GPS時(shí)鐘裝置 "Times New Roman"">（GPS校時(shí)裝置,GPS mso-hansi-font-family:"Times New Roman"">網(wǎng)絡(luò)時(shí)鐘, "Times New Roman"">北斗時(shí)間服務(wù)器）是一款智能型的GPS "Times New Roman"">北斗基準(zhǔn)時(shí)鐘源，其信號(hào)輸出為：脈沖信號(hào)（1PPS/M/H "Times New Roman"">，TTL、空接點(diǎn)、差分、24V/110V/220V有源、光）、時(shí)間報(bào)文（RS232 mso-hansi-font-family:"Times New Roman"">、RS422/485 "Times New Roman"">、光）、IRIG-B "Times New Roman"">信號(hào)（422、TTL mso-hansi-font-family:"Times New Roman"">、AC "Times New Roman"">、光）、DCF77 "Times New Roman"">信號(hào)、NTP/SNTP "Times New Roman"">協(xié)議網(wǎng)絡(luò)時(shí)鐘同步信號(hào)、PTP "Times New Roman"">（IEEE1588 "Times New Roman"">）協(xié)議信號(hào)、10MHz "Times New Roman"">頻率時(shí)間同步信號(hào)，可以滿足不同設(shè)備的對(duì)時(shí)接口要求。其性能可以廣泛地應(yīng)用于對(duì)時(shí)基要求穩(wěn)定和時(shí)基同步要求嚴(yán)格的各種領(lǐng)域, mso-hansi-font-family:"Times New Roman"">如通信、廣播電視、交通運(yùn)輸、電力、國(guó)防、金融、IT mso-hansi-font-family:"Times New Roman"">等。

GPS時(shí)鐘裝置 "Times New Roman"">產(chǎn)品以GPS信號(hào)作為時(shí)間源，同時(shí)可選北斗衛(wèi)星、IRIG-B mso-hansi-font-family:"Times New Roman"">碼、OCX0 "Times New Roman"">、銣原子鐘、CDMA "Times New Roman"">信號(hào)等時(shí)鐘源，對(duì)時(shí)精度達(dá)30nS "Times New Roman"">。該裝置采用了分布式結(jié)構(gòu)、閉環(huán)控制、掉電保護(hù)、故障自診斷、故障隔離、軟硬件冗余、抗電氣電磁干擾、保護(hù)接地等技術(shù)措施。

"Times New Roman"">上海銳呈電氣有限公司是GPS "Times New Roman"">時(shí)鐘裝置專業(yè)提供商！

GPS時(shí)鐘裝置 "Times New Roman"">的特點(diǎn)

1．支持單GPS mso-hansi-font-family:"Times New Roman"">、單北斗、單CDMA "Times New Roman"">、雙GPS、雙北斗、 GPS/ mso-hansi-font-family:"Times New Roman"">北斗/CDMA "Times New Roman"">雙系統(tǒng)接收機(jī)配置, "Times New Roman"">實(shí)現(xiàn)多基準(zhǔn)冗余授時(shí)，能夠智能判別GPS "Times New Roman"">信號(hào)、北斗信號(hào)、CDMA "Times New Roman"">信號(hào)、外部B碼時(shí)間基準(zhǔn)信號(hào)的穩(wěn)定性和優(yōu)劣，并提供多種時(shí)間基準(zhǔn)配置方法。

2．選件豐富：該產(chǎn)品可擴(kuò)展多種接口輸出，1PPM mso-hansi-font-family:"Times New Roman"">、1PPH "Times New Roman"">、IRIG-B "Times New Roman"">、DCF77、NTP/SNTP、IEEE1588、E1 mso-hansi-font-family:"Times New Roman"">、周波鐘、工頻量等；接口數(shù)量可根據(jù)要求擴(kuò)展，定制多路輸出，接口類型可選。

3．裝置采用全模塊化即插即用結(jié)構(gòu)設(shè)計(jì)，支持板卡熱插拔，配置靈活，維護(hù)方便，同時(shí)為將來(lái)電廠/ mso-hansi-font-family:"Times New Roman"">變電站改造擴(kuò)建時(shí)增加或更改對(duì)時(shí)信號(hào)接口提供了方便。

