Aler AH2000 User manual

User Manual
GPS / 3G / WIFI, 4 channel
SD Card Mobile Digital Video
Recorder（MDVR）
Model:AH2000

SD card MDVR User Manual V2.0
SD card MDVR(AH2000) User Manual V2.0
LIST
PREFACE........................................................................................................ - 1 -
Section 1: Product Specifications ..................................................................- 3 -
Product Specifications ................................................................................ - 3 -
1.2 The MDVR products application connection diagram......................... - 4 -
Section 2: Interface definition and functions................................................. - 5 -
2.1 The MDVR overall appearance &structure diagram (model ONE)..... - 5 -
2.2 The MDVR Rear Panel Interface Definition........................................- 6 -
2.3 Simple Instruction for Common Interface Wire................................... - 6 -
2.4 SIM Card Installation............................................................................ - 8 -
2.5 Remote Control Function keys Description.......................................... - 8 -
Section 3: common quick setting and operation ......................................... - 10 -
3.1 The Junction Test and Start up............................................................ - 10 -
3.2 Test Input ............................................................................................ - 10 -
3.3 Video Settings..................................................................................... - 11 -
3.4: PTZ connection way and settingSystem Menu-Peripherals-PTZ settings- 13 -
3.5: PC playback of the video file............................................................. - 15 -
3.6: Fast report by vehicle server CMS Sever .......................................... - 16 -
Section 4: Menu function instructions ......................................................... - 18 -
4.1: Device Start-up and User Login In.................................................... - 18 -
4.2: System Menu Organizational Framework......................................... - 20 -
4.3: General setting.................................................................................. - 20 -
4.3-1: Date & Time............................................................................ - 21 -
4.3-2: Vehicle settings ....................................................................... - 22 -
4.3-3: User management settings....................................................... - 22 -
4.3-4: Network Settings.....................................................................- 22 -
4.4: Video settings .................................................................................... - 23 -
4.4-1: General Settings....................................................................... - 23 -
4.4-2: Encoding settings..................................................................... - 24 -

SD card MDVR User Manual V2.0
4.4-3: Sub-stream settings.................................................................. - 25 -
4.4-4: Video plan (24-hour clock) .....................................................- 26 -
4.5: Alarm settings.................................................................................... - 26 -
4.5-1: The sensor setting-(alarm input)............................................. - 27 -
4.5-2: Speed setting........................................................................... - 28 -
4.5-3: Acceleration settings ...............................................................- 28 -
4.5-4: Temperature settings ............................................................... - 29 -
4.5-5: Motion Detection Settings....................................................... - 29 -
4.5-6: Oil Settings.............................................................................. - 30 -
4.6: System Tools...................................................................................... - 30 -
4.6-1: The formatting-disk management............................................ - 31 -
4.6-2: Configuration management and log search............................. - 32 -
4.6-3: Device Upgrade....................................................................... - 33 -
4.7: Peripheral........................................................................................... - 33 -
4.7-1: PTZ setting .............................................................................. - 33 -
4.7-2: Wireless broadband................................................................. - 34 -
4.7-3: Built-in WIFI settings (optional)............................................. - 36 -
4.8: Record Search.................................................................................... - 37 -
4.9: System Information........................................................................... - 39 -
Appendix: CMS platform interface ............................................................. - 40 -
Appendix 2: Common problems and treatment .........................................- 40 -
Appendix 3: storage space corresponding table.......................................... - 44 -

