XHTF 330A Time Synchronization Sync. Device

The XHTF330A system is designed with dual redundancy and high reliability and stability. It is mainly configured in a regional center where high frequency punctuality is required and the number of end users is high, and high-precision time synchronization is required. Time and frequency synchronization can be achieved by providing standard time and frequency to terminal devices in the same area.

The device is widely used in time synchronization in the field of communication and navigation, and is suitable for the vehicle environment.

Features

● Optional with a variety of modules, powerful;

● With GPS, Beidou, Long wave and other timing methods;

● Redundant design of key components with automatic detection and switching, high reliability;

● Adopt intelligent maintenance algorithm, high punctuality precision; Network management;

● Integrated NTP/SNTP/PTP network time service function;

● With SNMP perfect network management function;;

● Optional expansion chassis for mbore features and signal counts.

Specifications

Internal Structure

XHTF330A Time Sync Host Structure (top view)

Extended Chassis Structure

Module Configuration

Module No.	Module Name	Main Function	Configuration situation
A	Beidou reception	Receiving Beidou timing signal, output information such as 1pp and time position	Optional
B	GPS Reception	Receiving GPS timing signals, output information such as 1pp and time position	Optional
O OCXO R Rb Atomic Clock	Time code generation	Taming crystal oscillator	Configured
		Taming Rb atomic clock
		Generating B code and 1pps
C	B(DC) Output	Outputting IRIG-B (DC) code	Optional
D	B(AC) Output	Outputting IRIG-B (AC) code	Optional
E	5MHz Output	Outputting 5MHzfrequency	Optional
F	10MHz Output	Outputting 10MHzfrequency	Optional
G	NTP Timing	NTP network timing	Optional
G	NTP Timing	Outputting 1pps signal	Optional
H	PTP Timing	PTP network timing	Optional
H	PTP Timing	Outputting 1pps signal	Optional
I	Expansion Module	Connecting the expansion chassis to expand the output signal	Optional
J	Control Module	Manage equipment, monitor and display signals; respond to key operation functions	Configured
K	Network Management Module	Interface: 10/100 Ethernet, protocol: SNMP, providing management software	Configured
L	E1 Output	Outputting 2.048MHz frequency	Optional
M	Power Supply	Power output	Configured

Module Indicator

GPS Reception Module					Beidou Reception Module
RF Signal		GPS L1 Frequency			RF Signal	Beidou B1 Frequency
Timing Accuracy		≤100ns			Timing Accuracy	≤100ns
Antenna feeder		30 meter			Antenna feeder	30 meter
Physical Interface		BNC			Physical Interface	BNC
Time Code Generation Module (optional: OCXO and Rb atomic clock)
Tamed OCXO		Taming Accuracy			＜1*10-12/day
		Maintain Accuracy			＜5*10-10/ (within 24 hours)
		Frequency Stability			＜110-11/1s, ＜510-12/10s
		Drift Rate			＜5*10-10/day
Tamed Rb Atomic Clock		Taming Accuracy			＜1*10-12/day
		Maintain Accuracy			＜5*10-11/ (within 24 hours)
		Frequency Stability			＜110-11/1s, ＜310-12/100s
		Drift Rate			＜3*10-12/day
B (DC) Module					B (AC) Module
Number of Output Channels		4 ways			Number of Output Channels		4 ways
Output Level		RS422			Output Amplitude		05~10Vp-p
Synchronization Accuracy		≤200ns			Modulation Ratio		≤10us
					Physical Interface		BNC
5MHz Module					10MHz Module
Number of Output Channels		4 ways			Number of Output Channels			4 ways
Waveform		Sine Wave			Waveform			Sine Wave
Amplitude		0.5-10Vrms			Amplitude			0.5-10Vrms
Harmonic Suppression		Secondary <30dB, three times <-40dB			Harmonic Suppression			Secondary <30dB, three times <-40dB
Physical Interface		BNC			Physical Interface			BNC
NTP Timing Module					PTP Timing Module
NTP Timing Accuracy	≤10ms				PTP Timing Accuracy		≤100ns
1PPS ways	1 way				1PPS ways		1 way
Pulse Width	30±5ms				Pulse Width		30±5ms
Rising and falling edge time	≤20ns				Rising and falling edge time		≤20ns
Synchronization Accuracy	≤200ns				Synchronization Accuracy		≤200ns
Jitter	≤3ns				Jitter		≤3ns
Expansion Module
Connect the expansion chassis to expand the output signal
Control Module
Manage equipment, monitor and display signals; respond to key operation functions
Network Management Module
Interface: 10/100 Ethernet, protocol: SNMP, providing management software
Dimension
Width × Height × Depth (mm)			443 × 176 × 400
19-inch 4U racking chassis
Electrical Characteristics
AC 220 × (1 ± 10%) V
Environmental Characteristics
Working Temperature				-10 ° C ~ +50 ° C
Storage Temperature				-40 ° C ~ +85 ° C

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XHTF 330A Time Synchronization Sync. Device