1. Clock Source
◎ External Reference Signals:
Master Clock: BeiDou/GPS module 1PPS, BeiDou/GPS module UTC;
Slave Clock: Master clock 1PPS, master clock UTC, time information;
◎ Internal Time Base:
Master Clock: CPT rubidium atomic clock module;
Slave Clock: disciplined crystal oscillator module;
◎ 1PPS Output Channels: 24 channels;
◎ 10 MHz Output Channels: 1 channel;
◎ Reference Disciplining Time:
Master Clock ≤ 30 min;
Slave Clock ≤ 1 min;
◎ Disciplining Frequency Accuracy: ≤ 1E−12/day (average);
◎ 1PPS Time Difference Measurement Accuracy: ≤ 0.02 ns RMS;
◎ 1PPS Time Difference Measurement Range: −500 ms to +500 ms;
◎ Frequency Measurement Interval: 10 s;
◎ Underwater Clock Serial Interfaces:
1 bidirectional transceiver port, 6 unidirectional ports;
Default RS232 level, internally switchable to RS422 level;
◎ Operating Temperature: −30 ℃ to +60 ℃;
◎ Form Factor: 19-inch standard rackmount chassis, height 2U, depth 300 mm;
◎ Weight (with two batteries):
Master Clock < 6 kg;
Slave Clock < 4 kg;
◎ Power Supply:
Master Clock: AC 176–260 V, with built-in battery;
Slave Clock: AC 176–260 V;
◎ Power Consumption:
Master Clock ≤ 50 W (charging), ≤ 15 W (operating, non-charging);
Slave Clock ≤ 8 W;
◎ Battery Operation Time:
Master Clock > 5 h;
Slave Clock: 0 h;
◎ Battery Charging Time:
Master Clock: 5 h;
◎ Dimensions: 600 mm × 600 mm × 1200 mm;
2. Charger Unit
◎ Input Voltage: 180–260 VAC, 50 Hz / 60 Hz;
◎ Total Power: 1000 W;
◎ Output Interfaces: 12 channels;
◎ Output Voltage: Adjustable 10–15 V (factory default 12 V);
◎ Ripple & Noise: 200 mVp-p;
◎ Voltage Accuracy: 1.5%;
◎ Maximum Output Current:
5 A/channel (DC 24 V);
10 A/channel (DC 12 V);
◎ Status Display: LCD;
◎ Monitoring Parameters: Output voltage, current, power consumption, temperature, energy usage, charging time, etc.;
◎ Intelligent Cooling:
Cooling fan automatically turns on at ≥ 50 ℃;
Cooling fan automatically turns off at ≤ 40 ℃;
◎ Operating Temperature: −20 ℃ to 70 ℃;
◎ Storage Temperature: −40 ℃ to 80 ℃;
◎ Protection: Over-temperature and over-voltage protection with automatic recovery after restart;
◎ Vibration Resistance: 10–500 Hz, 5 G for 10 minutes;
◎ Installation: Supports standard rack integration
(When multiple chargers are integrated, a high-power power sequencing controller is required, with staggered startup intervals to avoid excessive inrush current and ensure electrical safety);
◎ Form Factor: 19-inch 2U standard rackmount chassis;
3. Industrial Control Computer
◎ Processor: Six-core Intel Core i5-8500;
◎ Memory: 16 GB RAM;
◎ Storage: 128 GB SSD (M.2 interface);
◎ Drive Bays: Supports two hot-swappable hard drive bays;
◎ Power Supply: 850 W single power supply;
◎ Network Interfaces: 2 × Gigabit Ethernet ports;
◎ Storage Options: Configurable hard drive options available.
