JRC ECDIS - Junction Box

Section 22 Specifications 22-16
22.14 Junction Box
GENERAL SPECIFICATION NQE-1143: Junction Box
Mechanical
Dimension Width 400 x Depth 86 x Height 261.5 (mm)
Mass 3.8kg
Environment
Operational Temperature -15C to +55C
Operational Humidity 40C RH 93%
Vibration
Sweep 2Hz to 13.2Hz at ± 1mm, 13.2Hz to 100Hz at 7m/s
2
and for 2h on each resonance, otherwise 2h at 30Hz in all
three axes
EMC IEC60945-Ed4.0
Ingress Protection Rating Front : IP20
Power
Power 21.6 to 31.2 VDC
Input Voltage 48W MAX
Power Consumption 3A  2, 15A  1 Mini Blade Fuse
Over Current Protection Yes
FUNCTIONAL SPECIFICATION CMH-2370: Serial LAN Interface Circuit
Interface
IEC61162-1 8 input / 8 output
IEC61162-2 2 input / 2 output
IEC61162-450 1 (100BASE-TX)
Dry Contact Output (N.C/N.O
selectable)
8 (32V, 0.8A sink MAX)
Dry Contact Input 8 (5V, 50mA source MAX)
Ingress Protection Rating Front : IP20
FUNCTIONAL SPECIFICATION CMJ-554: Gyro Interface Circuit
GYRO
STEP 22 to 70 VDC
SYNC 24 to 115VAC, 50/60/400Hz
RATIO 36/90/180/360
OUTPUT THS (50Hz)
LOG
PULSE Dry contact: 30V(max), 50 mA(max)
Voltage signal: 0-50V (threshold level is 2V)
RATIO 100/200/400/800 [P/NM]
OUTPUT VBW (1Hz), VLW (0.1Hz)
FUNCTIONAL SPECIFICATION CMJ-556: Analog Option Circuit
Interface
Isolated Input 4
Input Signal Range -10 to 10 VDC or 4 to 20 mA