HIK VISION DS-M5504HNI Series User manual

User Manual
UD.6L0204D1120A01
Mobile Network Video Recorder

Mobile Network Video Recorder User Manual
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User Manual
COPYRIGHT ©2015 Hangzhou Hikvision Digital Technology Co., Ltd.
ALL RIGHTS RESERVED.
Any and all information, including, among others, wordings, pictures, graphs are the properties of Hangzhou Hikvision
Digital Technology Co., Ltd. or its subsidiaries (hereinafter referred to be “Hikvision”). This user manual (hereinafter
referred to be “the Manual”) cannot be reproduced, changed, translated, or distributed, partially or wholly, by any means,
without the prior written permission of Hikvision. Unless otherwise stipulated, Hikvision does not make any warranties,
guarantees or representations, express or implied, regarding to the Manual.
About this Manual
This Manual is applicable to DS-M5504HNI series Mobile Network Video Recorder.
The Manual includes instructions for using and managing the product. Pictures, charts, images and all other information
hereinafter are for description and explanation only. The information contained in the Manual is subject to change, without
notice, due to firmware updates or other reasons. Please find the latest version in the company website
(http://overseas.hikvision.com/en/).
Please use this user manual under the guidance of professionals.
Trademarks Acknowledgement
and other Hikvision’s trademarks and logos are the properties of Hikvision in various jurisdictions. Other
trademarks and logos mentioned below are the properties of their respective owners.
Legal Disclaimer
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE PRODUCT DESCRIBED, WITH ITS
HARDWARE, SOFTWARE AND FIRMWARE, IS PROVIDED “AS IS”, WITH ALL FAULTS AND ERRORS, AND
HIKVISION MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION,
MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A PARTICULAR PURPOSE, AND
NON-INFRINGEMENT OF THIRD PARTY. IN NO EVENT WILL HIKVISION, ITS DIRECTORS, OFFICERS,
EMPLOYEES, OR AGENTS BE LIABLE TO YOU FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR
INDIRECT DAMAGES, INCLUDING, AMONG OTHERS, DAMAGES FOR LOSS OF BUSINESS PROFITS,
BUSINESS INTERRUPTION, OR LOSS OF DATA OR DOCUMENTATION, IN CONNECTION WITH THE USE OF
THIS PRODUCT, EVEN IF HIKVISION HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
REGARDING TO THE PRODUCT WITH INTERNET ACCESS, THE USE OF PRODUCT SHALL BE WHOLLY AT
YOUR OWN RISKS. HIKVISION SHALL NOT TAKE ANY RESPONSIBILITES FOR ABNORMAL OPERATION,
PRIVACY LEAKAGE OR OTHER DAMAGES RESULTING FROM CYBER ATTACK, HACKER ATTACK, VIRUS
INSPECTION, OR OTHER INTERNET SECURITY RISKS; HOWEVER, HIKVISION WILL PROVIDE TIMELY
TECHNICAL SUPPORT IF REQUIRED.
SURVEILLANCE LAWS VARY BY JURISDICTION. PLEASE CHECK ALL RELEVANT LAWS IN YOUR
JURISDICTION BEFORE USING THIS PRODUCT IN ORDER TO ENSURE THAT YOUR USE CONFORMS THE
APPLICABLE LAW. HIKVISION SHALL NOT BE LIABLE IN THE EVENT THAT THIS PRODUCT IS USED WITH
ILLEGITIMATE PURPOSES.
IN THE EVENT OF ANY CONFLICTS BETWEEN THIS MANUAL AND THE APPLICABLE LAW, THE LATER
PREVAILS.

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Regulatory Information
FCC Information
Please take attention that changes or modification not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
Note: This product has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This product generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this product does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
FCC Conditions
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause undesired operation.
EU Conformity Statement
This product and - if applicable - the supplied accessories too are marked with "CE" and comply therefore with
the applicable harmonized European standards listed under the EMC Directive 2004/108/EC, the RoHS
Directive 2011/65/EU, the R&TTE Directive 1999/5/EC.
2012/19/EU (WEEE directive): Products marked with this symbol cannot be disposed of as unsorted municipal
waste in the European Union. For proper recycling, return this product to your local supplier upon the purchase
of equivalent new equipment, or dispose of it at designated collection points. For more information see:
www.recyclethis.info
2006/66/EC (battery directive): This product contains a battery that cannot be disposed of as unsorted municipal
waste in the European Union. See the product documentation for specific battery information. The battery is
marked with this symbol, which may include lettering to indicate cadmium (Cd), lead (Pb), or mercury (Hg).
For proper recycling, return the battery to your supplier or to a designated collection point. For more information see:
www.recyclethis.info
Industry Canada ICES-003 Compliance
This device meets the CAN ICES-3 (B)/NMB-3(B) standards requirements.
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two
conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause undesired operation of the device.

