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CCTV GUIDE

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					CCTV GUIDE
                                                           1   System objective

                                                           2   CCTV Cameras

This guide can give an idea on your CCTV systems and       3   Control & recording equipment
allow you to make the right choice.
                                                           4   Monitors

                                                           5   Accessories




1. Decide on the objective of your CCTV system
 Monitoring Only                        Monitoring & Recording               Monitoring, Recording
                                                                             & Remote Viewing
 You just need to monitor one or        You need to monitor one or
 more cameras on a screen.              more cameras AND record them.        You need to monitor one or
                                                                             more cameras, record them AND
                                                                             access them over the internet
                                                        up to                remotely.
                                                        16 cameras

                                                                                     up to
                                                                                16 cameras




                                                                             Now select your   cameras
    2 Select your cameras                                                                                                                                                                           Lens Type

                                                                                                                                                                                                    The smaller the lens size, the wider the camera
      Cameras are essential part of any CCTV system and their choice is crucial factor of effective functioning of the system.                                                                      view. The larger the lens size, the narrower the view.
      The following factors have to be considered to help you choose appropriate CCTV cameras which will meet your
      business needs.                                                                                                              g   Camera Format                                                ie. 3.6mm lens = wide angle
                                                                                                                                                                                                    12mm lens = narrow angle
                                                                                                                                       Body Camera
                                                                                       a   Purpose                                                                                                  The wider the angle the smaller things will
                                                                                                                                       Dome                                                         appear. The narrower the angle, the bigger things
                                                                                           What will the camera see?                                                                                will appear.
                                                                                                                                       Pan/Tilt Dome
      To monitor and control                     Detection                                 What do you want it to                                                                                 Ask yourself:
                                                                                                                                       Pan/Tilt/Zoom Dome                                         What will be the maximum viewing distance I need to
                                                                                           capture?                                                                                               focus on?
                                                                                                                                                                                                  What is the maximum width of that view at that point?

                                                                                                                                   h   Lens Type/Picture View
                                                                                       b   Performance
                                                                                                                                       Fixed Lens
                                                                                                                                                                                 Camera Visibility
                                                                                           Monitor and control
                                                                                           general situation                           Varifocal Lens
                                                                                                                                                                                 Overt/Derrent styles of CCTV
      Recognition                                Identification                                                                         Lens Size needed:                         cameras usually are bigger and
                                                                                           Detection of person                                                                   have a visual presence in the
                                                                                                                                          Max. width needed (m)      __          environment.
                                                                                           Recognition of person
                                                                                                                                          Max. view distance (m)     __          Covert/Hidden styles of camera
                                                                                                                                                                                 tend to be very small or
                                                                                           Identification of person                                                               disguised as another object (ie.

                                                                                           Number Plate                            i   Camera Visibility                         smoke alarm).

