Dahua DHI-KTA01 User manual

Analog 4-Wire Video Intercom
Quick Start Guide
V1.0.1

Foreword I
Foreword
General
This document mainly introduces structure, installation and wiring of the analog 4-wire video
intercom.
Device Upgrade
Do not cut off power supply during device upgrade. Power supply can be cut off only after the
device has completed upgrade and has rebooted.
Safety Instructions
The following categorized signal words with defined meaning might appear in the Manual.
Signal Words
Meaning
Indicates a potential risk which, if not avoided, could result in property
damage, data loss, lower performance, or unpredictable result.
Note
Provides additional information as the emphasis and supplement to
the text.
Revision History
No.
Version
Revision Content
Release Date
1
V1.0.0
First release
February 2019
Privacy Protection Notice
As the device user or data controller, you might collect personal data of others, such as face,
fingerprints, car plate number, Email address, phone number, GPS and so on. You need to be
in compliance with the local privacy protection laws and regulations to protect the legitimate
rights and interests of other people by implementing measures, including but not limited to:
providing clear and visible identification to inform data subject the existence of surveillance
area and providing related contact.
About the Guide
The Guide is for reference only. If there is inconsistency between the Guide and the actual
product, the actual product shall prevail.
We are not liable for any loss caused by the operations that do not comply with the Guide.
The Guide would be updated according to the latest laws and regulations of related
regions. For detailed information, see the paper User's Manual, CD-ROM, QR code or our

Foreword II
official website. If there is inconsistency between paper User's Manual and the electronic
version, the electronic version shall prevail.
All the designs and software are subject to change without prior written notice. The product
updates might cause some differences between the actual product and the Guide. Please
contact the customer service for the latest program and supplementary documentation.
There still might be deviation in technical data, functions and operations description, or
errors in print. If there is any doubt or dispute, please refer to our final explanation.
Upgrade the reader software or try other mainstream reader software if the Guide (in PDF
format) cannot be opened.
All trademarks, registered trademarks and the company names in the Guide are the
properties of their respective owners.
Please visit our website, contact the supplier or customer service if there is any problem
occurred when using the device.
If there is any uncertainty or controversy, please refer to our final explanation.

Important Safeguards and Warnings III
Important Safeguards and Warnings
The following description is the correct application method of the device. Please read the Guide
carefully before use, in order to prevent danger and property loss. Strictly conform to the Guide
during application and keep it properly after reading.
Operating Requirement
Do not place and install the device in an area exposed to direct sunlight or near heat
generating device.
Do not install the device in a humid, dusty or fuliginous area.
Please keep its horizontal installation, or install it at stable places, and prevent it from
falling.
Do not drip or splash liquids onto the device; don’t put on the device anything filled with
liquids, in order to prevent liquids from flowing into the device.
Install the device at well-ventilated places; don’t block its ventilation opening.
Use the device only within rated input and output range.
Do not dismantle the device arbitrarily.
The device shall be used with screened network cables.
Power Requirement
The product shall use electric wires (power wires) recommended by this area, which shall
be used within its rated specification!
Please use power supply that meets SELV (safety extra low voltage) requirements, and
supply power with rated voltage that conforms to Limited Power Source in IEC60950-1. For
specific power supply requirements, please refer to device labels.
Appliance coupler is a disconnecting device. During normal use, please keep an angle that
facilitates operation.

Table of Contents IV
Table of Contents
Foreword .................................................................................................................................................. I
Important Safeguards and Warnings .................................................................................................. III
1 Structure................................................................................................................................................. 1
1.1 Introduction.................................................................................................................................... 1
1.2 Feature .......................................................................................................................................... 1
1.3 Appearance.................................................................................................................................... 2
1.4 Front Panel.................................................................................................................................... 2
1.5 Rear Panel..................................................................................................................................... 3
2 Installation and Wiring.......................................................................................................................... 5
2.1 Installation...................................................................................................................................... 5
2.1.1 Video Intercom Installation................................................................................................. 5
2.1.2 Installation of the Voice Intercom ....................................................................................... 6
2.2 Wiring Preparation......................................................................................................................... 7
2.2.1 Port Connection Rule ......................................................................................................... 7
2.2.2 Cord Specification............................................................................................................... 8
2.3 Wiring............................................................................................................................................. 8

Structure 1
1 Structure
1.1 Introduction
The analog 4-wire video intercom consists of a voice intercom and a video intercom. It is
applicable to buildings (for example residential buildings) for people to do voice communication
and video communication. The voice intercom is installed outdoors and video intercom is
installed indoors.
1.2 Feature
Video intercom
Real-time video/voice communication
Can be connected to three voice intercoms
Can be connected to cameras (CVBS)
Plug to use
Voice intercom
Real-time voice communication
With self-adaptive IR fill light
Sends phone calls to video intercoms
With built-in camera (720×576@50I)

