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Hardware Manual
VDH-DXN578A
VDH-DXN578C
2017 MAR V1.0

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Table of Contents
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Summary of Contents for Vacron VDH-DXN578A

  • Page 1 Hardware Manual VDH-DXN578A VDH-DXN578C 2017 MAR V1.0...
  • Page 2: Table Of Contents

    VDH-DXN578A / VDH-DXN578C Hardware Manual Contents CAUTION ..............................1 Introduction ............................1 Product Overview ........................1 Main functions ..........................2 Unpacking .............................. 3 Accessories ........................... 3 Unpacking ............................. 3 Installation ............................. 3 Product appearance ..........................4 Front Panel ............................ 4 Rear Panel .............................
  • Page 3: Caution

    VDH-DXN578A / VDH-DXN578C Hardware Manual A. CAUTION To our dear customer! Thank you for using our products. If you encounter any problems when using, please do not hesitate to contact our resellers. We will provide excellent services to you via our resellers.
  • Page 4: Main Functions

    VDH-DXN578A / VDH-DXN578C Hardware Manual makes the system more stable. Using standard H.264 video compression and G.711A audio compression technology achieves audio and video functions such as high-quality, low bit rate and single-frame playback. Using TCP / IP and other network technologies, it provides strong network data transmission capacity and remote control capabilities.
  • Page 5: Unpacking

    VDH-DXN578A / VDH-DXN578C Hardware Manual C. Unpacking Accessories ★ Power cable and adaptor AC100-240V/DC12V 3A x 1PCS ★ hard disk screws x 8PCS ★ Removable hard disk tray screws x 4PCS ★ Mouse x 1pcs Unpacking When you receive the product, check first whether the packing of the equipment has obvious damage.
  • Page 6: Product Appearance

    VDH-DXN578A / VDH-DXN578C Hardware Manual E. Product appearance Front Panel POWER Indicator POWER Indicator REC Indicator DVR REC Indicator LAN Indicator LAN Indicator Rear Panel 8 channel Video Input Audio Output VGA output HD Digital Output 4 channel Audio Input...
  • Page 7: Installation Illustration

    VDH-DXN578A / VDH-DXN578C Hardware Manual Installation Illustration Video input  Input interface is BNC type; input signal is PAL/NTSC BNC(1.0VP-P,75Ω) The Video signal should comply with national standards, a higher signal to noise ratio, low distortion, low-interference; clear images, no deformation, nature color and appropriate brightness.
  • Page 8: Audio Inputs

    VDH-DXN578A / VDH-DXN578C Hardware Manual equipment; Regular degaussing will help to maintain the normal operation of the monitor. Keep away from equipment with strong electromagnetic interference. Using TV as video output device is an unreliable alternative. It is also required to minimize the time of use and strictly control the power, the interference caused by neighboring devices.
  • Page 9: Q & A And Maintenance

    VDH-DXN578A / VDH-DXN578C Hardware Manual F. Q & A and Maintenance 1. Q & A Q 1. After power on, DVR doesn’t work. A: The possible causes: 1. Wrong power input 2. bad connection of power cable 3. Power error 4.
  • Page 10 VDH-DXN578A / VDH-DXN578C Hardware Manual B/W image. 2. Impedance mismatch between digital video recorder and monitor. 3. Video transmission distance is too far or video transmission line attenuation is too much 4. Wrong settings of colors, brightness in the DVR Q 6.
  • Page 11 VDH-DXN578A / VDH-DXN578C Hardware Manual A : The possible causes: 1. PTZ error 2. Wrong settings, cabling and installation for the PTZ 3. Wrong wiring 4. Wrong PTZ settings in the DVR side 5. Protocols mismatch between PTZ and DVR 6.
  • Page 12 VDH-DXN578A / VDH-DXN578C Hardware Manual 1. Networking not stable 2. IP conflict 3. MAC conflict 4. LAN card error (PC/DVR) Q 16. USB backup error A : The possible causes: 1. CPU too busy to back up the data! Stop recording then backup! 2.
  • Page 13: Maintenance

    VDH-DXN578A / VDH-DXN578C Hardware Manual 2. Maintenance Damped dust on the PCB board will cause a short circuit and will do  something wrong to the DVR or damage it. For long-term stability of the DVR, regularly brush the circuit boards, connectors, chassis to remove dust.
  • Page 14: Appendix : Specifications

    VDH-DXN578A / VDH-DXN578C Hardware Manual G. Appendix : Specifications 8CH AHD H.264 DVR Video Input 8CH Input / BNC(1Vp-p 75Ω) Output VGA (Max. 1920x1080) High HD: Max. 1920x1080 Definition(HD) Audio Input 4CH Input (W/ 2-Way Audio) Output 1CH Output Audio Compression G.711A...
  • Page 15 VDH-DXN578A / VDH-DXN578C Hardware Manual simultaneous recording File System Stable and reliable self-developed file system S.M.A.R.T HDD error detecting User Menu Display GUI controlled by VGA & HD OUT simultaneously Interface Input Method Front Panel/ Mouse Serial PTZ & Controller...
  • Page 16 Manufacturer : FUHO TECHOLOGY CO., LTD. No. 30 Lane 726 Sec. 3 Jinma Rd., Changhua City Phone: 886-4-751- 2881 Fax: 886-4-751-6631...

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