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Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radioexempts de licence.
L'exploitation est autorisée aux deux conditions suivantes :
(1) l'appareil ne doit pas produire de brouillage, et
(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en
compromettre le fonctionnement.
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or
lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the
antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that
necessary for successful communication.
Conformément àla réglementation d'Industrie Canada, le présent émetteur radio peut
fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvépour l'émetteur par Industrie Canada.
Dans le but de réduire les risques de brouillage radioélectrique àl'intention des autres utilisateurs, il faut choisir le type
d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensiténécessaire à
l'établissement d'une communication satisfaisante.

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Safety Instruction
These instructions are intended to ensure that user can use the product correctly to avoid danger or property loss.
The precaution measure is divided into “Warnings” and “Cautions”
Warnings: Serious injury or death may occur if any of the warnings are neglected.
Cautions: Injury or equipment damage may occur if any of the cautions are neglected.
Warnings
●Proper configuration of all passwords and other security settings is the responsibility of the installer and/or end-user.
●In the use of the product, you must be in strict compliance with the electrical safety regulations of the nation and region.
Please refer to technical specifications for detailed information.
●Input voltage should meet both the SELV (Safety Extra Low Voltage) and the Limited Power Source with +8 to
+36VDC according to the IEC60950-1 standard. Please refer to technical specifications for detailed information.
●Do not connect several devices to one power adapter as adapter overload may cause over-heating or a fire hazard.
●Please make sure that the plug is firmly connected to the power socket.
●If smoke, odor or noise rise from the device, turn off the power at once and unplug the power cable, and then please
contact the service center. Thank you for purchasing our product. If there is any question or request, please do not
hesitate to contact the dealer.
Warnings Follow these safeguards
to prevent serious injury or death.
Cautions Follow these precautions to
prevent potential injury or material
damage.

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Safety Instructions
Read, keep and follow these instructions.
Professional automobile assembly manufacturers or automakers are required for the system installation. And place the
device at a well-ventilated position inside the automobile.
Please make yourself be familiar with the power connection before installation.
Use the factory recommended HDD for this device.
Install antennas of wireless networks and satellite positioning in place with good signal and away from lightning,
avoiding the coverage or shielding of other objects. Keep the master and slave antennas upright in a distance of at least
20cm if both of them are installed.
The system is made of sophisticated electronics and do not disassemble the device by yourself.
Contact the qualified technician from Hikvision or authorized dealer if there is any question or request.

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Product Key Features
General
User-friendly GUI providing easy and flexible operations
Each channel supporting up to 1080P resolution with high-efficient and flexible H.264 encoding technology
Up to 4 IP cameras can be added
Two pluggable 2.5-inch HDDs/SSDs are connectable
Hard disk box with fan and USB interface supporting intelligent temperature control and data export
Built-in 3G (WCDMA) and WIFI modules providing flexible data transmission solutions
Power-off protection avoiding key data from loss
Built-in GPS module precisely positioning the vehicle via the satellite and recording the location information in the
stream
Information collection interfaces collecting driving information such as left/right turn, braking, backing up, etc.
Multiple extension interfaces supporting connection of external G-sensor, etc.
Specialized aviation connectors ensuring signal stability
Ignition startup, Delay (0 h to 6 h) shutdown and 24-hour scheduled startup/shutdown
Wide-range power input (+ 8 VDC to + 36 VDC)
Aluminum die-cast chassis well adaptable to working environment
SIM card design
Software-based firewall supported
Local Monitoring
1/4/9-division live view and adjustable display sequence of screens
Shielding designated live view channel
Motion detection, tamper-proof, video exception alarm and video loss alarm
Privacy mask
HDD Management
Up to two 2.5-inch SATA disks
S.M.A.R.T. function
HDD sleep
File format compatible with Windows system; eliminating file fragments by disk space pre-allocation technology
Record and Playback
Cycle recording and non-cycle recording supported
Three types of compression parameters including main stream (normal), main stream (event) and sub-stream
Multiple recording types: normal, alarm, motion, motion|alarm, motion&alarm
Up to 8 time periods configurable for different recording types
Pre-record and post-record for motion or alarm triggered recording
Search and play back record files by camera No., recording type, start/end time, etc.
Supporting pause, fast forward, slow forward, skip forward, skip backward and mute when playback