GPS時(shí)鐘裝置 "Times New Roman"">技術(shù)指標(biāo)：

1、GPS mso-hansi-font-family:"Times New Roman"">接收器接收頻率：1575.42MHz "Times New Roman"">；接收靈敏度：捕獲〈-160dBW "Times New Roman"">，跟蹤〈-163dBW "Times New Roman"">；捕獲時(shí)間：裝置冷啟動(dòng)時(shí)，〈3min "Times New Roman"">，裝置熱啟動(dòng)時(shí)，〈15S "Times New Roman"">；內(nèi)部電池類型：鋰電池，電池壽命：≮25000h "Times New Roman"">。

2、北斗接收器：通道：6 mso-hansi-font-family:"Times New Roman"">；接收靈敏度：-157.6dBW "Times New Roman"">；失鎖重捕時(shí)間：≤1 "Times New Roman"">秒；1PPS精度：優(yōu)于100nS mso-hansi-font-family:"Times New Roman"">。

3、輸出頻率：　　　　　　　10MHz mso-hansi-font-family:"Times New Roman"">、1PPS

mso-hansi-font-family:"Times New Roman"">輸出電平：　　　　　　　1PPS "Times New Roman"">輸出方波TTL "Times New Roman"">電平

?? ?????????????????????10MHz "Times New Roman"">輸出正弦波12.5dBm

1PPS精度：?????????????????? "Times New Roman"">優(yōu)于20nS

10MHz頻率精度：≤1.2 mso-hansi-font-family:"Times New Roman"">×10-12/24h "Times New Roman"">平均

mso-hansi-font-family:"Times New Roman"">諧波：-40dBc

mso-hansi-font-family:"Times New Roman"">雜散：-70dBc

4、對(duì)時(shí)精度：脈沖、B mso-hansi-font-family:"Times New Roman"">碼：0.1 "Times New Roman"">μS，串口：10 mso-hansi-font-family:"Times New Roman"">μS "Times New Roman"">，NTP/SNTP "Times New Roman"">：1-10ms "Times New Roman"">，PTP:70 ns "Times New Roman"">；

5、網(wǎng)口支持協(xié)議：NTP/SNTP ，ARP mso-hansi-font-family:"Times New Roman"">，UDP/ Time "Times New Roman"">，Telnet "Times New Roman"">， TFTP，SNMP mso-hansi-font-family:"Times New Roman"">，ICMP "Times New Roman"">，DHCP，MD5 mso-hansi-font-family:"Times New Roman"">，NTP V4 "Times New Roman"">，V3，V2 mso-hansi-font-family:"Times New Roman"">，V1 "Times New Roman"">，NTP SERVER "Times New Roman"">或NTP Client "Times New Roman"">可選擇。

6、平均無(wú)故障間隔時(shí)間(MTBF) mso-hansi-font-family:"Times New Roman"">≥300000 "Times New Roman"">小時(shí)；平均維修時(shí)間（MTTR "Times New Roman"">）：一般不大于30 "Times New Roman"">分，正常使用條件下無(wú)須維護(hù)。

7、物理及環(huán)境參數(shù)

?? "Times New Roman"">尺寸： 19英寸1U mso-hansi-font-family:"Times New Roman"">機(jī)架式機(jī)箱（根據(jù)接口數(shù)量可定制為2U mso-hansi-font-family:"Times New Roman"">、3U "Times New Roman"">機(jī)箱）

?? "Times New Roman"">重量： <3.8Kg

?? "Times New Roman"">電源： 220V "Times New Roman"">±20%? 47Hz mso-hansi-font-family:"Times New Roman"">～63Hz "Times New Roman"">功耗： <20W

?? "Times New Roman"">工作溫度：-10 "Times New Roman"">℃～ 50℃

?? "Times New Roman"">存貯溫度：-25 "Times New Roman"">℃～ 85℃

?? "Times New Roman"">濕度： 95％無(wú)冷凝

"Times New Roman"">以上是GPS "Times New Roman"">時(shí)鐘裝置的簡(jiǎn)介，更詳細(xì)介紹請(qǐng)咨詢。