DTY T4 Assembly Instructions

4CH AHD Mobile DVR Hardware User Manual T4
0
4CH AHD MOBILE DVR(T4)
Hardware Instructions
(V1.0)

4CH AHD Mobile DVR Hardware User Manual T4
I
Catalogue
Chapter 1 Accessories and Interface .......................................................................................1
1．MDVR and accessories...................................................................................................1
2．Device Connection Diagram..........................................................................................3
3．Panel Explanation.............................................................................................................4
4．Interfaces Definition.........................................................................................................4
4.1 Power interface.............................................................................................................5
4.2 I/O Interface definition.................................................................................................5
4.3 Aviation interface definition......................................................................................5
Chapter 2 Installations and applications.................................................................................6
1. HDD, SIM Card, SD card installation.............................................................................6
2. Antennas Connection........................................................................................................6
3. Power Connection..............................................................................................................8
4. Cameras Connection.........................................................................................................9
5. Monitor connection............................................................................................................9
6. Intercom connection........................................................................................................10
7. I/O wires connection........................................................................................................10
7.1 IR extension connection...........................................................................................11
7.2 Alarm input connection............................................................................................11
7.2.1 Application of Alarm input (Reverse Image)...............................................12
7.2.2 Application of Alarm Input (Emergency Alarm)..........................................13
7.3 Serial ports connection ............................................................................................15

4CH AHD Mobile DVR Hardware User Manual T4
1
Chapter 1 Accessories and Interface
1．MDVR and accessories
Before you use this product please check the accessories in the packing box. If there
is anything missing or damaged please contact your seller. The MDVR and
accessories are listed as following:
List of MDVR and accessories
Description
Picture
Quantity
MDVR
1
Power cable
1
I/O cable
1
AV cable
1
GPS antenna
(Optional)
1
Wi-Fi antenna
(Optional)
1

AHD Mobile DVR Hardware User Manual T4
2
3G/4G antenna
(Optional)
1
Remote control
(Optional)
1
IR Extension cable
(Optional)
1
Mouse (Optional)
1
Intercom
(Optional)
1

AHD Mobile DVR Hardware User Manual T4
3
2．Device Connection Diagram
Figure 1. Connection Diagram

AHD Mobile DVR Hardware User Manual T4
4
3．Panel Explanation
Figure 2. Front panel
Figure 3. Back panel
4．Interfaces Definition
Here we introduce the definition of the interfaces of Power, I/O, AV Input & Output.
See as shown below:

AHD Mobile DVR Hardware User Manual T4
5
4.1 Power interface
Figure 4. Power interface definition
4.2 I/O Interface definition
Figure 5. Front view of I/O Interface
I/O Interface definition
PIN
Color
Definition
PIN
Color
Definition
1
Blue
Alarm output
2
Black
GROUND
3
Purple
Alarm IN2_POS
4
Purple
Alarm input 1
5
Purple
Alarm IN4_POS
6
Purple
Alarm input 3
7
Red
5V OUTPUT
8
White
TXD (TTL electrical
level)
9
Grey
IR extension
10
Yellow
RXD(TTL electrical
level)
4.3 Aviation interface definition

AHD Mobile DVR Hardware User Manual T4
6
AV-IN Camera Interface AV-OUT Monitor Interface
Chapter 2 Installation and Application
1. HDD, Sim Card, SD Card installation
Please insert the key into the hole of the lock on the front panel, and open the hdd
lock anticlockwise, then pull the cover outward.
Figure 6. Open the HDD lock
Turn the fixing screws of the HDD holder, and draw out the hdd holder after disassemble
the screws
Figure 7. Draw out HDD holder
Insert the HDD into the HDD holder as the direction show as below, and fix the 4pcs set

AHD Mobile DVR Hardware User Manual T4
7
screws. (set screws included in the accessories box)
Figure 8. Fasten HDD
Insert the mounted HDD holder into the dvr mainframe, and lock the set screws on both
sides, make the SD Card’s pin contact area face down and insert into the mainframe,
make the Sim card’s chip contact area face up and insert into the mainframe,
Figure 9. Install HDD, SD Card, SIM Card
After install HDD, SD Card and Sim Card, cover over the front cover plate and lock the
HDD lock.

AHD Mobile DVR Hardware User Manual T4
8
2. Antennas Connection
Please connect the WiFi, 3G/4G and GPS antennas as per the picture as following We
suggest you put the GPS antenna externally at the vehicle’s roof to make sure signal
connection even when it is weak.
Figure 10. Antennas Connection
3. Power Connection
Please connect the power as per the definition of power interface. Positive pole (RED)
connects with power input 9-36V DC, ACC ignition (YELLOW) connects with 5-36V DC.
Figure 11. Power Connection
The yellow ignition wire is used to detect the ignition signal. We strongly suggest you
connect it with the “RUN” terminal of the ignition switch, or any terminal in the vehicle’s
switch box which will have power only when the vehicle was ignited (f.g. the FM radio)
PS: When testing the device, please connect both of the red power wire and the yellow
g
g
p
s