Structure 2
1.3 Appearance
AppearanceFigure 1-1
1.4 Front Panel
Front panelFigure 1-2
Front panel descriptionTable 1-1
No.
Icon
Description
1
During video/voice communication, press the button, the volume of the
speaker will be decreased.
2
During video/voice communication, press the button, the volume of the
speaker will be increased.
3
If you hear the video intercom ringing, press the button, and then you

can do voice communication with the person at the voice intercom.
Press the button twice quickly, and you can hang up when someone is

calling at the voice intercom.
4
If you hear the video intercom ringing, press the button, and then you


Structure 3
No.
Icon
Description
can see the person at the voice intercom and talk to him/her.
Press the button, and you can view real-time video of one voice

intercom; press the button again, and you can view video of the second
intercom; press the button for the third time, and you can view video of
the analog camera.
5
If you hear the video intercom ringing, press the button, and the door near
which the voice intercom is installed will be opened.
6
–
LCD screen.
7
Power indicator.
8
Silent indicator. During communication, press –button until the silent
indicator turns off, the video intercom will be silent.
9
–
Microphone.
10
–
Microphone.
11
–
Built-in camera.
12
–
Call button.
13
–
Speaker.
14
–
Water outlet. Liquid in the speaker can flow away through the outlet.
1.5 Rear Panel
Rear panelFigure 1-3
Real panel descriptionTable 1-2
No.
Description
1
From left to right: Power_1, VIDEO_1,AUDIO_1, and GND_1.
2
From left to right: Power_3, VIDEO_3,AUDIO_3, and GND_3.
3
From left to right: CAM_IN and GND.
4
Speaker.
5
Video intercom hanging slot.

Structure 4
No.
Description
6
Video intercom hanging slot.
7
POWER_IN and GND.
8
From left to right: Power_4, VIDEO_4,AUDIO_4, and GND_4.
9
From left to right: Power_2, VIDEO_2,AUDIO_2, and GND_2.
10
Voice intercom hanging slot.
11
Wires.

Installation and Wiring 5
2 Installation and Wiring
2.1 Installation
2.1.1 Video Intercom Installation
You need to fix the bracket on the wall by screws, and then hang the video intercom on the
bracket. See Figure 2-1. Video intercom installationFigure 2-1

Installation and Wiring 6
BracketFigure 2-2
2.1.2 Installation of the Voice Intercom
You can install the voice intercom bracket on the wall, and then hang the voice intercom on the
bracket; you can also install the voice intercom cover on the wall, and then hang the voice
intercom on the cover. See Figure 2-3 and Figure 2-4.
Figure 2-3

Installation and Wiring 7
Figure 2-4
2.2 Wiring Preparation
Before wiring, you need to know port connection rules and cord specifications.
2.2.1 Port Connection Rule
Figure 2-5
4-wire portAof a video intercom can be connected to 4-wire port C of another video
intercom to do data communication;
4-wire port B of a video intercom can be connected to 4-wire port D of another video
intercom to do data communication;
4-wire portAof a video intercom cannot be connected to 4-wire port B or D of another
video intercom to do data communication;

Installation and Wiring 8
4-wire port C of a video intercom cannot be connected to 4-wire port B or D of another
video intercom to do data communication;
2.2.2 Cord Specification
Depending on the distance between the voice intercom and video intercom, you need to select
RVV4 cords of deferent specifications. See Table 2-1.
Cord specificationTable 2-1
Transmission distance (TD)
RVV4 cord specification
TD≤10m
RVV4×0.2mm²
10m<TD≤30m
RVV4×0.5mm²
30m<TD≤50m
RVV4×0.75mm²
If the distance between the voice intercom and video intercom is farther than 50m, please use
coaxial cables.
2.3 Wiring
Do not pull the cords violently; otherwise the cords might be broken.
During wiring, wrap the cord joints with insulated rubber tape; otherwise short circuit might
occur.
At most 2 voice intercoms and 3 video intercoms can be wired in one communication system.

Installation and Wiring 9
2.3.1 One Voice Intercom and One Video Intercom
WringFigure 2-6

Installation and Wiring 10
2.3.2 Three Voice Intercoms and One Video Intercom
WringFigure 2-7

Installation and Wiring 11
2.3.3 Two Voice Intercoms and Three Video Intercoms
WringFigure 2-8
The recommended analog cameras (CVBS) are HAC 1230 series.