SD card MDVR User Manual V2.0
SD card MDVR(AH2000) User Manual V2.0
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PREFACE
A:Features Introduction
MDVR is a kind of cost-effective device with strong functional scalability which is specially
designed for vehicle video monitoring and remote monitoring .It is developed by high-speed
processor and embedded Linux platform, combined with the most advanced H.264 video
compression/decompression technology, network technology in the field of IT, and GPS
positioning technology, using SD card as the storage medium; MDVR can realize four
CIF\HD1\D1 format of audio and video recording, vehicle driving information recording and
GPS positioning signals uploading functions. MDVR with the center software can realize
functions of alarm-linkage center monitoring, remote management and playback analysis. This
product is with simple appearance and all-metal housing design; it is also with characteristics of
scalability, super anti-vibration, flexible and convenient installment, powerful function, high
reliability, good heat dissipation and stability.
Four audio and video input, selectable resolution D1/HD1/CIF;
H.264 video compression algorithm, Linux operating system, supporting dual-stream;
Built-in 3G(WCDMA/EVDO/TD-SCDMA),WIFI,GPS module(highly scalable);
Support two SD card (dual card storage longer);
Support digital watermark function;
Rich peripheral interface, Such as: RS485, RS232, RJ45,MIC, SPEAK interface;
3-8 second delay of power off to protect data, preventing loss of video data from
momentary power failure
Vehicle black box function, recording speed, location (with GPS), acceleration and other
information;
Standard industrialization embedded design, low power consumption, all-metal
aluminum housing, anti-explosion, anti - vibration, good heat dissipation;
DC8V~36V wide voltage power supply
B:Notices
In order to ensure the safe use of MDVR to get satisfying performance, please consider the
following factors completely in the installation of device:
1:Comply with the specifications of all electronic products, requirements of the vehicles
and other connected devices when install and operate this device;
2:Power and Device Grounding:
Device power input range DC 8V-36V, please be careful not to reverse, the output cannot be
short-circuited. Please pay attention to the power supply capacity of the power cord. Even if the
device is turned off, the machine is also charged, please avoid a short circuit. Disconnect the
device and the power before connecting to other external devices; Its output voltage is 12V, only
can be used for the camera power supply. Please do not use on any other devices without
permission. The sensor input mode is electric frequency mode, it is considered as low frequency

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electric when is less than 30V but greater than 4V, in case of 30V above, it will result in device
damage when device grounding is recommended.
3: Humidity requirement:
Install the device in a dry environment, avoiding wet, dripping, spray and other places. Do
not install device in depression place or liquid dripping wet places; Do not touch the device with
wet hands; Do not touch the device when stand in water contact, which will have risk of electric
shock;
4: Installation location:
In order to extend the life of device, please try to install the device in the location with less
vibration on vehicle, Such as the back of the driver‘s seat. It should be installed in the airy place
inside the vehicle; it should keep 6inches (15 cm) from other objects when installed in plane, in
order to facilitate vehicle; it should keep 6inches (15 cm) from other objects when installed in
plane, in order to facilitate air circulation and heat dissipation; it cannot be installed in a closed
space, such as the vehicle trunk. It is recommended to be put straight up which can extend the life
of hard disk, while side-mounted can easily damage hard disk; external wire must have enough
interval and protection by fire –retardant pipe, to ensure that the wire will not be bent or leakage
due to vibration and wear; please ensure that the device is away from the heat source on the
vehicle, and it is prohibited to place any debris on the device.
5: Device safety:
Make sure that the passenger or the driver cannot interfere and damage the piece of device,
cameras, wires and other accessories do not install the device near any restricted vehicle
components, cameras, accessories and wires, must make sure that the vehicle is stationary during
the installation process to prevent the device from falling.
1.This device includes electronic
components, please handle with care
during transportation.
2. Installation and maintenance must be
performed by professionally qualified
persons.
3. It cannot be installed in any eroded
places by rain or other liquid
4. It cannot be put under any heavy stuffs
5. Keep it away from heat, dust, and
strong magnetic field, do not directly flush
6. Do not replace any module when main
body is powered on.
7. Do not open or disassemble the device
without guidance of professionals.
8. Device output power shall not lap any
non-recommended

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Section 1: Product Specifications
Product Specifications
Table 1:MDVR Specifications
Project
Device parameters
Performance indicators
System
Operation Language
Chinese/English
Operation Interface
Graphical menu interface(OSD menu)
Password Security
Two Management Level--User password,
administrator password
Video
Video Input
Four composite video inputs
Video Output
One video outputs(one φ 3.5 Phone jack, the other
one in 24PIN )
Video Display
Single-screen, four-screen display
Video Standard
PAL,NTSC standard
Image Compression
H.264Main profile, compression resources to 100/s
Audio
Audio Input
Four Audio Input
Audio Output
One Audio Output
Recording Method
Sound and video synchronized recording
Image
processing and
storage
Image format
three resolution options CIF/HD1/D1
V streaming standard
ISO14496-10
Video bit rate
CIF:1536Kbps~128Kbps,HD1:2048Kbps~380Kbps,
D1:2048Kbps~400Kbps,8 levels of optional
quality,1 this the highest,8 this the lowest
Audio bite rate
8KB/s
Data Memory
Support 2pcs SD card, one of which can support
128GB
Alarm
Alarm input
Four alarm inputs,4V above will be high frequency
electric alarm
Alarm output
One alarm output ,output high frequency 12V
Interface
RS485/RS232
One RS232,One RS485
GPS
GPS coordinates, GPS speed etc. which can be written into code stream, and
upload wirelessly as well (optional)

