Standard Synchronous Clock Equipment
一、Overview
The standard synchronous clock equipment provides a unified time service signal for all kinds of equipment working in the airport air traffic control building and the terminal building, so as to ensure that all kinds of equipment work at the same standard time service.
二、Characteristics
1. Satellite access signals: GPS, Beidou, GLONASS satellites.
2. R8-232 output ports: 5.
3. RS-422 output ports: 5.
4. IP Ethernet port: 1.
5. AC power supply: 110V-220V AC ± 10%, 47-63 Hz, single-phase.
6. Size: 48 (L) × 18 (W) × 30(D)cm , standard 4U chassis.
7. Connection mode between slave clock and master clock: IP , RS-232 , RS-485.
8. The master clock provides unified time service signals for communication, navigation, weather equipment, servers, computers, sub clocks, etc.
三、Appearance
Master clock (master clock) Front View | Master clock (master clock) Rear View |
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Subclock 1 | Subclock 2 |
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1. SZ-701A sub clock, single side display, display time, minute and second,32(L)* 9(W)* 5.5(D)cm。 | SZ-705A sub clock, single side display, displays the month, month, day, hour, minute, second, week, 75(L)* 28(W)* 5.5(D)cm。 |
2. SZ-703A sub clock, double-sided display, display hours, minutes and seconds,51(L)* 12(W)* 5.5(D)cm。 | 4. SZ-705B sub clock, double-sided display, display year, month, day, hour, minute, second, week, 80(L)* 32(W)* 11(D)cm。 |
四、Structure

五、Application
Anshun Airport, Guangyuan Airport, Guiyang Airport and other Chinese airports.