                                                                                           Recognition                                 Overt/Deterrent                           Small and discreet styles of CCTV
         Your CCTV requirement will determine performance requirements                                                                                                           cameras have a contemporary
         of your cameras.                                                                                                              Covert/Hidden                             design and are usually small                Picture Quality
                                                                                                                                                                                 to medium in size. These are
         The most common complaints for the disappointing performance of many
                                                                                       c   Type
                                                                                                                                       Small/Discreet                            normally ideal for residential or           TVL (Television Lines) are
         CCTV systems include:                                                                                                                                                   small business purposes.                    the number of horizontal
         - the subject was too small, or not in view long enough
                                                                                           Analogue
                                                                                                                                                                                                                             lines produced by a security
         - the images were out of focus or moving subjects were blurred                                                                                                       Ask yourself:                                  camera and is a measure
                                                                                           IP (Internet Protocol)
         - cameras were not covering the relevant area                                                                             i   Picture Quality                        Where will the camera be mounted?              of picture resolution or
                                                                                                                                                                              Do I need it to be hidden for                  sharpness. The higher the TVL,
                                                                                                                                       Standard under 420 TVL                 surveillance purposes?
                                                                                                                                                                                                                             the better the image quality.
                                                                                       d   Environment
                                                                                                                                       High over 420 TVL                                                                 Ask yourself:
      Go for the traditional analogue                                                      Indoor                                                                                                                        What sort of image quality do I need
      or the newer digital network (IP)                                                    dry and reasonable temperatures                                                                                               for the purpose of this camera?
      cameras that connect directly                                                        External
      into your network.                                                                   wet and varied temperatures             k   Cabling                                                                           Does the purpose require a good
                                                                                                                                                                                                                         image or a general overview of the
                                                                                                                                                                                                                         environment?
                                                                                           Vandal Resistant                            Wireless (2.4 GHz)                                                                Is it required for evidential purposes?
                                                                                           potential for damage quite high                                                               Cabling
                                      Picture Format                                                                                   Wired:
                                                                                                                                                                                         There are 3 main ways to connect a CCTV camera.
                                      The most popular picture format is in            e   Camera Mount                                   DIY Cabling
                                      Colour, to give you pictures as you are used                                                                                                       Wireless via a 900MHz, 2.4 GHz or 5.8 GHz
                                      to on TV.                                            Wall                                           RG59                                           analogue or Network Local Area
                                                                                                                                                                                                                                  .
                                                                                                                                                                                         Using traditional copper wire - the most common
                                      You should consider Black/White cameras if           Ceiling                                        Cat 5 / LAN                                    way of connecting a CCTV camera. Usually DIY
                                      your budget is limited, light conditions are                                                                                                       cabling that is pre-terminated and ready to use or
                                      low or variable.                                     Other         _________________             Cabling Distance to control
                                                                                                                                                                                         RG59 which will need to be crimped at the ends.
                                                                                                                                       equipment?
                                      Day/Night Cameras are ideal for seeing in full                                                                                                      Or finally using Cat 5 network cabling to transmit
                                      colour during the day and in B/W at night.
                                                                                                                                       (ie. to TV or DVR)            __                   data over a Local Area Network/Internet
                                      They use Infra-Red LEDs to see at night and      f   Picture Format                                                                                 Ask yourself:
                                      can see varied distances when dark.
                                                                                           Colour                                                                                         What is the ease of running the cable ?
                                   Here is more questions should be asked:                                                                                                                Will visible wiring be a problem ?
                                   Do you need to see at night?                            Black/White
                                   Do the light conditions vary a lot?
2                                  What type of light is there (if any)?                   Day/Night:                                                                                                                                                              3
                                   (ie. strip lighting, light bulb etc)
                                                                                               Max. viewing distance
                                                                                               needed in the dark (m)        ___
                                                                                                                                                                          Now select your          control/recording equipment
     CAMERAS
    3 Select your control/recording equipment
                                                                                                                                                            3.2 Using a Digital Video Recorder set-up

               single camera set-up                                                        One camera                                                                    All-in-one solution          DVR set-up with optional viewing connection to TV and/or Internet/LAN
                                                                                          Direct connection of your camera (wired or wirelessly) to a                    Record multiple cameras
                                                                                          video or DVD recorder and/or television. Nothing more required.                                          Wired set-up

                                                                                       Wired set-up                                                                      Monitor cameras live
               multiple camera set-up
                                                                                                                                                                         Playback footage easily                                                 DVR
                                                                                                                                                                                                   Wireless set-up
              Control equipment is required when you
              want to monitor more than one camera
              or record live footage produced by the                                   Wireles
              camera. See the following sections to find                                          s set-up                                                   a   No. of camera inputs
                                                                                                                                                                                                                                                   Footage/Data Retrieval via VCR/Remote
              out more about recording using:                                                                                                                   Up to 4                                                                            Connection and/or built-in CD/DVD writer
                                                                                                                                                                Maximum for wireless set-up
                 1     Video/DVD Recorder                                                                                                                       Up to 8                            Note: You can also view your DVR on a standard LCD or PC monitor by using a BNC to VGA
                 2     Digital Video Recorder                                                                                                                   Up to 9
                                                                                                                                                                                                   Convertor, available from iViewCameras.