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Acceleration
sensor
External, built-in acceleration sensor G-Sensor (optional)
Supporting
software
PC playback of video files, and analyze the vehicle information in file
Software
upgrades
This device supports the upgrading by SD card
Machine Size
Device Size
154(W)mm×45(H)mm×1 25(L)mm
1.2 The MDVR products application connection
diagram
Please refer toFigure1-1，This product can be used for video surveillance or remote
monitoring which applies in common or special vehicles such as buses, logistic vehicles, trucks,
long-distance coaches, taxis, tankers, cars, school buses, police cars, patrol cars. In front-end it
mainly collects video signal by dedicated automotive camera ,then transmit to the MDVR host via
a special video cable to do the video compression and image processing, which is locally storage
in SD card .it can also be remote monitored or remote video recorded and downloaded by the
remote client if with 3G models .It can real-time locate the vehicle position;Figure1-1 schematic
diagram is a common model of application, each function during actual use will vary with the
presence of module.
Figure 1-1:MDVR Schematic diagram
NOTE:
With the constantly updating of our products, this technical specifications
table will also have occasional updates. Our company reserves the right to change
the product’s technology The parameters without notifying customers!

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Section 2: Interface definition and functions
2.1 The MDVR overall appearance &structure
diagram (model ONE)
Figure 2-1: Device structure and Size diagram
Figure 2-2: Schematic diagram

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2.2 The MDVR Rear Panel Interface Definition
Figure 2-7: The MDVR back panel Interface definition
Table 3: The MDVR rear panel interface description as follow
Connector
Name
Explain
4PIN Audio output
AV-OUT
4PIN is made by four lines: red, black, yellow, white
GPS Antenna
GPS
GPS Antenna connector
3G Antenna
3G
3G Antenna connector
Power input
DC8~36V
Power input connector
MCU
MCU
The system debugging interface(R&D dedicated)
Sensor input
SENSOR IN
Switch input interface, valid when high level(>4V)
Alarm Output
SENSOR OUT
Alarm output (One output)
Vehicle Speed
SPEED
The device can get vehicle’s speed information
RS485
RS485
RS485 data communication interface(two groups)
RS232
RS232
RS232 serial data communication interface
Intercom
MIC
MIC intercom microphone interface
Amplifier
SPEAK
Intercom audio power amplifier output
5V Output
5V-OUT
DC 5Voutput (usually power for intercom speakers)
2.3 Simple Instruction for Common Interface Wire
A: Power Cord

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As shown by below pictures, one end is 6PIN white plug, which will
be connected to the 6PIN power input connector on the rear panel of the
device, the red and black wires are connected directly to the vehicle battery
or the gathered electric which go through battery and fuse; red wire links to
firing wire, the main device automatically start up when the vehicles key is
turned on, and shut off automatically after delay when vehicles key is
turned off; yellow wire links to the position when vehicles key turn on all
dashboard lights(the position before vehicle starts the motor).
Figure 2-8：The MDVR Interface roughly wiring
B:Audio&Video Wires
Above are the general ways of MDVR rear plate interface
wiring,4PIN testing wire is only used in the test which is not
recommended to be used in installation, it is recommended to use 4PIN
audio and video output, while the φ 3.5 phone Jack interface in the front panel can also
output audio and video .Its peripheral interface can be optional 3G/GPS, which then will need to
use 3Gantenna and GPS antenna, as shown in Figure2-8
C ： Alarm input&output
This device has 4 alarm input and one alarm output interface ,alarm
input detection are all level detection which can be accessed by a variety
NOTE:
1:Need to make sure the battery voltage is between 8V-36V before
connecting, otherwise above voltage will burn out the device;
2:Pay attention to the insulation among the power cord after connection to
prevent the short circuit of the power cord which will burn out the battery and
other electrical equipment in the vehicle;
3:It is recommended to link the yellow wire to the firing wire, otherwise the
device will not support the delayed shutdown;
4:The installation of vehicle-mounted is recommended to directly take from
battery positive and negative, or pick from the main electrical with fuse, do not
use ground because ground will produce negative pulses which will interfere
with the normal operation of the host. The diameter of positive and negative
power cord must be more than φ1.5mm;

