GPS时钟装置

GPS时钟装置 "Times New Roman"">（GPS校时装置,GPS mso-hansi-font-family:"Times New Roman"">网络时钟, "Times New Roman"">北斗时间服务器）是一款智能型的GPS "Times New Roman"">北斗基准时钟源，其信号输出为：脉冲信号（1PPS/M/H "Times New Roman"">，TTL、空接点、差分、24V/110V/220V有源、光）、时间报文（RS232 mso-hansi-font-family:"Times New Roman"">、RS422/485 "Times New Roman"">、光）、IRIG-B "Times New Roman"">信号（422、TTL mso-hansi-font-family:"Times New Roman"">、AC "Times New Roman"">、光）、DCF77 "Times New Roman"">信号、NTP/SNTP "Times New Roman"">协议网络时钟同步信号、PTP "Times New Roman"">（IEEE1588 "Times New Roman"">）协议信号、10MHz "Times New Roman"">频率时间同步信号，可以满足不同设备的对时接口要求。其性能可以广泛地应用于对时基要求稳定和时基同步要求严格的各种领域, mso-hansi-font-family:"Times New Roman"">如通信、广播电视、交通运输、电力、国防、金融、IT mso-hansi-font-family:"Times New Roman"">等。

GPS时钟装置 "Times New Roman"">产品以GPS信号作为时间源，同时可选北斗卫星、IRIG-B mso-hansi-font-family:"Times New Roman"">码、OCX0 "Times New Roman"">、铷原子钟、CDMA "Times New Roman"">信号等时钟源，对时精度达30nS "Times New Roman"">。该装置采用了分布式结构、闭环控制、掉电保护、故障自诊断、故障隔离、软硬件冗余、抗电气电磁干扰、保护接地等技术措施。

"Times New Roman"">上海锐呈电气有限公司是GPS "Times New Roman"">时钟装置专业提供商！

GPS时钟装置 "Times New Roman"">的特点

1．支持单GPS mso-hansi-font-family:"Times New Roman"">、单北斗、单CDMA "Times New Roman"">、双GPS、双北斗、 GPS/ mso-hansi-font-family:"Times New Roman"">北斗/CDMA "Times New Roman"">双系统接收机配置, "Times New Roman"">实现多基准冗余授时，能够智能判别GPS "Times New Roman"">信号、北斗信号、CDMA "Times New Roman"">信号、外部B码时间基准信号的稳定性和优劣，并提供多种时间基准配置方法。

2．选件丰富：该产品可扩展多种接口输出，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"">、周波钟、工频量等；接口数量可根据要求扩展，定制多路输出，接口类型可选。

3．装置采用全模块化即插即用结构设计，支持板卡热插拔，配置灵活，维护方便，同时为将来电厂/ mso-hansi-font-family:"Times New Roman"">变电站改造扩建时增加或更改对时信号接口提供了方便。

GPS时钟装置 "Times New Roman"">技术指标：

1、GPS mso-hansi-font-family:"Times New Roman"">接收器接收频率：1575.42MHz "Times New Roman"">；接收灵敏度：捕获〈-160dBW "Times New Roman"">，跟踪〈-163dBW "Times New Roman"">；捕获时间：装置冷启动时，〈3min "Times New Roman"">，装置热启动时，〈15S "Times New Roman"">；内部电池类型：锂电池，电池寿命：≮25000h "Times New Roman"">。

2、北斗接收器：通道：6 mso-hansi-font-family:"Times New Roman"">；接收灵敏度：-157.6dBW "Times New Roman"">；失锁重捕时间：≤1 "Times New Roman"">秒；1PPS精度：优于100nS mso-hansi-font-family:"Times New Roman"">。

3、输出频率：　　　　　　　10MHz mso-hansi-font-family:"Times New Roman"">、1PPS

mso-hansi-font-family:"Times New Roman"">输出电平：　　　　　　　1PPS "Times New Roman"">输出方波TTL "Times New Roman"">电平

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

1PPS精度：                   "Times New Roman"">优于20nS

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

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

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

4、对时精度：脉冲、B mso-hansi-font-family:"Times New Roman"">码：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、网口支持协议：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"">可选择。

6、平均无故障间隔时间(MTBF) mso-hansi-font-family:"Times New Roman"">≥300000 "Times New Roman"">小时；平均维修时间（MTTR "Times New Roman"">）：一般不大于30 "Times New Roman"">分，正常使用条件下无须维护。

7、物理及环境参数

   "Times New Roman"">尺寸： 19英寸1U mso-hansi-font-family:"Times New Roman"">机架式机箱（根据接口数量可定制为2U mso-hansi-font-family:"Times New Roman"">、3U "Times New Roman"">机箱）

   "Times New Roman"">重量： <3.8Kg

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

   "Times New Roman"">工作温度：-10 "Times New Roman"">℃～ 50℃

   "Times New Roman"">存贮温度：-25 "Times New Roman"">℃～ 85℃

   "Times New Roman"">湿度： 95％无冷凝

"Times New Roman"">以上是GPS "Times New Roman"">时钟装置的简介，更详细介绍请咨询。