Prestel HD-PTZ420HSU3 1080P HD PTZ Camera

Product Information

• The Prestel HD-PTZ420HSU3 is a 1080P HD PTZ Camera. It is a high-quality camera designed for professional use. The camera offers advanced features and specifications to capture high-definition videos and provide smooth pan, tilt, and zoom functionality. The camera is equipped with an interface and switch for easy control and installation. It also comes with a remote control for convenient operation.
• Important Notice: All contents of this manual are copyrighted by the corporation. Any cloning, copying, or translation of the manual without permission is strictly prohibited. The product specifications and information mentioned in the manual are subject to change without prior notice.
• FCC NOTICE: This product complies with Part 15 of the FCC Rules. The device is designed to avoid harmful interference and can accept any interference received, including interference that may cause undesired operation.
• Note: Class A ITE refers to a category of equipment that satisfies class A ITE limits but not class B ITE limits. Operating this equipment in a residential environment may cause radio interference.
• European Community Compliance Statement: This product complies with the requirements set out in the Council Directives on Electromagnetic Compatibility Directive 2014/30/EU.

Product Usage Instructions

Safety Precautions:

• During installation and use, strictly observe all electrical safety regulations of the country and region.
• Use only the power adapter provided with the product.
• Do not connect multiple devices to the same power adapter to avoid overheating or fire hazards.
• Avoid manually rotating the camera head to prevent mechanical failure.
• When installing on a wall or ceiling, ensure secure placement and check for obstacles within the rotation range.
• Turn off the power before installation completion and ensure proper ventilation around the device to prevent heat build-up.
• If the device emits smoke, smells, or makes unusual noises, immediately turn off the power, unplug the cord, and contact the dealer.
• The camera is not waterproof, so keep it dry.
• Do not attempt to disassemble the product as it has no user-serviceable parts. Any damage caused by user disassembly is not covered by the warranty.
• Quick Start: Refer to the provided user manual for detailed instructions on camera installation and setup.
• Video Format: The camera supports 1080P HD video format.
• About Product: The user manual provides comprehensive information about the product, including features, specifications, interface and switch details, dimension, installation, remote control usage, GUI settings, WEB settings, troubleshooting, and more. Refer to the respective sections in the manual for further instructions.

Copyright
All contents of this manual, whose copyright belongs to our corporation, cannot be cloned, copied or translated without the permission of our corporation.

Notice
Product specifications and information which were referred to in this document are for reference only. We may change, delete, or update any content at any time and without prior notice.

FCC NOTICE (Class A)

This product complies with Part 15 of the FCC Rules. The operation is subject to the following two conditions:

1. this device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

• This product has been tested and found to comply with the limits for a Class A 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 equipment 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 equipment 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/television technician for help.

Class A ITE
Class A ITE is a category of all other ITE which satisfies the class A ITE limits but not the class B ITE limits. Such equipment should not be restricted in its sale but the following warning shall be included in the instructions for use:

Warning
Operating this equipment in a residential environment may cause radio interference.

European Community Compliance Statement (Class A)
This product is herewith confirmed to comply with the requirements set out in the Council Directives on the Approximation of the laws of the Member States relating to Electromagnetic Compatibility Directive 2014/30/EU.

Safety Precautions

• During the installation and use of the equipment, all electrical safety regulations of the country and region of use must be strictly observed.
• Please use the power adapter that comes standard with this product.
• Please do not connect multiple devices to the same power adapter (exceeding the capacity of the adapter may generate excessive heat or cause a fire).
• Do not rotate head of the camera by hand, otherwise it may cause mechanical failure.
• When installing this product on a wall or ceiling, secure the device securely. When installing, make sure that there are no obstacles within the rotation range of the gimbal; do not

Packing List

turn on the power until all installations are completed.

• To avoid heat build-up, keep ventilation around the device smooth.
• If the device emits smoke, smells, or makes noises, please turn off the power immediately and unplug the power cord, and contact the dealer in time.
• This device is not waterproof, please keep the device dry.
• This product has no user serviceable parts, damage caused by disassembly by the user is not covered by the warranty.

Notice
Specific frequencies of electromagnetic field may affect the image of the camera!