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Backup
Export video data by USB device
Export video data by pluggable HDD
Management and maintenance of backup devices
Alarm and Exception
Management of alarm input/output
Management of video loss alarm, motion detection alarm, video tampering alarm
Configurable arming schedule of alarm input/output
Alarm for video loss, motion detection, video tampering, video signal exception, video input/output standard mismatch,
illegal login, network disconnected, IP confliction, HDD error, and HDD full
Multiple alarm linkage actions including pop-up image on monitor, audible warning and alarm output. Motion
detection and alarm input can also trigger recording of specified channels
Automatic restore when system is abnormal
Supporting alarm and status display terminal
Other Local Functions
Two-level user management; admin user is allowed to configure the parameters and create many operators
Supporting record and search the logs of operation, alarm, exceptions and information
Upgrade system via USB or network interface
Import/export of device configuration file
Network Functions
Self-adaptive 10M/100M network interface
WCDMA supported
Wi-Fi supported
Remote configuration and operation by iVMS platform and SDK platform
TCP/IP, DHCP, DNS, NTP, and SADP supported
Remote search, playback, download of record files
Remote parameters setup; remote import/export of device parameters
Remote viewing of the device status, system logs and alarm status
Remote HDD formatting, program upgrading and system restart
RS-232 transparent channel transmission
Embedded WEB server
Development Scalability
SDK for Windows and Linux system
Development support and training for application system
The Wi-Fi function is only supported by the “/WI”devices.
The 3G dialing function is only supported by the “/GW”devices.

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TABLE OF CONTENTS
Product Key Features..............................................................................................................................................6
Chapter 1 Introduction......................................................................................................................................10
1.1 Front Panel.................................................................................................................................................10
1.2 Rear Panel.................................................................................................................................................. 11
1.3 IR Remote Control Operations .................................................................................................................. 11
1.4 USB Mouse Operations.............................................................................................................................13
1.5 Starting Up and Shutting Down the Device...............................................................................................14
1.5.1 Vehicle Ignition Startup and Time-delay Shutdown .........................................................................14
1.5.2 Timing On/Off..................................................................................................................................16
1.6 Alarm Input / Output Connection..............................................................................................................16
1.6.1 Alarm Input Connection...................................................................................................................16
1.6.2 Alarm Output Connection ................................................................................................................17
1.7 Hard Disk Installation................................................................................................................................17
1.8 SIM Card Installation ................................................................................................................................21
1.9 Cable Hooks Installation............................................................................................................................23
Chapter 2 Basic Operations...............................................................................................................................25
2.1 Setting Admin Password............................................................................................................................25
2.2 Main Page..................................................................................................................................................25
2.3 User Management......................................................................................................................................26
2.4 IPC Settings...............................................................................................................................................27
2.4.1 Activating IP Cameras......................................................................................................................28
2.4.2 Adding IP Cameras...........................................................................................................................29
2.4.3 Setting IP Cameras ...........................................................................................................................30
2.4.4 Deleting IP Cameras.........................................................................................................................31
2.5 Display Settings.........................................................................................................................................31
2.6 Camera Settings.........................................................................................................................................33
2.7 Preview Settings ........................................................................................................................................35
Chapter 3 PTZ Controls....................................................................................................................................37
3.1 Configuring PTZ Settings..........................................................................................................................37
3.2 PTZ Control Panel.....................................................................................................................................37
3.3 Setting PTZ Presets, Patrols & Patterns.....................................................................................................38
3.3.1 Customizing Presets .........................................................................................................................38
3.3.2 Calling Presets..................................................................................................................................39
Chapter 4 Record Settings.................................................................................................................................40
4.1 Configuring Encoding Parameters.............................................................................................................40
4.1.1 Initializing the HDD.........................................................................................................................40
4.1.2 Configuring Record Settings ............................................................................................................40
4.2 Configuring Motion Detection Record ......................................................................................................42
4.3 Configuring Alarm Triggered Record........................................................................................................44
4.4 Searching Record Files..............................................................................................................................45
Chapter 5 Wireless Network Settings...............................................................................................................47
5.1 Dialing Settings .........................................................................................................................................47

