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Chapter 2 Names and Functions
Table 2-1 Name and function of each part of the RCU
No.
Name
1
Key
2
DATA port
3
Battery
4
Cooling fan
5
Fuse
6
POWER switch
7
Power socket
Table 2-2 Name and function of each circuit of the RCU
No.
Name
a
Main Control Board
(MCB)
b
Audio Recording Board
(ARB)
c
Power Supply Unit
(PSU)
d
Terminal Board (TB)
If the cooling fan failed, an alert is displayed on the Operation Panel Unit (OPU). Do
not ignore this alert because the RCU may fail. Please be sure to replace the
cooling fan. Please contact our head office, or a nearby branch or local office to
request servicing.
Although the shape of POWER SOCKET is for 100VAC, it directly outputs the
voltage (100 to 220VAC) that is being input to the RCU. Do not connect equipment
for 100VAC, if 220VAC is being input. Otherwise, a malfunction may occur.
8
The key for the front door.
The accident investigator uses to retrieve the recorded data
from the S-VDR.
The battery becomes the backup power supply when an AC
input power is lost. The battery can operate the following
equipment for two hours.
- Recording Control Unit
- Fixed Protective Capsule unit or Float-free Capsule unit
- Operation Panel Unit
- Microphone, waterproof microphone
Two cooling fans are installed.
A 5A glass fuse is mounted to protect the AC input power line.
This is the main power switch of the RCU.
This socket is for service engineer.
The power voltage: AC 100 to AC 220V
This board manages the S-VDR system.
This board processes the conversation of microphones and
VHF communication.
This unit is the main power supply of the S-VDR system.
This unit has a function of uninterruptible power supply.
- Sensor data (IEC61162-1/2) terminal block
- Microphone and VHF communication terminal block
CAUTION
!
Description
Description
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