Quick Start

1. Please check connections are correct before starting.

2. Connect the power adapter to the power connector on the rear panel of the camera. The power indicator on the front panel of the camera is on.

3. After the camera is powered on, it starts to initialize, right up to the limit position, and then both horizontal and vertical go to the middle position, the motor stops running, and the initialization is completed.
   (Note: If preset 0 is saved, PTZ will be move to preset 0)

4. Video Format

Video Format

0| 1080P60| 8| –
1| 1080P50| 9| –
2| –| A| –
3| –| B| –
4| 720P60| C| –
5| 720P50| D| –
6| 1080P30| E| –
7| 1080P25| F| –

About Product

• Features

  • 60.7° Wide-angle Lens + 20x Optical Zoom
  • 60.7° high-quality ultra-wide-angle lens, optical zoom up to 20x, support 16x digital zoom.

• 1080P Full HD
  Using 1/2.8-inch high-quality HD CMOS sensor with effective 2.07 million pixels, it can achieve high-quality images with a maximum resolution of 1920×1080.

• New ISP Image Processing Algorithm
  The new generation of ISP image processing algorithm provides more complete white balance and automatic exposure functions, which significantly improves the image output performance of the camera, and the imaging effect is also better. Widely used in education recording and broadcasting, distance education, video conferencing, live broadcasting, broadcasting and other industries.

• Leading Auto Focus Technology
  Using advanced focusing algorithm, the lens can focus quickly, accurately and stably.

• Low Light
  The application of 2D and 3D noise reduction algorithm greatly reduces image noise. Even under the condition of ultra-low illumination, it still keep the picture clean and clear, and the SNR of image is as high as 55dB.

• Multiple Interfaces
  Support HDMI and 3G-SDI interface, effective transmission distance of 3G-SDI is up to 150 meters (1080P30). HDMI, 3G-SDI, LAN can output three HD digital signals at the same time.

• Remote Control
  Through the RS232 and RS485 serial ports, the camera can be controlled remotely.

Specifications

Camera

Signal System| 1080P60, 1080P50, 1080P30, 1080P25, 720P60, 720P50
Sensor| 1/2.8 inch, CMOS,

• Effective pixels: 2.07M

Scanning Mode| Progressive
Lens| 20x, f = 4.42mm ~ 88.5mm, F1.8 ~ F2.8
Digital Zoom| 16x
Minimum Illumination| 0.5 Lux @ (F1.8, AGC ON)
Shutter| 1/30s ~ 1/10000s
White Balance| Auto, VAR, Manual, One Push, Indoor, Outdoor
Backlight Compensation| Support
Digital Noise Reduction| 2D & 3D Digital Noise Reduction
SNR| ≥55dB
Horizontal FOV| 60.7° ~ 3.36°
Vertical FOV| 34.1° ~ 1.89°
Pan Angle| ±170°
---|---
Tilt Angle| -30° ~ +90°
Pan Speed| 1.7° ~ 100°/s
Tilt Speed| 1.7° ~ 69.9°/s
Image Flip| Support
Image Freeze| Support
Preset Position| 255
Preset Accuracy| 0.1°
Audio Features
Microphone Array| Built-in dual microphones, 100Hz to 16KHz frequency response
Audio Input| Support LINE IN audio input
Audio Output| Support LINE OUT, HDMI, USB and other audio output
USB Features
Operate System| Windows 7/8/10, Mac OS X, Linux, Android
Color System / Compression| YUY2/MJPEG/H.264
USB Audio| Support
USB Video Protocol| UVC 1.1/UVC 1.5
UVC PTZ Control| Support
Network Features
Video

Compression

| H.264/H.265
Video Stream| First Stream, Second Stream
First Stream Resolution| 1920×1080, 1280×720, 1024×576, 960×540, 640×480, 640×360
Second Stream Resolution| 1280×720, 1024×576, 720×480, 640×360, 480×272, 320×240, 320×180
Video Bit Rate| 32Kbps ~ 20480Kbps
Bit Rate Control| CBR, VBR
Frame Rate| 1fps ~ 60fps
Audio Compression| AAC
Audio Bit Rate| 96Kbps, 128Kbps, 256Kbps
---|---
Protocols| TCP/IP, HTTP, RTSP, ONVIF, RTMP/RTMPS, DHCP, SRT, Multicast, etc.
Interfaces
LINE IN