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5.2 Wi-Fi Settings............................................................................................................................................48
Chapter 6 Platform Settings..............................................................................................................................51
6.1 Accessing by iVMS Platform ....................................................................................................................51
6.2 Accessing by Push Mode Platform............................................................................................................51
Chapter 7 Mobile Specified Functions..............................................................................................................53
7.1 Configuring Startup and Shutdown............................................................................................................53
7.2 Configuring Satellite Positioning...............................................................................................................54
7.3 Configuring G-Sensor Alarm.....................................................................................................................55
7.4 Configuring Sensor-In ...............................................................................................................................55
Chapter 8 Other Functions................................................................................................................................57
8.1 Local Network Settings .............................................................................................................................57
8.2 Alarm Settings...........................................................................................................................................58
8.2.1 Configuring Alarm Input..................................................................................................................58
8.2.2 Configuring Alarm Output ...............................................................................................................60
8.2.3 Configuring Video Tampering Alarm...............................................................................................61
8.2.4 Configuring Video Loss Alarm.........................................................................................................62
8.2.5 Handling Exceptions ........................................................................................................................63
8.2.6 Configuring Alarm Terminal ............................................................................................................64
8.3 Configuring Firewall Settings....................................................................................................................64
8.4 Serial Port Settings ....................................................................................................................................66
8.5 Backup.......................................................................................................................................................66
Chapter 9 Device Maintenance .........................................................................................................................68
9.1 Checking Status.........................................................................................................................................68
9.2 Management and Maintenance ..................................................................................................................68
9.2.1 Upgrading the System ......................................................................................................................68
9.2.2 Searching & Exporting Log files......................................................................................................70
9.2.3 Restoring Default Settings................................................................................................................71
9.2.4 Importing/Exporting Configuration Files.........................................................................................71
9.2.5 Viewing System Information............................................................................................................72
9.2.6 Managing Backup Device ................................................................................................................72
9.2.7 Rebooting.........................................................................................................................................73
Chapter 10 Appendix...........................................................................................................................................74
10.1 Glossary.....................................................................................................................................................74
10.2 FAQ ...........................................................................................................................................................75

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Chapter 1 Introduction
1.1 Front Panel
The front panel of DS-M5504HNI series is displayed below:
12
4
3
5
Figure 1. 1 Front Panel
Table 1. 1 Description of Front Panel
No.
Name
Description
1
LAN
1 RJ45 10M / 100M self-adaptive PoE interfaces.
2
Hard disk lock
Lock / Unlock the hard disk box.
3
Hard disk box
Insert two 2.5-inch SATAHDDs / SSDs for data storage.
4
USB
USB 2.0 interface
5
Indicators
IR: IR receiver
Receive IR signal from remote control
PWR: Power indicator
Lights green after device starts up; Lights red when device is standby.
RDY: Ready indicator
Lights green after device starts up properly.
REC: Record indicator
Lights green when recording.
ALM: Alarm indicator
Lights red when alarm occurs.
ANT: ANT indicator
Solid green indicates dialing module is normal. Flashing green indicators device dialed.
GNSS: GNSS indicator
Solid green indicates GNSS module is normal. Flashing green indicates positioning
succeeded.

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1.2 Rear Panel
The rear panel of DS-M5504HNI series is displayed below:
12 3 4 5
6789
Figure 1. 2 Rear Panel
Table 1. 2 Description of Rear Panel
No.
Name
Description
1
PoE1 to POE4
PoE interfaces connectable to IP cameras, providing the power supply
2
RS232
RS-232 interface
3
USB
USB interface, 5-pin aviation plug
4
AV OUT
4-pin aviation plug for audio & video output; providing DC12V power supply.
5
POWER
6-pin aviation plug for power supply and start control
6
VGA
VGAinterface
7
EXT. DEV
10-pin aviation plug for RS-422 interface, two-way audio interface, and video output
8
I/O
Alarm input / output interfaces
9
GNSS
GNSS antenna interface
M-ANT
3G antenna interfaces
WIFI
Wi-Fi antenna interface
Part function is optional. For details, see the actual device model.
Pin definition of aviation plugs is for reference only. For details, see the tag on the corresponding component.
1.3 IR Remote Control Operations
The device may also be controlled with the included IR remote control, shown in Figure 1.3.
Batteries (2×AAA) must be installed before operation.

