xhtf351np ntp/ptp network time service-米乐m6官网老版

inquiry

xhtf351np ntp/ptp network time server uses gps, beidou and irig-b codes as reference sources, supports external frequency standard 10mhz reference, supports ptp, ntp, snmp management and other functions, and outputs irig-b code and demodulation second signal, providing reference for clock devices that support ptp and ntp. the device adopts modular design and features high reliability, good maintainability and easy operation. it is suitable for high-precision network synchronization using ntp/ptp protocol. can be widely used in communication base stations, computer network synchronization, research and calibration laboratories, aerospace systems, base range, financial and rail transit.

features

■ with gps, beidou, irig-b code receiving synchronization function, in line with gjb2991a-2008 "b time code interface terminal general specification" requirements;

■ with external 10m input function, the external code signal can be used to generate time code and time mark signal;

■ have network management functions;

■ with ptp, ntp network time synchronization function;

■ with time display function (year, month, day, hour, minute, second);

■ with delay correction function, the range is ±999,999.9us, stepping 0.1us.

specifications

input signal				output signal
gps satellite signal				irig-b (dc)
rf signal	gps l1 band			signal level	rs422/rs485
capture time	hot start <30s, cold start <50s			number of ways	1 way
gps timing accuracy	better than 50ns			physical interface	12m-3ab
physical interface	sma			demodulation second pulse
bd satellite signal				signal level	ttl/hcmos
rf signal	beidou l1 band			number of ways	1 way
capture time	hot start <30s, cold start <50s			physical interface	sma
bd timing accuracy	better than 50ns			tod time information
physical interface	sma, shared with gps			signal level	rs232
10mhz input				number of ways	1 way
signal level	sinusoidal, amplitude ≥ 0.5v (rms)			physical interface	db9
number of ways	1 way			network interface
physical interface	bnc			support 1000m ethernet
irig-b (dc)				number of ways	2 ways
signal level	rs422/rs485			physical interface	rj45, sfp
number of ways	1 way
physical interface	12m-3ab
system indicator
time stamp accuracy		better than 50μs
response service performance:		no less than 3000 times / sec
dimension
width × height × depth (mm)		430 × 44 × 300
19-inch 1u chassis
electrical characteristics
ac 220 × (1 ± 10%) v
environmental characteristics
working environment temperature			-10 ° c ~ 50 ° c
storage environment temperature			-40 ° c ~ 65 ° c
relative humidity			25%-95% (at 25 °c)
power supply			220 × (1 ± 10%) v, 50 × (1 ± 10%) hz.
main functions
(1) with real clock and time display, the display content is day, hour, minute and second;
(2) supports gps, beidou, b (dc) and other timing modes, and can be set by means of panel buttons, network management or serial port;
(3) can display local network interface parameters;
(4) can set the reference source priority, and can preset the system time through buttons, network management and serial port;
(5) can display the synchronization precision of the reference second and the second, with a resolution of 20 ns;
(6) has network timing function and supports ieee1588-2008 protocol;
(7) has a network management interface and supports snmpv2c protocol. system status information can be viewed and system parameters can be configured through the nms.
(8) supports e2e delay measurement mode;
(9) supports the ptp best master clock algorithm;
(10) supports synce;
(11) synchronization interval: 16 pkt/1s~1pkt/64s;
(12) time label accuracy: better than 100ns;
(13) supports ntp v2 (rfc1119), ntp v3 (rfc1305), sntp (rfc2030);
(14) supports unicast, broadcast, multicast.

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