Tun)吐(Tu)量(Liang) :可(Ke)满(Man)足(Zu)每(Mei)秒(Miao)2000次(Ci)时(Shi)间(Jian)请(Qing)求(Qiu)
授(Shou)时(Shi)记(Ji)录(Lu):保(Bao)存(Cun)最(Zui)新(Xin)300条(Tiao)
本(Ben)地(Di)告(Gao)警(Jing) :继(Ji)电(Dian)器(Qi)最(Zui)大(Da)电(Dian)流(Liu)10A
输(Shu)出(Chu)接(Jie)口(Kou):RS232/485,IRIG-B,RJ45,1PPS/PPM/PPH
四(Si)、(?)现(Xian)场(Chang)安(An)装(Zhuang)图(Tu)
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