Interface

| 1 x LINE IN: 3.5mm Audio Interface
LINE OUT Interface| 1 x LINE OUT: 3.5mm Audio Interface
Communication Interface| 1 x RS485: 2pin phoenix port, Max Distance: 1200m, Protocol: VISCA/ Pelco-D/Pelco- P
1 x RS232 IN: 8pin Min DIN, Max Distance: 30m, Protocol: VISCA/Pelco-D/ Pelco- P
1 x RS232 OUT: 8pin Min DIN, Max Distance: 30m, Protocol: VISCA network use only
Network Interface| 1 x LAN: 10M/100M Adaptive Ethernet Port
HDMI Interface| 1 x HDMI: Version 1.3
3G-SDI Interface| 1 x 3G-SDI: BNC type, 800mVp-p, 75Ω. Along to SMPTE 424M standard
USB Interface| 1 x USB 3.0: Type A
Power Jack| JEITA type (DC IN 12V)
General Specifications
Input Voltage| DC 12V
Input Current| Max. 1.2A
Operating Temperature| 0°C ~ 40°C
Storage Temperature| -40°C ~ 60°C
Power Consumption| Max. 15W
Dimension| 169mm x 141.5mm x 176mm
Net Weight| About 1.5Kg

Note
Product specifications and parameters are subject to change without notice.

Interface and Switch

Dimension

** Installation**

Note
The installation diagram is for reference only. The brackets and screws are not standard. For packing accessories, please refer to the actual product.

Remote Control

Key Description

__**1. Standby Key
__Press to enter standby mode
**2. Number Key
__Press to set preset or call preset
** *_3. Key_
Use with other keys
** **4. PRESET Key
Set preset: [PRESET] + Number key (0-9)
** **5. HOME Key
Confirm selection or press to turn PTZ back to the middle position

• Return Key
  Press to return to the previous menu

• ZOOM Key

  • SLOW: Zoom In [+] or Zoom Out [-] slowly
  • FAST: Zoom In [+] or Zoom Out [-] fast

• L/R SET Key

  • Standard: Simultaneously press L/R SET + 1
  • Reverse: Simultaneously press L/R SET + 2

• FOCUS Key
  Auto/Manual/Far/Near focus

• CAMERA SELECT Key
  Press to select and control the camera

• Key

  Use with other keys

• IR Remote Control Key

  • [*]+[＃]+[F1]: Address 1
  • [*]+[＃]+[F2]: Address 2
  • [*]+[＃]+[F3]: Address 3
  • [*]+[＃]+[F4]: Address 4

• RESET Key
  Clear preset position: [RESET] + Number key (0-9)

• PTZ Control Key
  PTZ moved according to the arrow indicates

• MENU Key
  Press to enter or exit OSD Menu

• BACKLIGHT Key
  Backlight ON/OFF: Press repeatedly to enable or disable the backlight compensation.

• NOTE:

  • Effective only in auto exposure mode.
  • If there is a light behind the subject, the subject will become dark, press the backlight key to enable the backlight compensation. Press again to disable this function.

• P/T RST (PTZ Reset) Key
  PTZ starts to self-test after pressed it

Shortcut Set

• [*]+[＃]+[1]: OSD menu default English
• [*]+[＃]+[3]: OSD menu default Chinese
• [*]+[＃]+[4]: Display current IP address
• [*]+[＃]+[6]: Quickly recover the default
• [*]+[＃]+[8]: View the camera version
• [*]+[＃]+[9]: Quickly set up inversion
• [*]+[＃]+[MANUAL]: Restore default IP address

GUI Settings

Menu
Press [MENU] key to display the main menu on the normal screen, using arrow key to move the cursor to the item to be set. Press the [HOME] key to enter the corresponding sub-menu.

• ENG/中文: ENG, 中文.
• Video Format: 1080P60, 1080P50, 1080P30, 1080P25, 720P60, 720P50.
• Style: Default, Cold, Warm, Clear, Soft, User1, User2, User3.