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Figure 1. 3 Remote Control
Table 1. 3 Description of the IR Remote Control Buttons
No.
Name
Description
1
Power
Reserved
2
DEV
Input device number.
3
Number keys
1.Input number, symbol, and character.
2.Switch to the corresponding channel in Live View mode.
4
Edit
1.Enter the edit status, and then delete the character in the front of the
cursor.
2.It can also be used to tick checkbox.
3.In Playback mode, it can be used to generate video clips for backup.
5
A
Switch between input methods (Number, English, symbol) when in the edit
status.
6
REC
Reserved
7
PLAY
Enter video search interface
8
INFO
Reserved
9
VOIP/MON
Reserved
10
MENU
Enter Main menu interface.
11
PREV
Switch between single screen and multi-screen mode.

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12
DIRECTION Buttons
Up, Down, Left, Right
1.The DIRECTION buttons are used to navigate between different fields
and items in menus.
2.In the playback interface, they are used for fast forward, slow forward,
rewind.
3.In Live View mode, these buttons can be used to switch channel(s).
ENTER
1.The ENTER button is used to confirm selection in any of the menu
modes.
2.It can also be used to tick checkbox.
3.In Playback mode, it can be used to play or pause the video.
4.In Auto-switch mode, it can be used to stop /start auto switch.
13
PTZ
Reserved
14
ESC
Back to the previous menu.
15
RESERVED
Reserved for future use.
16
F1
In video search interface, it can be used to select all record files.
17
PTZ Control Buttons
Buttons to adjust the iris, focus and zoom of a PTZ camera.
18
F2
Reserved
Remote Control Troubleshooting:
Make sure you have installed batteries properly in the remote control. And you have to aim the remote control at the IR
receiver in the front panel.
If there is no response after you press any button on the remote, follow the procedure below to troubleshoot.
Steps:
1. Go to Menu > Other Settings > Display > Advance Setting by operating the mouse.
2. Check and remember device ID#. The default ID# is 255. This ID# is valid for all the IR remote controls.
3. Press the DEV key on the remote control.
4. Enter the device ID# in step 2.
5. Press the ENTER button on the remote.
If there is still no response from the remote, please check the following:
1. Batteries are installed correctly and the polarities of the batteries are not reversed.
2. Batteries are fresh and not out of charge.
3. IR receiver is not obstructed.
If the remote still can’t function properly, please change a remote and try again, or contact the device provider.
1.4 USB Mouse Operations
A regular 3-button (Left/Right/Scroll-wheel) USB mouse can also be used with this device. To use a USB mouse:
1. Plug USB mouse into one of the USB interfaces on the front panel of the device.
2. The mouse should automatically be detected. If in a rare case that the mouse is not detected, the possible reason may be
that the two devices are not compatible, please refer to the recommended device list from your provider.
Table 1. 4 Description of USB Mouse Operations

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Name
Action
Description
Left-click
Single-click
Menu: Select and enter.
Checkbox: Check / Uncheck the checkbox.
Double-click
Live View: Switch single-screen and multi-screen.
Click-and-drag
Tamper-proof, privacy mask, motion detection: Select target area.
Right-click
Single-click
Live View: Show right-click menu.
Menu: Go back to upper-level menu.
1.5 Starting Up and Shutting Down the Device
Two working modes are available for the mobile NVR. The connection of power cables and control interfaces varies from
the device working mode.
Vehicle ignition startup and time-delay shutdown
The mobile NVR starts up when the vehicle ignites and shuts down according to the pre-defined delay time after the vehicle
is off. The startup and shutdown of the device depend on the vehicle ignition signal.
Timing on/off
The mobile NVR starts up or shuts down automatically according to the pre-defined time and the device works separately
from the running status of the vehicle.
1.5.1 Vehicle Ignition Startup and Time-delay Shutdown
The vehicle ignition startup and time-delay shutdown are realized by the vehicle ignition switch, which includes positive
pole ignition switch (providing high level signal when the switch closes) and negative pole ignition switch (providing low
level signal when the switch closes). The wire connection of the device varies from different vehicle ignition switch.
For detailed time settings of time-delay shutdown, see Chapter 6.1
Please contact the vehicle manufacturer for the connection information of starting switch.
The vehicle ignition switch, also called car key, controls the startup and shutdown of the vehicle. Most of the cars
adopts positive pole ignition switch currently.

