时钟同步服务器

mso-hansi-font-family:"Times New Roman"">内  "Times New Roman"">容

 指  标

GPS特性

1PPS秒脉冲准确度≤100ns

mso-hansi-font-family:"Times New Roman"">可同时跟踪12 "Times New Roman"">颗GPS卫星，天线射频灵敏度-166dbw；阻抗50 mso-hansi-font-family:"Times New Roman"">欧；

mso-hansi-font-family:"Times New Roman"">接收L1 "Times New Roman"">波段CA码，接收频率1575.42MHZ， GPS mso-hansi-font-family:"Times New Roman"">天线的馈线长30 "Times New Roman"">米

mso-hansi-font-family:"Times New Roman"">北斗特性

 1PPS(BD) "Times New Roman"">秒脉冲定时准确度小于100ns, "Times New Roman"">正脉冲上升沿有效，脉宽200ms,TTL "Times New Roman"">接口。BD "Times New Roman"">天线的馈线长30 "Times New Roman"">米

 1PPS脉冲输出

 1PPS，TTL mso-hansi-font-family:"Times New Roman"">接口，准确度， "Times New Roman"">小于0.1μS "Times New Roman"">；脉宽200ms "Times New Roman"">；

 网络授时

 局域网0.2-10ms；城域网10-50ms；

 网络时间协议

 NTP/SNTP "Times New Roman"">，ARP，UDP/ Time，Telnet，web mso-hansi-font-family:"Times New Roman"">，SNMP "Times New Roman"">，MD5，ICMP mso-hansi-font-family:"Times New Roman"">，DHCP "Times New Roman"">，TFTP "Times New Roman"">，10/100M "Times New Roman"">以太网自适应。

 RS232串口

mso-hansi-font-family:"Times New Roman"">输出的一个脉冲相对于1PPS "Times New Roman"">（本地秒）≤0.1ms

mso-hansi-font-family:"Times New Roman"">环境条件

mso-hansi-font-family:"Times New Roman"">工作温度：-40 "Times New Roman"">～+55℃（室外天线），-20 mso-hansi-font-family:"Times New Roman"">～+50 "Times New Roman"">℃（室内）；存储温度：-30 "Times New Roman"">～60℃；相对湿度：95±3 mso-hansi-font-family:"Times New Roman"">％（温度＋40 "Times New Roman"">℃）

 可靠性 

 MTBF≥80000 "Times New Roman"">小时；MTTR≤20 "Times New Roman"">分钟；

 电     源

110/220V±10% "Times New Roman"">，交直流自适应

mso-hansi-font-family:"Times New Roman"">箱体结构尺寸

 标准1U/2U,机架式机箱。