Exposure
Move the main menu cursor to [Exposure], and press [HOME] key enter the exposure page, as shown in the following figure.

• AE: Auto, Manual, Iris Priority, Shutter Priority, Bright Priority.
• Flicker: Off, 50Hz, 60Hz (Effective only in Auto, Iris Priority, Bright Priority mode).
• Expcomp Mode: On, Off (Effective only in Auto, Iris Priority mode).
• Expmode: -7~7 (Effective only in Expcomp Mode to On).
• Backlight: On, Off (Effective only in Auto, Iris Priority mode).
• Bright: 0~99 (Effective only in Bright Priority mode).
• Gain Limit: 0~32 (Effective only in Auto, Iris Priority, Bright Priority mode).
• Iris: F1.8, F2.0, F2.4, F2.8, F3.4, F4.0, F4.8, F5.6, F6.8, F8.0, F9.6, F11, Off (Effective only in Manual, Iris Priority mode).
• Shutter : 1/30, 1/50, 1/60, 1/90, 1/100, 1/125, 1/180, 1/250, 1/350, 1/500, 1/725, 1/1000, 1/1500, 1/2000, 1/3000, 1/4000, 1/6000, 1/10000 (Effective only in Manual, Shutter Priority mode).
• Gain: 0~31 (Effective only in Manual, Shutter Priority mode).
• DRC Mode : Manual, Auto, Off.
• DRC: 0~14 (Effective only in DRC Mode to Manual).

Color
Move the main menu cursor to [Color], and press [HOME] key enter the color page, as shown in the following figure.

• AWB: Auto, VAR, Manual, One Push, Indoor, Outdoor.
• Sens: Low, Middle, High.
• R-Gain : 0~1023 (Effective only in Manual, One Push mode).
• B-Gain: 0~1023 (Effective only in Manual, One Push mode).
• R-Tuning: -128~128 (Effective only in Auto, Temp, One Push mode).
• B-Tuning: -128~128 (Effective only in Auto, Temp, One Push mode).
• Hue: 0~99.
• Saturation: 0~200.
• Temp: 2000 ~ 8500 (Effective only in Temp mode).

Image
Move the main menu cursor to [Image], and press [HOME] key enter the image page, as shown in the following figure.

• Brightness: 0~99.
• Contrast: 0~99.
• Sharpness Mode: Manual, Auto.
• Sharpness: 0~25 (Effective only in Sharpness Mode to Manual).
• Gamma Mode : Manual, Auto.
• Gamma: Ext, 0.45, 0.5, 0.54, 0.56, 0.63 (Effective only in Gamma Mode to Manual).
• NR-2D Mode: Manual, Auto.
• NR-2D: 0~99 (Effective only in NR-2D Mode to Manual).
• NR-3D Mod e: Manual, Auto.
• NR-3D: 0~15 (Effective only in NR-3D Mode to Manual).

Display
Move the main menu cursor to [Display], and press [HOME] key enter the display page, as shown in the following figure.

• OSD-Dir : 0, 90, 180, 270.
• HDMI Mode: HDMI, DVI.
• SDI Mode : Level A, Level B.
• Flip-H: On, Off.
• Flip-V: On, Off.
• Freeze: On, Off.

P/T/Z Setting
Move the main menu cursor to [P/T/Z Setting], and press [HOME] key enter the P/T/Z setting page, as shown in the following figure.

• AF-Sense : High, Normal, Low.
• AF-Zone: Front, Top, Center, Bottom.
• F ocus Limit : On, Off.
• Near Focus Limit : 1M, 1.5M, 2M, 3M, 4M, 5M, 6M, 8M, 10M, 15M, 20M (Effective only in Focus Limit to On).
• Far Focus Limit : 15M, 20M, Infinity (Effective only in Focus Limit to On).
• LR Mode: STD, REV.
• Motion Sync: On, Off.
• Horizontal Speed : 0~23.
• Vertical Speed: 0~19.
• Zoom Speed: 0~7.
• PTbyZoom : On, Off.

Setting
Move the main menu cursor to [Setting], and press [HOME] key enter the setting page, as shown in the following figure.