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of vehicles driving state ,such as brakes, steering, keyless entry, an
emergency alarm button etc. Brake, as shown in Figure2-9 ,when the brake
pedal is depressed, MDVR will be able to detect high level, otherwise low
level is detected. Alarm output are all level output with drive capacity of
200mA,if you want to access the devices with larger power ratio, It is
necessary to use external relay alarm output photoelectric alarm wiring
diagram in Figure2-10 as bellow.
Figure 2-9 Figure2-10
2.4 SIM Card Installation
If the MDVR supports 3G wireless
communication module, you will need to
install SIM card which is suitable for
WCDMA/EVDO/TD-SCDMA. SIM
card is in the front motherboard of the
host, when the host key swifts to UN-
LOCK, open the SD card protective
cover to right to expose the SD card slot
and SIM card slot, Metal SIM card face
down, and the gap aligned forward,
mouth pressed into Place, please
remember to pay attention
tothe positive and negative as well as
direction when inserting SIM card, after
installation, cover protective cover, then
lock keys.
2.5 Remote Control Function keys Description
Figure:2-11

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Table 5: Remote Function Description
LOGIN
When VCR has a password, press the LOGIN button to enter the
password, Since the system does not have restoring or resetting function,
please remember the password
INFO
Information Review
FOURSCREEN
SPLIT NUMERIC
KEYPAD
They are used to switch between the four-screen and single screen on the
monitor screen; Press screen–split key to display 4 screens, press the
number 1/2/3/4 to correspondingly display channel1-channel2-channel3-
channel4
RETURN
Return to the upper layer of the sub-menu .Eventually exit the setup menu
and return to the monitor screen;
PAUSE/STEP
Pause key when play back image&data and single-step play key as well,
each press can play one step ,press arrow keys to resume normal playback
speed;
PLAY
Button of starting play(press this key to play when you have searched and
selected the video file)
FORWARD
Fast forward key when play back video data ,fourth gear:2X,4X,8X,16X
REW
Rewind key when play back video data, fourth gear: 2X,4X,8X,16X
NEXT
Turn to previous page/previous one of searched files
PTZ FUNCTION
KEYS
Automatic,preset,recall,zoom+,zoom-,focus+,focus-,aperture+,aperture-
,PTZ PRESET,RECALL,BRUSH
F1、F2、F3
F1 F2 F3 is the function testing key

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Section 3: common quick setting and operation
3.1 The Junction Test and Start up
The host‘s power cords are red, black and yellow, red and black wires connect directly to the
vehicle battery or go through vehicle fuse, the red wire links to the positive, while black wire links
to the negative, yellow wire links to firing wire ACC(the position before vehicle to start the
monitor). However, if under other testing environment without vehicle, follow wiring method is
needed: twist red and yellow wires links to the positive, black wire links alone to the negative,
then you can use the switch power supply above DC16V-5A to supply power to the host.
1: When power is supplied after correct wiring, the PWR blue light on the panel will keep on,
standby
2: Connect the output wire AV-OUT to display and connect other according devices to the
host, make sure the connection is correct.
3: Need to turn off electronic lock with a key to the LOCK position (required) is the normal
starting up, the corresponding light turns yellow after starting up.
Below Figure4-1 is testing wiring, as well as the power supply wiring during actual loading.
3.2 Test Input
Need to use input method when input text, such as the company name, license plate
number ,driver‘s name, line number ,and other text input needs when requires input method
under other menu. Take inputting ―YueB95886‖ for example after entered the input interface to
illustrate the input steps
Step One: in the state of Chinese input, as shown in Figure3-2,character(YUE
Guangdong)‘s Pinyin is YUE, move the cursor to press ENTER key to input the first Chinese
lettery, it will display the corresponding Pinyin combination 1-5,if there is no Pinyin as YUE,
NOTE:
1: The power supply voltage input range is DC8-36V,when there is only a
blue light on, it is a standby state which is not really starting up; more than
onelight will be on under normal start up status.
2: The host can be delayed shutdown when you use testing wires for the
power supply of host.

