JRC JCY-1800 - Functions of Electrical Circuit Board

1. Specifications
JCY-1800/1850 VDR/S-VDR Installation Guide
12
DOC No. 7ZPJD0387C
1.9. Functions of electrical circuit board
Main electrical circuit table of NDV-1800 (VDR)
Unit
Circuit name
Model Function S-VDR Remark
Power supply
board (PSB)
CBM-168 Battery backup for 2 hours same PSU
NBL-327
Thermo sensor
board
CHG-213 Temperature monitoring of a battery same
Main Control
Board (MCB)
CDJ-2304 Main control
HUB unit: 1port + 4ports
16ports for IEC61162-1 / 2
Internal operation panel
same
Audio Recording
Board (ARB)
CHA-387 Input CH: 9 sets for microphone
unit (Recording channel are 3)
3 sets for VHF radio
(Recording channel is 1)
Compressing format: G726
same
Frame Grabber
Board (FGB)
CKA-137 Input CH: 2CH for analog RGB
(selectable)
Compressing format: PNG
Option
Data Processor
Unit
NDL-46
Remote
Maintenance
Board (RMB)
CDK-287 16ports for IEC61162-1 / 2 Not installed Main Control
Board for Remote
Maintenance
System
Option Board NSK Interface
Board (NIB)
CHM-378
(Option)
To record gyro compass signal
(Synchro / Step) and/or Ship’s
speed log signal as IEC61162-1
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Standard