Dahua KTH01 Quick Start Manual

4-Wire Hybrid Indoor Monitor
Quick Start Guide
Foreword
This manual introduces the configurations on the webpage of 4-wire indoor monitor.
Read carefully before using the device, and keep the manual safe for future
reference.
Safety Instructions
The following signal words might appear in the manual.
Signal Words Meaning
Indicates a high potential hazard which, if not avoided, will
result in death or serious injury.
Indicates a medium or low potential hazard which, if not
avoided, could result in slight or moderate injury.
Indicates a potential risk which, if not avoided, could result
in property damage, data loss, reductions in performance, or
unpredictable results.
Provides methods to help you solve a problem or save time.
Provides additional information as a supplement to the text.
Revision History
Version Revision Content Release Time
V1.0.0 First release. October 2023
About the Manual
● The manual is for reference only. Slight differences might be found between the
manual and the product.
● We are not liable for losses incurred due to operating the product in ways that are
not in compliance with the manual.
● The manual will be updated according to the latest laws and regulations of
related jurisdictions. For detailed information, see the paper user's manual, use
our CD-ROM, scan the QR code or visit our official website. The manual is for
reference only. Slight differences might be found between the electronic version
and the paper version.
● All designs and software are subject to change without prior written notice.
Product updates might result in some differences appearing between the actual
product and the manual. Please contact customer service for the latest program
and supplementary documentation.
● There might be errors in the print or deviations in the description of the functions,
operations and technical data. If there is any doubt or dispute, we reserve the
right of final explanation.
● Upgrade the reader software or try other mainstream reader software if the
manual (in PDF format) cannot be opened.
● All trademarks, registered trademarks and company names in the manual are
V1.0.0
properties of their respective owners.
● Please visit our website, contact the supplier or customer service if any problems
occur while using the device.
● If there is any uncertainty or controversy, we reserve the right of final explanation.
Important Safeguard and Warnings
This section introduces content covering the proper handling of the device, hazard
prevention, and prevention of property damage. Read carefully before using the
device, and comply with the guidelines when using it.
Operation Requirements
● Check whether the power supply is correct before use.
● Do not unplug the power cord on the side of the device while the adapter is
powered on.
● Operate the device within the rated range of power input and output.
● Transport, use and store the device under allowed humidity and temperature
conditions.
● If the device is powered off for longer than a month, it should be placed in its
original package and sealed. Make sure to keep it away from moisture, and store it
under allowed humidity and temperature conditions.
● Do not drop or splash liquid onto the device, and make sure that there is no
object filled with liquid on the device to prevent liquid from flowing into it.
● Do not disassemble the device without professional instruction.
Installation Requirements
● Do not connect the power adapter to the device while the adapter is powered on.
● Strictly comply with the local electric safety code and standards. Make sure the
ambient voltage is stable and meets the power supply requirements of the
device.
● Do not connect the device to two or more kinds of power supplies, to avoid
damage to the device.
● Improper use of the battery might result in a fire or explosion.
● Personnel working at heights must take all necessary measures to ensure personal
safety including wearing a helmet and safety belts.
● Do not place the device in a place exposed to sunlight or near heat sources.
● Keep the device away from dampness, dust, and soot.
● Install the device on a stable surface to prevent it from falling.
● Install the device in a well-ventilated place, and do not block its ventilation.
● Use an adapter or cabinet power supply provided by the manufacturer.
● Use the power cords that are recommended for the region and conform to the
rated power specifications.
● The power supply must conform to the requirements of ES1 in IEC 62368-1
standard and be no higher than PS2. Please note that the power supply
requirements are subject to the device label.
● The device is a class I electrical appliance. Make sure that the power supply of the
device is connected to a power socket with protective earthing.
1
Components
There might be slight differences in the real panel among different models. But they
have the same function ports.
Figure 1-1 Components
Table 1-1 Components description
No. Description
1 RS-485 port.
2 Power port.
3 Alarm port.
4-wire port.
4
For details, see Figure 1-2.
5 Microphone.
6 Built-in camera.
7 Power indicator.
8 Call button.
9 Speaker.
10 VTO hanging slot.
Function port.
11
For details, see Figure 1-3.
Figure 1-2 4-wire port of VTH
Table 1-2 Port description
Port Description
G Connect to the ground line.
A Connect to the audio input/output cable.
V Connect to the video input cable.
P Connect to the power cable.
Figure 1-3 Function port of VTO
2
Wiring
2.1 Preparations
2.1.1 Port Connection Rules
Figure 2-1 Port connection rule
● Port A of an VTH can be connected to Port C of another VTH to do data
communication.
● Port B of an VTH can be connected to Port D of another VTH to do data
communication.
● Port A of an VTH cannot be connected to Port B or D of another VTH to do data
communication.
● Port C of an VTH cannot be connected to Port B or D of another VTH to do data
communication.
2.1.2 Cable Specification
Depending on the distance between the VTO and VTH, you need to select RVV4
cables of different specifications.
Table 2-1 Cable specification
Transmission Distance (TD) RVV4 Cable Specification
TD ≤10 m RVV4 × 0.3 mm²
TD ≤30 m RVV4 × 0.5 mm²
TD ≤50 m RVV4 × 0.75 mm²
● Do not pull the cables violently.
● During wiring, wrap the cable joints with insulated rubber tape to prevent short
circuit.
If the distance between the VTO and VTH is more than 50 m, use coaxial cables.