• Visca Addr: 1~7 (Effective only in VISCA protocol).
• Visca Mode: Serial, Paral.
• Baud Rate : 2400, 4800, 9600, 19200, 38400, 57600, 115200.
• DHCP : On, Off.
• IP Addr: 192.168.100.88.
• MAC: d4e08e548d13.

Version
Move the main menu cursor to [Version], and press [HOME] key enter the version page, as shown in the following figure.

• Main: Display the version number of the main program of the camera.
• AF: Display the camera autofocus version number. Date: Display the burning date of the main program version of the camera.
• Code: Display the camera code.

Default
Move the main menu cursor to [Default], press [HOME] key enter default page, as shown in the following figure.

Reset: Yes, No.

Note
GUI menu and parameters are subject to change without notice.

WEB Settings

Access Camera
Access http://192.168.100.88 to pop up the login window, then input username (default: admin) and password (default: admin). After login, it will show as below: Control Camera
All pages include two menu bars:
Real time monitoring: displaying video image Parameter setup: with function buttons.

A. Video Viewing Window
Video viewing window must be same as video resolution, the bigger the resolution is, the bigger the playing area is. Double click viewing window, will show full-screen, double click again, will return to initialized size.

Status bar in viewing window shown as below:

1. Video playback pause button: control real-time video pause, stop the last picture, click recoverable video again.
2. Audio control buttons: can adjust the volume or set silent mode.
3. Full screen switch button.

B. PTZ Setup

1. Pan and Tilt Control
   Up, Down, Left and Right arrows and the home button allow you to manually drive the camera to the desired position.

2. Zoom
   Zoom In and Zoom Out buttons allow for wide or narrow view of the space.

3. Focus
   Focus In and Focus Out buttons allow for fine manual focus adjustment if the camera has any problems auto focusing on the difficult object.

4. PTZ Speeds
   Pan speed can be set at any rate between 1 ~ 24, Tilt speed can be set at any rate between 1 ~ 20. Zoom and Focus speeds can be set at any rate between 1 ~

6. PTZ Presets

7. After manually setting up a shot that you would like to return to later, you can save presets for quick recall of these positions. Type a number between 0 and 254 into the Preset box. Click the “Set” button to save the current location with that preset number. Click the “Call” button to cause the camera to return to that position. This enables smooth, quick and convenient control without the need to manually drive the camera.

8. You can set up preset that user want as below. Method: Type preset number into the Preset box. Preset: Optional items: 0 ~ 254.

9. PTZ/OSD Dropdown
   From the dropdown menu, clicking the OSD option will open the on-screen display menu of the camera giving you control from within the IP interface.

C. Language Selection Click either “Chinese”, “English” or “Russian” to change the language of the webpage.

Video Settings

1. Video Format
   Support Dial Priority.

2. Low Latency Mode
   Turn On/Off low latency mode, the OSD function will not be enabled after it is turned on.

3. Encode Level
   Support baseline, mainprofile, highprofile and svc-t four levels.

4. Encode Protocol
   Support H.264 and H.265 protocols.

5. Resolution
   First stream support 1920×1080, 1280×720, 1024×576, 960×540, 640×480, 640×360. Second stream support 1280×720, 1024×576, 720×480, 640×360, 480×272, 320×240, 320×180; The bigger resolution is, the clearer the image will be, more network bandwidth will be taken.

6. Bit Rate
   The user can specify the bit rate. Generally speaking, the larger of the bit rate, the clearer of the image. However, the configuration of the bit rate needs to be combined with the network bandwidth. When the network bandwidth is narrow and the bit rate is configured larger, the video stream cannot be transmitted normally, and the visual effect is worse.

7. Frame Rate
   User can specify the size of the frame rate, generally, the frame rate greater, the image more smooth; Frame rate is smaller, the more sense of beating.

8. I Key Frame Interval
   Set interval between 2 I frame, the bigger interval is the response will be lower from viewing window.

