Hot plug card NTP timing serve

  ◆ timing interface: 10/100m base tx  Ethernet interface ◆ four network ports are available, including 1 network port, 2 network ports, 3 network ports and 4 network ports
◆ vacuum fluorescent display (VFD) display window, displaying clock source information, signal strength, time and date, and data validity

◆ time source: td4g (or CDMA)
◆ timing accuracy: 5ms;
◆ operating frequency: 800MHz, without SIM card, receiving sensitivity is -166dbw; Cold start time: 10s, hot start time: 1s
◆ anti interference: under lightning overvoltage, primary circuit operation, switch yard fault, secondary circuit operation and other strong interference, the device will not malfunction
Effect of device on rapid release of interference source
◆ mean time between failures (MTBF) > 80000 hours; Service life > 20 years, normal use without maintenance;
◆  Built in network isolation transformer;
◆  Support   AUTO-MDIX  Technology;
◆  Comply with   Rfc2030 (simple network time protocol (SNTP) version 4) can provide time query services to terminals on the network;
◆  The instantaneous service capacity is 22 sets, which means that it can be accepted in a very small time   SNTP  The number of time requests from the client;
◆  The service capacity per second is 8000 times / second, indicating the number of services in one second;
◆ built in temperature compensation crystal oscillator can ensure the accuracy of system time in the absence of satellite signal;
◆  Built in   web  The server supports the user's web page, and the user can configure the device through the browser;
◆  It has hardware parameter protection function to prevent malicious modification of parameters;
◆  Support firmware network upgrade, and remotely upgrade device programs;
◆  Password protection is provided for parameter modification and firmware upgrade;
◆  1 channel RS232, 1 channel second pulse, 2 channels B code output, 1 channel B code differential output;
◆ you can use the configuration tool   Windows98/me/NT/2000/XP  Configure parameters;
◆ support all versions after WindowsXP and all versions above linux2
6;
◆ power supply: ac220v/300ma

◆  Operating temperature   0～70℃；
◆  1
5KV  Electromagnetic isolation;