Dahua NVR2104-S2 User manual

Mini 1U Series NVR
Quick Start Guide
Version 1.1.1

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Welcome
Thank you for purchasing our NVR!
This quick start guide will help you become familiar with our NVR in a very short time.
Before installation and operation, please read the following safeguard and warning carefully!
Important Safeguard and Warning
All installation and operation here should conform to your local electrical safety codes.
We assume no liability or responsibility for all the fires or electrical shock caused by
improper handling or installation.
We are not liable for any problems caused by unauthorized modifications or attempted repair.
Improper battery use may result in fire, explosion, or personal injury!
When replace the battery, please make sure you are using the same model!
Note: All the installation and operations here should conform to your local
electric safety rules.
1. Check Unpacked NVR
When you receive the NVR from the forwarding agent, please check whether there is any visible
damage. The protective materials used for the package of the NVR can protect most accidental
clashes during transportation. Then you can open the box to check the accessories.
Please check the items in accordance with the list. (Remote control is optional). Finally you can
remove the protective film of the NVR.
2. About Front Panel and Rear Panel
The model number in the stick on the bottom of NVR is very important; please check according
to your purchase order.
The label in the rear panel is very important too. Usually we need you to represent the serial
number when we provide the service after sales.
3. HDD Installation
This series NVR has only one SATA HDD. Please use HDD of 7200rpm or higher.
You can refer to the User’s Manual for recommended HDD brand.
Please follow the instructions below to install hard disk.
All figures listed here are for reference only.
1. Loosen the screws of the
rear panel and side panel.
2. Fix four screws in the HDD
(Turn just three rounds).
3. Place the HDD in accordance with
the four holes in the bottom.

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Important：
Please turn off the power before you replace the HDD.
4. Front Panel
The front panel is shown as in Figure 1.
Figure 1
Please refer to the following sheet for detailed information.
Icon
Name
Function
NET
Network status
indicator light
The red light becomes on when the network
connection is abnormal.
PWR
Power indicator
light
The red light becomes on when the power
connection is OK.
HDD
HDD status
indictor light
The red light becomes on when HDD is
abnormal.
IR
Remote control
receiver
It is to receive signal from the remote control.
5. Rear Panel
4. Turn the device upside down
and then turn the screws in
firmly.
in the chassis.
5. Fix the HDD firmly.
6. Connect the HDD cable and
power cable.
7. Put the cover in accordance
with the clip and then place the
upper cover back.
8. Secure the screws in the
rear panel and the side panel.

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The rear panel is shown as in Figure 2 (Picture for reference only).
Figure 2
Please refer to the following sheet for detailed information.
Port Name
Connection
Function
USB2.0 port
USB2.0 port. Connect to mouse, USB storage
device, USB burner and etc.
Network port
10M/100Mbps self-adaptive Ethernet port.
Connect to the network cable.
HDMI
High Definition
Media Interface
High definition audio and video signal output port.
It transmits uncompressed high definition video
and multiple-channel data to the HDMI port of the
display device. HDMI version is 1.4.
VGA
VGA video
output port
VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
GND
Ground end
Power input port
Input DC 12V/2A.
MIC IN
Audio input port
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
MIC OUT
Audio output
port
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video playback.
6. Local Login
After system booted up, default video display is in multiple-window mode.
Click Enter or left click mouse, you can see the login interface. See Figure 3.
System consists of three accounts:
Username: admin. Password: admin. (administrator, local and network)
Username: 888888. Password: 888888. (administrator, local only)
Username: default. Password: default(hidden user)
Note:
For security reason, please modify password after you first login.
Within 30 minutes, three times login failure will result in system alarm and five times login failure
will result in account lock!

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Figure 3
7. Smart Add
When the network camera(s) and the NVR are in the same router or switch, you can use smart
add function to add all network cameras to the NVR at the same time.
There are two ways for you to go to the smart add interface. From the startup wizard, click Smart
add button. Or on the preview interface, right click mouse and then select Smart add. See Figure
4.
Figure 4
Please refer to the user’s manual for detailed information.
8. Web
Open IE and input NVR address in the address column. For example, if your NVR IP is
10.10.3.16, then please input http:// 10.10.3.16 in IE address column.
System pops up warning information to ask you whether install Web plug-in or not. Please click
Install button.
After installation, the interface is shown as below. See Figure 5.
Please input your user name and password.
Default factory name is admin and password is admin.
Note: For security reasons, please modify your password after you first login.

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Figure 5
Note
This quick start guide is for reference only. Slight difference may be found in the user
interface.
All the designs and software here are subject to change without prior written notice.
All trademarks and registered trademarks mentioned are the properties of their
respective owners.
If there is any uncertainty or controversy, please refer to the final explanation of us.
Please visit our website or contact your local service engineer for more information.