L7600-2U 「BDS」Master-level master clock serv

The L7600-2U "Single Beidou Carrier-Grade Clock" NTP domestic information technology innovation time server provides accurate, reliable, and secure high-precision satellite time reference for network devices, terminals, and servers within the firewall. It can synchronize the time for tens of thousands of clients using the Standard Network Time Protocol (NTP, including V1/2/3/4) and Simple Network Time Protocol (SNTP).

NTP network time servers have been widely applied in various fields such as finance, transportation, securities, electricity, mobile communications, petroleum, industry, e-commerce, industrial automation, cloud computing, security, smart cities, the Internet of Things, energy, and national defense.

The device adopts a redundant architecture design, with a separate CPU and FPGA circuit internally constructed to form a taming system. The taming system receives ephemeris data from various satellites within the Beidou system and atomic clock frequency reference, and achieves local clock synchronization and high-precision timing functions through delay compensation, filtering, and PID algorithms. With professional digital hardware design and an efficient domestic operating system, it possesses multiple reliable clock signal output functions.

The L7600-2U "Single BeiDou Carrier-Grade Clock" NTP localization-based time server product design supports the full version of the NTP protocol, symmetric MD5 security encryption protocol, and asymmetric RSA certificate encryption protocol, with client time synchronization accuracy better than 2 milliseconds. It also supports serial port NMEA0183 output, 1PPS, signal output, local and remote logging, green terminal dry contact alarm, USB port upgrade, network data upload and download, and other functions. Together with the GNM monitoring software, it achieves real-time monitoring of server operation status, client deviation status, client synchronization status, and alarm functions.

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• Support single Beidou satellite system

• Receiver accuracy: better than 20ns (RMS)

• Time-keeping module: Equipped with a high-precision atomic clock for timekeeping

• Processor: domestically produced Xinchuang processor

• Compatible with domestic timing system: domestic server system (security information directory)

• Certificate from the Ministry of Industry and Information Technology (online traceability for consistency check)

• Standard configuration includes 6-way 10/100/1000 Base-T adaptive network ports and 4-way Gigabit optical ports, (8-way 10-Gigabit optical ports) expandable

• 2 hot-swappable redundant power supplies, 2 redundant cooling fans

• Support IRIG-B code output (optional)

• Supports various types of message outputs such as R232/485/TTL (optional)

• Support domestic dual-channel optical/electrical PTP/IEEE1588v2, syncE synchronous Ethernet (optional)

• Support WEB management and status monitoring

• Supports dual-machine hot standby heartbeat detection and network card binding, as well as cascading functionality

• Server processing capacity: 100,000 times/second

• Availability index: MTBF≥80000 hours

• Timing accuracy of clock server: 1 microsecond

• Support automatic startup of time service at startup and fixed interval timing

• Support hundreds of thousands of network clients

• Supports multiple protocols such as NTP, SNTP, TIME, SNMP, SSH, MD5, TELNET, FTP, SSL, SCP, Custom MIB, Email, SYSLOG, IPv4, and IPv6