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please press the FWD key on the remote control to the next pages; when it shows 1.you 2.yu
3.yuan 4.yun on the next page, please use FWD button to turn the pages; when it shows 1-5pcs of
Chinese characters, if there is no YUE character, please use FWD button to turn the pages; when
it shows 1 read 2 key 3Yue 4GuangdongYue,please press 4 to input the first Chinese character
YUE(Guangdong).
Step Two: Now you will need to input the letter B, move the cursor to press ENTER key
to switch the input method to the state of capital letters, as Figure3-3, then move the cursor onto
the letter Bto press ENTER key to input it.
Step Three: Next you will need to enter numbers, press it again to switch to Chinese input
state ,you cannot input numbers under Chinese input state, then you need to move the cursor to
the ‖in(middle)‖word ,press ENTER key to turn to EN, and then enter numbers 95886.
After the completion of above steps, press the RETURN key to go back and save, other text
input under other menus will be more or less the same. Please press CANCEL to delete it when
there is a typo during the input process.
3.3 Video Settings
1: Video Start Up
After the installation of a new SD card in the device, the formatting is recommended after
normal boot into the system, in order for system to have better compatible relationship with its
format .After the formatting, host will automatically start up the video when restart.
2：Timer recording
Firstly modify to be timing video under the System menu –Video Settings–General
settings-Video mode, save and return to the previous menu level to be video plan, and then set the
time period of the video; save it after setting finished.
3: Alarm recording

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Firstly modify to be alarm recording under the System menu –Video Settings –General
Setting-Video mode, then set the alarm pre-record time (range 0-60s) and alarm video delay (30-
900s); alarm output delay(5-255s),which can be set according to the actual external alarm device.
Secondly it is needed to install the corresponding external alarm input device, such as the
emergency button set by sensor, power switch for open/close door, brakes lights and other sensors;
the following are the several main alarm settings of this device:
A: The sensor input alarm system, system menu-alarm settings-sensor settings
Set the menu (in Figure4-21) with high or low trigger level, and then turn on the alarm; this
menu is corresponding with four external alarm input SENSOR IN (which can be for eight
external alarm output), it must be connected to the corresponding external sensing switch device,
such as door-magnet power supply, emergency button, turning signal switch, brake
lights(Figure2-12), etc; rough connections are shown in Figure3-4.
B: speed alarm setting system menu-alarm settings-speed setting
If the vehicle selects the GPS to get speed information which requires normal status of the
GPS signal, then we need to set a high threshold speed limits, such as 100km/h that is the
maximum speed limit, alarm is opened when vehicle is started, vehicle will output alarm when the
vehicle speed exceeds 100KM/H
If you choose to obtain speed information from the vehicle, it must be connected to the speed
pulse sensor, which is used to calculate the speed ratio (coefficient=pulse/speed), the pulse sensor
is connected to the two wires SPEED-A and SPEED-B of our device, the speed ratio will be
measured according to the set speed and pulse during vehicle‘s moving, which is a little
complicated to operate; simple wiring in Figure3-5.
C: The acceleration alarm recording system menu-alarm settings-acceleration

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Impact acceleration can be understood to be for a three-dimensional XYZ coordinate axis
which can denote three groups of status---up and down, left and right, front and rear; the bouncing
up and down, accelerate, Emergent brake, rollover, sharp turns, etc. during the moving process of
the vehicle can all be expressed in XYZ. Threshold needs to be set by an associated value, it is
firstly needed a calibration after the installation onto the vehicle, the calibration means to clear
parameters X/Y/Z, secondly measure the allowed range of emergent brake & acceleration &
bouncing up and down as well as the change value of a sharp turn of the vehicle during the
operation, thereby to determine which axis‘s value changes a lot. These run status will be in real-
time display and change. After setting and threshold, when the vehicle runs exceed above
threshold, the alarm will be uploaded if the ―alarm‖ opens.
D: Motion detection alarm recording System Menu-Alarm Setting-Motion
Detection
Turn on the motion detection enabled switch, set the sensitivity level of high, medium and
low based on the need, general settings is medium, and the next step is mostly to set the sensing
area of the motion detection, motion detection area and set the video modes as alarm recording,
the image move will trigger the video to generate alarm recording files (Note: it can only take
effect after setting and saving)
3.4: PTZ connection way and setting System Menu-
Peripherals-PTZ settings
Setup steps:
Firstly, select the PTZ protocol: divided into PELCO-D and PELCO-P protocol, most of
people will choose PELCO-D
Secondly, set the baud rate: there are four options 1200/2400/4800/9600 which must be
corresponding is required. Generally the defaulted PTZ address code is 1, PTZ address code has
adjustable DIP, it is needed to set different address codes to identify when there is many PTZs.
Fourthly, wiring: Connect control wire 485 on the PTZ to the RS485-A positive pole,
connect the other one to the RS485-B negative pole.

