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Maglock for Inner Doors (2022) Print
December 2021
super1
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  • Magnetic locks (maglocks) were mostly installed for main building entrances and rarely for inner doors. The reason is that maglocks could be hard to install for inner doors which do not operate in the same convention as main building entrance doors. Main entrance doors push out to open. Inner doors pull in or slide to open. Nevertheless, there are variations as the implementation is situationally determined.
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  • We recently installed 2 maglocks in an upmarket apartment building in Auckland. Both are for inner doors. One pushes out to open, and one pushes in to open. One is a wooden door, and one is a glass door. The installation techniques are therefore different. Furthermore, human safety as a precaution was given extra consideration (instead of the norm).  The maglocks are controlled by either RFID cards or PIN entry or both for dual authenticity.
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  • Despite the technical challenges, Compucon New Zealand built them for the client for a price much lower than quoted by other installers. Besides, Compucon did it in a turkey manner, and was involved in the procedure of setting up the building’s database ready for tenants to use.
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    Using DiskPart to format ReFS Print
    November 2021
    Create a new partition in the free space on the disk using diskpart. Select the newly created volume, and use the filesystems command within diskpart to see if ReFS is an available option for the new volume.

    DISKPART> list disk
    DISKPART> select disk x
    DISKPART> create partition primary
    DISKPART> filesystems

    If ReFS is an available option:
    DISKPART> format fs=refs quick
    DISKPART> assign letter=x
     
    Hyper-V Server Driver Install / Update Print
    November 2021

    Hyper-V-Server (as with Windows Server Core) does not give you access to the GUI and that means that you cannot access Device Manager to manage and update device drivers. Instead device driver management has to be done via the command line.

    These are my notes on how to accomplish driver management tasks from the command line:

    List device drivers

    To list device drivers enter the following at the command prompt:

    pnputil /e

    Note: nothing will be listed if you have not manually installed any drivers from the C:\Compucon\Drivers folder yet.  Please go through each driver folder and install them manually. 

    Update a device driver

    The first task is to obtain the device driver (or updated device driver). Sadly there is no automatic way of doing this. So you will need to track down the device driver to use, visiting manufacturers websites is often a good place to start.

    Once you have the device driver (unzipped if it is contained in a .zip file), use the following to install the device driver:

    pnputil -i -a driver-inf

    where driver-inf is the name of the .inf file for the driver, or to install all drivers in a folder:

    pnputil -i -a *.inf

    Update: check the C:\Compucon\Drivers folder for existing drivers in our OPK system

    Enable and disable a device driver

    Sadly there doesn't seem to be a way of enabling or disabling devices from the command line.

    The best (free) tool I have found for listing, enabling and disabling devices is DevManView which is available here: www.nirsoft.net/utils/device_manager_view.html

    Diskpart

    Here are some commands for using DISKPART in the Terminal.

    • help
    • list disk
    • list vol
    • list part
    • sel disk x  (where x is a disk number listed under 'list disk')
    • sel vol x
    • sel part x
    • create part primary
    • help format (or format help)
    • assign (assigns a drive letter to the partition once it has been formatted)
    • exit

     
    Using Google SMTP for NVR Email Notifications Print
    September 2021

     

    NVR System Settings

    • SMTP Server: aspmx3.googlemail.com
    • SMTP Port: 25
    • Account: <gmail account name> (without @gmail.com)
    • Password: <gmail account password>
    • Security: None
    • Sender Name: Compucon <Site Name>
    • Sender Mail: compucon.<sitename>@gmail.com
     
     
     
    Compucon eBooklet (2021) Print
    September 2021
    To the Video Surveillance Home Page

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    Back to the Specific Purpose PC Home Page

    Read the eBooklet in 4 parts here:










     
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