JRC JCY-1950 - Chapter 8 Specifications; Fixed Protective Capsule Unit

Chapter 8 Specifications
117
Chapter 8 Specifications
8.1 NDH-338 Fixed Protective Capsule Unit
Performance
a) Interface
1) Standard IEEE802.3 (10Base-T/100Base-TX)
2) Protocol TCP/IP
b) Recording duration and capacity
1) Duration 48 hours
2) Capacity 32GB
c) Data recording interval
1) Sensor data Depends on the input from the sensors (usually 1
second)
2) Audio data Continuous (1 audio file per minute)
3) Image data 1 image file of each equipment per 15 seconds
(X-Band Radar, S-Band Radar, Main-ECDIS and
Sub-ECDIS)
d) Acoustic underwater beacon
1) Operating frequency 37.5kHz ±1kHz
2) Operating time Min. 90 days after being immersed in the water
3) Detectable range 1,800m to 3,600m
Depends on surrounding environment (e.g. sea
state, nearby boats, marine animals or other factors)
4) Battery life expectancy 3 years after manufacturing
Please note that lifetime may be shorter depending
on environmental condition
5) Battery specifications Lithium battery (Li-SOCl
2
)
DC +3.6V 8.5Ah
e) Compass safety distance
1) Standard 0.45m
2) Steering 0.45m