9. Bit Rate Control

10. Code stream control way:

11. CBR (Constant Bit Rate): Video coder will be coding according to preset speed.

12. VBR (Variable Bit Rate): Video coder will adjust the speed based on preset speed to gain the best image quality.

13. Slice Split Enable
    Enable or disable slice split function.

14. Slice Size
    Set the size of slice.

Image Settings

1. Brightness
   Brightness of image: 0~99 (Default value is 50).

2. Saturation
   Saturation of image: 0~200 (Default value is 100).

3. Contrast
   Contrast of image: 0~99 (Default value is 50).

4. Sharpness
   Sharpness of image: 0~99 (Default value is 20).

5. Hue
   Hue of image: 0~99 (Default value is 50).

6. Flip
   Turn On/Off the Flip function.

7. Mirror
   Turn On/Off the Mirror function.

Audio Settings

1. Audio Switch
   Turn On/Off audio switch.

2. Audio Type
   Optional items: AAC.

3. Sample Rate
   Optional items: 32K, 48K.

4. Bit Rate
   Optional items: 96K, 128K, 256K.

5. Input Type
   Optional items: LINE IN, MIC.

6. Input Vol L
   The volume of the left channel.

7. Input Vol R
   The volume of the right channel.

System Settings

1. Reboot
   Click the “Reboot” button, system restart.

2. Username and Password
   The user can modify the password (letters and Numbers only).

Network Settings

• Lan Settings
• NTP Settings
• Port Settings

1. Lan Settings
   Default the IP address is 192.168.100.88, the MAC address cannot be modified.

2. NTP Settings
   Setting NTP Time Zone and Server Address. Turn On/Off Time Show, set the position of the Time Show. Turn On/Off Subtitle Display, set the Subtitle Content of the camera screen.

3. Port Settings

4. A. HTTP Port
   IP address identifies network device, the device can run multiple web applications, each network program using network port to transmit data, so data transmission to be carried out between the port and port. Port setting is to set up web server program using which port to transmit. When port mapping, need to be consistent with the port number (default port: 80).

5. B. RTSP Port
   The camera support RTSP protocol, use the VLC tools broadcast, default port:

6. 3. C. TCP Port
      Support TCP connection then control camera, default port: 5678.

   4. D. UDP Port
      Support UDP protocol, default port: 1259.

   5. E. Sony Visca
      Support Sony Visca, default value: 52381.

7. RTMP(S) Settings
   Turn On/Off first stream or second stream, setting the MRL of RTMP.

8. SRT Settings
   Turn On/Off SRT, Setting the SRT Port, SRT Encry and SRT Password.

9. RTSP Settings
   Turn On/Off RTSP Auth.

10. ONVIF Settings
    Turn On/Off ONVIF and ONVIF Auth.

Device Information

Download Upgrade Program
If you need the camera upgrade program, please contact the manufacturer.

Note
WEB interface and parameters are subject to change without notice.

Troubleshooting

Image
The monitor shows no image

1. Check that the camera power supply is connected, the voltage is normal, and the power indicator light is always on.
2. Turn off the power switch to check whether the camera is self-testing.
3. Check the cable of video platform and TV whether correct connection.

The video image displayed by the camera lens is jittery

1. Check whether the camera installed position be stabled.
2. Check whether have vibrating machinery or object near the camera.

• There is no video image in Browser
  IE browser does not support H5, you need to use VLC plug-in to view videos. Please access VLC website ( http://www.videolan.org/vlc ) download and install the 32-bit VLC media player, after it installed, access camera will have normal image display. Other mainstream browsers already support H5 and do not need to install the VLC plug-in.

• Unable to access camera through Browser

1. Using PC to access the network to test whether the network access can work properly, first of all, the network fault caused by the PC virus can be eliminated, until the PC and camera can communicate with each other Ping.
2. Disconnect the network, connect camera and PC separately, and reset the IP address of PC.
3. Check IP address, subnet mask, and gateway settings for camera.
4. Check whether the MAC address is conflicts.
5. Check whether the web port is modified. The default web port is 80.

• Forget the IP address or login password Please remember (The default IP address: 192.168.100.88; default user name: admin; default password: admin).

Control

Remote control cannot control

1. Check and replace the new battery for the remote controller.
2. Check whether the camera working mode is correct.
3. Check whether the address of remote control can match the camera.

Serial port cannot control

1. Check whether the camera protocol, address and baud rate such is the same.
2. Check whether the control line is connected well.

References

• Official download of VLC media player, the best Open Source player - VideoLAN

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