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Positive pole ignition switch
Figure 1. 4 Connection of Positive Pole Ignition Switch
Ignition switch is connected to the positive pole of DC+12/24V of vehicle batteries. Please make sure that the connection is
correct, and then perform the following steps:
Steps:
1. Connect the “DC IN +”of mobile NVR to the positive pole of vehicle batteries, jumping over the switch of normal
vehicle power.
2. Connect the “DC IN -”and “KEY -”of mobile NVR to the negative pole of vehicle batteries.
3. Connect the “KEY +”of mobile NVR to the vehicle ignition switch.
The normal vehicle power refers to the main power of the vehicle power supply system. After the vehicle is off, the
normal vehicle power still provides direct-current source for the other devices inside and generally a main switch is
used to turn on/off it.
Negative pole ignition switch
Figure 1. 5 Connection of Negative Pole Ignition Switch
Ignition switch is connected to the negative pole of DC+12/24V of vehicle batteries. Please make sure that the connection is

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correct, and then perform the following steps:
Steps:
1. Connect the “DC IN +”and “KEY +”of mobile NVR to the positive pole of vehicle batteries, jumping over the switch
of normal vehicle power.
2. Connect the “DC IN -”to the negative pole of vehicle batteries.
3. Connect the “KEY -”of mobile NVR to the vehicle ignition switch.
1.5.2 Timing On/Off
Figure 1. 6 Timing On/Off
Steps:
1. Connect the “DC IN +”and “KEY +”of mobile NVR to the positive pole of vehicle batteries.
2. Connect the “DC IN -”and “KEY -”of mobile NVR to the negative pole of vehicle batteries.
For detailed time settings of time-delay shutdown, see Chapter 6.1
1.6 Alarm Input / Output Connection
1.6.1 Alarm Input Connection
DS-M5504HNI series mobile NVR adopts the high/low-level electrical signals triggering (high level: 6 to 36 VDC; low
level: 0 to 5 VDC) to realize alarm input. And in order to avoid error report caused by voltage fluctuation, no alarm will be
triggered by voltage ranging of 5 to 6VDC.
Figure 1. 7 Alarm Input Connection

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1.6.2 Alarm Output Connection
The alarm output interfaces B1 and C1 of the mobile NVR is closed normally if no alarm occurs. When an alarm output is
triggered, the corresponding A1 and B1 interfaces will be connected. Thus, the active alarm device is required for the
system.
Figure 1. 8 Alarm Output Connection
1.7 Hard Disk Installation
Use the factory recommended 2.5-inch hard disk.
For single HDD installation, the thickness of the HDD should be 9.5mm or 7mm; for double HDD installation, the
thickness of each HDD should be 7mm.
Initialize the HDD for recording after the installation. Otherwise, the system will give an audible warning for HDD
error. For details, see 4.1.1 Initializing the HDD.
Perform the following steps to install the HDD on the mobile NVR.
Steps:
1. Prepare the tools and components for installation:
two 2.5-inch SATA HDDs, antistatic gloves, key
to hard disk lock, cross screwdriver, conventional
screws and sunk screws.
Put on the antistatic gloves before the
installation.

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2. Insert the key and turn in counterclockwise to
open the hard disk lock, unfasten the screws
counterclockwise and pull out the hard disk box.
The hard disk lock is locked when the keyhole stands
upwards and is open when the keyhole stands leftward.
3. Loosen and remove the two set screws marked in
the figure with the screwdriver, and then take the
hard disk apart.
4. The assembly parts of the hard disk box are
shown in the figure.
5. Place the first HDD into the hard disk box, with
the PCB facing downward.

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6. After the HDD is fully placed into the bracket,
reverse the hard disk box and flat the HDD.
There are two disk sockets in the bracket and
tightly insert the first HDD into the one at the
bottom.
7. Tighten the four screws marked in the figure to
fix the HDD.
For some certain HDDs, only the two upside screws
are available. Tighten the two screws and go to the
next step.
8. Tighten the two set screws on the left and right
sides of the hard disk box, shown in the figure, to
fix the inserted HDD.
9. Place the second HDD into the hard disk box,
with the PCB facing upwards.