分分快三

产物展现
SYN2136型斗极NTP收集时候办事器
价钱(qian)面议: ****
SYN2138型CDMA时候办事器
价钱(qian)面议(yi): ****
SYN2139型NTP时候办事器
价钱面议: ****
SYN2151型NTP时候同步办事器
价钱面(mian)议: ****
ntp时候办事器专栏

ntp时候办事器价钱剖析

 二维码 111
颁发时候:2020-02-28 07:17作者:同步全国来(lai)历(li):首创

ntp时候办事器的价钱也关乎着用户的挑选,那末若何能够或许或许或许或许挑选一款价钱适中并且功效占大都的ntp时候办事器呢。**咱们要领会ntp时候办事器的界说、功效、道理。如许能力挑选适合的ntp时候办事器。

那末ntp时(shi)(shi)(shi)候(hou)办(ban)(ban)事(shi)器(qi)(qi)(qi)(qi)是(shi)(shi)甚(shen)么呢,ntp时(shi)(shi)(shi)候(hou)办(ban)(ban)事(shi)器(qi)(qi)(qi)(qi)是(shi)(shi)操纵NTP收(shou)集时(shi)(shi)(shi)候(hou)和谈停(ting)(ting)止校时(shi)(shi)(shi)的(de)时(shi)(shi)(shi)候(hou)办(ban)(ban)事(shi)器(qi)(qi)(qi)(qi),它是(shi)(shi)同步计较(jiao)机(ji)的(de)和谈。ntp办(ban)(ban)事(shi)器(qi)(qi)(qi)(qi)因(yin)此卫星旌旗(qi)灯号(hao)为时(shi)(shi)(shi)候(hou)基准,输(shu)入(ru)NTP收(shou)集、串口、秒(miao)脉冲等时(shi)(shi)(shi)候(hou)信息给终端装备停(ting)(ting)止校时(shi)(shi)(shi)。ntp办(ban)(ban)事(shi)器(qi)(qi)(qi)(qi)普(pu)通因(yin)此ntp收(shou)集旌旗(qi)灯号(hao)授时(shi)(shi)(shi)的(de),以UTC全国同一时(shi)(shi)(shi)候(hou)作(zuo)为规范(fan)时(shi)(shi)(shi)候(hou)输(shu)入(ru)的(de),而(er)后按照地点(dian)的(de)时(shi)(shi)(shi)区差别转换为本地时(shi)(shi)(shi)候(hou),ntp办(ban)(ban)事(shi)器(qi)(qi)(qi)(qi)能辨认查抄(chao)对时(shi)(shi)(shi)信息,以肯定时(shi)(shi)(shi)候(hou)信息是(shi)(shi)不(bu)是(shi)(shi)是(shi)(shi)真(zhen)正来(lai)自ntp办(ban)(ban)事(shi)器(qi)(qi)(qi)(qi),从(cong)而(er)供(gong)给抗搅扰(rao)的(de)掩护(hu)机(ji)制避免病毒(du)进犯(fan)。

ntp时(shi)候(hou)(hou)办事(shi)器(qi)首要以(yi)收集(ji)授(shou)(shou)时(shi)功效为主,规范的(de)(de)ntp时(shi)候(hou)(hou)办事(shi)器(qi)输入收集(ji)信息、串口信息、脉冲(chong)信息,但用户若是须(xu)要而增加、PTP、IRIG-B码、等授(shou)(shou)时(shi)旌旗(qi)灯(deng)(deng)号(hao)(hao),价钱就会有所差别。ntp时(shi)候(hou)(hou)办事(shi)器(qi)按(an)照(zhao)领受卫星(xing)时(shi)候(hou)(hou)旌旗(qi)灯(deng)(deng)号(hao)(hao)源的(de)(de)差别价钱也不不异,ntp时(shi)候(hou)(hou)办事(shi)器(qi)有撑(cheng)持单卫星(xing)旌旗(qi)灯(deng)(deng)号(hao)(hao)的(de)(de)装备,也有撑(cheng)持多种卫星(xing)旌旗(qi)灯(deng)(deng)号(hao)(hao)的(de)(de)装备。




