"Times New Roman"">上海锐呈电气有限公司北斗网络时钟产品采用全模块化结构设计，不仅实现了板卡全兼容，还提供了丰富的信号接口资源和开放式特殊接口设计平台，具备兼容能力。可提供多路脉冲信号、IRIG-B mso-hansi-font-family:"Times New Roman"">信号、NTP/SNTP "Times New Roman"">协议信号、PTP "Times New Roman"">（IEEE1588 "Times New Roman"">）协议信号、时间报文信号，可以满足不同设备的授时接口要求。产品已广泛应用于IT mso-hansi-font-family:"Times New Roman"">、金融、石化、****、国防、广电、通信、电力、交通、医疗、水利、冶金、安防、教育等领域的授时服务。

"Times New Roman"">北斗网络时钟主要特点

mso-hansi-font-family:"Times New Roman"">高精度、大容量、兼容性强，高可靠性，MTBF mso-hansi-font-family:"Times New Roman"">可达80000 "Times New Roman"">小时

mso-hansi-font-family:"Times New Roman"">支持多路物理隔离的10/100base-T mso-hansi-font-family:"Times New Roman"">以太网端口

mso-hansi-font-family:"Times New Roman"">网口支持协议：NTP/SNTP mso-hansi-font-family:"Times New Roman"">，ARP "Times New Roman"">，UDP/ Time "Times New Roman"">，Telnet "Times New Roman"">，web，ICMP mso-hansi-font-family:"Times New Roman"">，SNMP "Times New Roman"">，MD5

mso-hansi-font-family:"Times New Roman"">可同步数万台客户端、服务器、工作站、DVR mso-hansi-font-family:"Times New Roman"">、NVR "Times New Roman"">等设备

mso-hansi-font-family:"Times New Roman"">支持各种操作系统，提升网络系统的安全性和可靠性

mso-hansi-font-family:"Times New Roman"">支持芯跳检测功能，两台设备网卡可设为同一IP mso-hansi-font-family:"Times New Roman"">，互为冗余备份

mso-hansi-font-family:"Times New Roman"">支持干接点报警，多路NTP "Times New Roman"">网络端口易于配置、应用，便于系统升级

mso-hansi-font-family:"Times New Roman"">显示信息丰富，可直观看到收星个数，日期，时间

mso-hansi-font-family:"Times New Roman"">直观的Web "Times New Roman"">界面，易于管理、配置和维护

mso-hansi-font-family:"Times New Roman"">选件支持恒温晶振，北斗卫星，CDMA "Times New Roman"">网络参考源、铷原子钟

"Times New Roman"">北斗网络时钟的技术指标:

1）GPS mso-hansi-font-family:"Times New Roman"">北斗接收机/ "Times New Roman"">天线

mso-hansi-font-family:"Times New Roman"">获得数据时间: "Times New Roman"">本地一次开机: "Times New Roman"">≤300秒; mso-hansi-font-family:"Times New Roman"">位置变化重开机: "Times New Roman"">≤300秒; mso-hansi-font-family:"Times New Roman"">位置不变重开机; "Times New Roman"">≤45秒;

mso-hansi-font-family:"Times New Roman"">瞬间断电重开机: "Times New Roman"">≤15秒; mso-hansi-font-family:"Times New Roman"">系统重启动: "Times New Roman"">≤2秒; mso-hansi-font-family:"Times New Roman"">接收灵敏度: "Times New Roman"">小可达-165dBW

2) 授时精度：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"">：0.2-10ms "Times New Roman"">。

3）网络协议：NTP(Net Time Protocol)，SNTP(Simple Net Time Protocol) ，ARP mso-hansi-font-family:"Times New Roman"">，UDP/ Time "Times New Roman"">，Telnet "Times New Roman"">， SNMP，MD5 mso-hansi-font-family:"Times New Roman"">，ICMP "Times New Roman"">，DHCP，TFTP mso-hansi-font-family:"Times New Roman"">等

4）输入/ mso-hansi-font-family:"Times New Roman"">输出接口：1 "Times New Roman"">到7路独立网络接口，内置webserver可配置设备，当GPS mso-hansi-font-family:"Times New Roman"">北斗信号丢失时，可选择是否作为二级服务器，每秒大约可以处理4 mso-hansi-font-family:"Times New Roman"">万多次请求。

5）物理及环境参数

mso-hansi-font-family:"Times New Roman"">尺寸：1U/2U,19 "Times New Roman"">英寸机架式机箱, "Times New Roman"">电源：110/220V "Times New Roman"">交直流自适应, "Times New Roman"">重量：3kg, "Times New Roman"">环境温度：-20 "Times New Roman"">℃~+50℃；贮存温度：-30 mso-hansi-font-family:"Times New Roman"">℃~+70 "Times New Roman"">℃，相对湿度：15% "Times New Roman"">～90%；大气压力：80 kPa ~110kPa；

mso-hansi-font-family:"Times New Roman"">使用地点不允许有爆炸危险的介质，周围介质中不应含有腐蚀金属和破坏绝缘的气体及导电介质，不允许充满水蒸气及有较严重的霉菌存在；使用地点应具有防御雨、雪、风、沙、灰的设施。

"Times New Roman"">北斗网络时钟的质量服务：

1．锐呈时钟同步产品，三年质保。

2．现场在线运行设备出现故障，维护人员24 mso-hansi-font-family:"Times New Roman"">小时内到达现场（特殊情况12 "Times New Roman"">小时内），维护时间一般不大于30 "Times New Roman"">分钟。

3．**工程师为您提供24 mso-hansi-font-family:"Times New Roman"">小时技术支持。

    "Times New Roman"">更多北斗网络时钟的介绍，敬请参阅