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Fifthly, there are three ways of wiring, the first way is connecting the 485 control wire to
the wire 485A and 485B on host, connecting the video cable to the host video input and then
provide power to PTZ; This kind of wiring needs to set the MDVR host data be corresponding
to PTZ data, and then use the remote controller or platform to remotely control PTZ.
The second way, the head of the 485 control wire directly connect to the three-dimensional
control keyboard, do not need to connect the MDVR host, the video cable connects to the host
video input, separately power supply to the PTZ and three-dimensional keyboard, and then set
the keyboard parameter to be corresponding with PTZ. This wiring way is the most practical
one, because it uses three-dimensional keyboard to control PTZ, which is faster, easier and more
practical. It is recommended to use this way to install PTZ
The third way is to connect to both car host and three-dimensional control keyboard, so that
both can be controlled and platform remote can also be controlled.
NOTE:
After wiring and parameters setting of PTZ, users can only use remote to
control PTZ after selecting the channel access to PTZ, for example, if PTZ
connects through channel 2, then you need to switch to channel 2 maximize on
the monitor interface to control it.

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3.5: PC playback of the video file
Besides playback by the host side, video files can also be copied to your computer to be
played by the player.
Install the player: Double -click the installation file named MDVR Player V1.0.1.exe in
the CD-ROM, and then select the installation language (supporting Chinese and English), click
OK and then keep clicking ―NEXT‖, a player shortcut icon will show on the desktop after
installation completion; installation steps shown in Figure3-7.
Remove the SD card from host and insert it into the card reader, then connect it to the
computer‘ s USB port, the computer automatically recognizes the newly installed hardware; video
files are stored in the form of date folder, open the folder to display video file, video files are
named with suffix‖.264‖
As shown by Figure3-8, the screen show of playing the file in Figure3-9

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Figure 3-9
3.6: Fast report by vehicle server CMS Sever
NOTE: The following described is invalid to the host which is without 3G module, it is not
needed to report to CMS Sever platform
Step 1: install the SIM card, 3G card which supports WCDMA/EVDO/TD-CDMA, detailed
installation please refer to chapter II, 2.2, and 2.7
Step 2: Enter into the system menu after starting up, firstly modify the host‘s device number,
System Menu-General Settings-Vehicle Information-Device Number, device number range is
from 00000 to 99999. Sever identifies the host according to the device number, so it is very
important to modify the device number.
If the modified device number cannot be reported sometimes, please check the sever device
number has been used or not.
Step 3: Modify the vehicle identification number; the vehicle information displayed on CMS
Server platform is based on vehicle identification number. If it is not modified, it will display
00000 in default. If all are in default, it would cause inconvenience to find vehicles. So it is
proposed to modify the vehicle identification number.
Step 4: Enter another menu settings, System Menu-General Settings-Network Settings, set
the sever IP and control port, the sever can be self-built, and can be affiliated to the
manufacturer‘s server as well, enter the sever IP and control port, which is typically 6608, the
save by end.

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The main process of CMS Server quick reporting is as Figure3-10 below.
Figure 3-10
Step 5: Enter the system menu –peripheral –wireless broadband, which is with wireless
settings inside.
A: wireless 3G settings
Please pay attention to the supporting type of network during wireless 3G setting: WCDMA,
EVDO, and TD-SCDMA. Also note the access point and the center number, The user name is in
default in domestic which is basically not needed to modify, however there is also in some
domestic places the 3G card needs to be entered by user name and password, and some foreign
operators will need to enter user name and password as well, the access point and the center
number will need to be modified too, which is required to input relevant information according to
the local network data. You can press INFO key to query whether dialing is successful or not after
setting.
C: local IP settings
Local IP setting is the setting after the RJ45 port
access the network cable, set the local IP and central
server number to make it be linked from local area