ntp时(shi)候(hou)(hou)办(ban)事(shi)(shi)器按照(zhao)(zhao)输入(ru)时(shi)候(hou)(hou)旌旗(qi)灯号(hao)路数的(de)几多也会影(ying)响价(jia)钱(qian),输入(ru)时(shi)候(hou)(hou)旌旗(qi)灯号(hao)路数能够(gou)或(huo)(huo)许(xu)或(huo)(huo)许(xu)或(huo)(huo)许(xu)按照(zhao)(zhao)须要(yao)而增加。普(pu)通(tong)环(huan)境下ntp时(shi)候(hou)(hou)办(ban)事(shi)(shi)器收集(ji)接口为百兆,ntp吞吐(tu)(tu)量4000次(ci)/秒(miao)(miao),但也能够(gou)或(huo)(huo)许(xu)或(huo)(huo)许(xu)或(huo)(huo)许(xu)进级为千兆,ntp吞吐(tu)(tu)量14000次(ci)/秒(miao)(miao)。ntp时(shi)候(hou)(hou)办(ban)事(shi)(shi)器操纵时(shi)钟源(yuan)停止定时(shi),普(pu)通(tong)环(huan)境下ntp时(shi)候(hou)(hou)办(ban)事(shi)(shi)器的(de)时(shi)钟源(yuan)为温(wen)(wen)补(bu)晶振,一样能够(gou)或(huo)(huo)许(xu)或(huo)(huo)许(xu)或(huo)(huo)许(xu)按照(zhao)(zhao)用户(hu)须要(yao)挑选(xuan)恒(heng)温(wen)(wen)晶振、铷原子(zi)钟、顺(shun)服(fu)恒(heng)温(wen)(wen)晶振模块(kuai)、顺(shun)服(fu)铷钟模块(kuai)等。温(wen)(wen)补(bu)晶振定时(shi)一天偏差(cha)1s之内,恒(heng)温(wen)(wen)晶振定时(shi)一天偏差(cha)几毫(hao)秒(miao)(miao),铷钟比恒(heng)温(wen)(wen)晶振定时(shi)精度更高。以是时(shi)钟源(yuan)也会想一想价(jia)钱(qian)。


今朝大大都高(gao)校或病院都挑选(xuan)ntp时(shi)(shi)候(hou)(hou)办事器(qi)停止授时(shi)(shi),ntp时(shi)(shi)候(hou)(hou)办事器(qi)以收(shou)集(ji)(ji)情势通报(bao)时(shi)(shi)候(hou)(hou),笼(long)盖面积(ji)广(guang)、时(shi)(shi)候(hou)(hou)精度(du)高(gao)、操纵便利。如SYN2102NTP收(shou)集(ji)(ji)时(shi)(shi)候(hou)(hou)办事器(qi)输(shu)入2路收(shou)集(ji)(ji)时(shi)(shi)候(hou)(hou)旌旗(qi)灯(deng)号,且每路网口都为(wei)(wei)自力局域网互不(bu)搅扰,收(shou)集(ji)(ji)授时(shi)(shi)精度(du)为(wei)(wei)1-10ms吞吐量(liang)可达4000次/s,能给多台装备(bei)(bei)授时(shi)(shi)。SYN2102NTP收(shou)集(ji)(ji)时(shi)(shi)候(hou)(hou)办事用具有及时(shi)(shi)监控、暗码考证、防火(huo)墙,SYN-flood进攻、加(jia)密通讯(xun)、心跳检测、长途(tu)保护、SNMP网管、Web办理(li)、互为(wei)(wei)冗余备(bei)(bei)份、wifi无(wu)线办理(li)等(deng)功(gong)效。

SYN2102NTP收(shou)集时候(hou)办事器经由过程天线领受卫星旌旗灯号,而后ntp时候办事器经外部转换输入收集时候,再经由过程互换机通报给给各类装备。

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