                 3     PC Based Software                                                                                                                        Up to 12                                                                     Recording Time required
                 4     IP Camera Software
                                                                                                                                                                Up to 16                                                                     The length of time you can record for is
                                                                                                                                                                                                                                             affected by:

                                                                                                                                                            b   Recording time required                                                      Hard Drive size: 120/160GB standard, 250GB,
                                                                                                                                                                                                                                             500GB, and 1000GB options. DVRs store
                                                                            3.1 Using a Video/DVD Recorder set-up                                               Have you considered:                                                         recordings directly onto a Hard Drive. Once
                                                                                                                                                                    Hard Drive size                                                          storage space has run out, most DVRs can
                                                                                                                                                                                                                                             be set to automatically erase old footage as
                                                                                                                        Simple set-up                               Number of cameras                                                        new footage is recorded. Choosing a Hard
        Using a Video/DVD Recorder or time lapse video recorder                                                                                                                                                                              Drive size can depend on how long you
                                                                                                                                                                                                      Remote Viewing                         wish to keep footage stored for.
                                                                                                                        Ideal for low cost set-up                   Frame rate for DVR
        As video or DVD recording devices only record one ‘feed’, a method of
        combining the multiple feeds to the recorder is required. A control device                                                                                  Resolution                        Viewing your camera images             Number of cameras: Most DVR units come in
        such as a switcher, quad processor or multiplexer is required.                                                                                                                                over the internet or over a            4, 8/9, and 16 camera varieties
                                                                                                                                                                    Quality of recording              Local Area Network (LAN) is
        A Switcher device will allow you to automatically switch between feeds                              a   Control device needed                               Usually 5 levels                  possible with DVRs which
                                                                                                                                                                                                      have an ethernet (RJ45)
                                                                                                                                                                                                                                             Frame Rate (fps - frames per second): 25 fps
        so each camera can be viewed/recorded for a few seconds. Some models                                                                                        Compression method                                                       per camera is ‘real time’ as you would normally
        allow you to adjust the dwell time between screen changes and some                                      Switcher                                            used                              connection. TeleEye units are          see on TV. 4-6 fps per camera is suitable for
        will even switch to a camera when movement is detected.                                                                                                                                       particularly good for this.            most situations. The fps rate is split between
                                                                                                                Quad Processor                                                                                                               the total number of cameras connected to
        Quad processors simply split a single screen into quarters so up to four
        cameras can be viewed/recorded simultaneously as a ‘quad’ image.                                        Multiplexer                                 c   Extra Features                                                               the DVR unit. So, a 100fps DVR with 4 cameras
                                                                                                                                                                                                                                             inputs will record at 25 fps per camera.
                                                                                                                                                                Motion Detection                                                             Reducing the frame rate can save HD space.
        Multiplexers allow each camera feed to be viewed as single or split screen.                                                                             Only records when DVR software
        Multiplexers can allow each camera to be recorded as a full screen image no                         b   Cabling                                         detects motion                                                               Resolution and the Quality of recording: The
                                                                                                                                                                                                                                             better or bigger the image, the larger the
        matter what live viewing option is selected.                                                                                                            Footage removal options
                                                                                                                Cabling Distance required                                                                                                    size of the recording will be as more ‘image
     Wired set-up                                                                                                                                                   Connect DVR to Video                                                     data’ is stored.
                                                                                                                (total between devices)           ___
                                                                                                                                                                    USB connection to PC                                                     Compression methods: JPEG, MPEG and
                                                                                                                                                                                                                                             MPEG4 are all different types of image
                                                                                                                                                                    Built-in CD/DVD writer                                                   compression, all giving varying file sizes.
                                            Switcher
                                       OR Quad Processor
                                                                                                                                                                    Networkable                                                              Ask yourself:
                                                                                                                                                                                                                                             How long do I need to keep footage available for in
                                         OR Multiplexer
                                                                                                                                                                    Removable Pen-drive                  SITE 1           SITE 2             order to retrieve footage later?
     Wireless set-up                                                                                                                                                                                                                         Will I be away for long periods of time while my CCTV
                                                                                                                                                                                                                                             system will need to be operating?
                                                                                                                                                                Remote Viewing                     Note: Software is normally provided
                                                                                                                                                                                                   to view your cameras using Windows
                                                                                                                                                                Alarm Inputs/Outputs               based software. Some DVRs will
                                                                                                                                                                                                   allow you to download footage via
                                         Ask yourself:                                                                                                                                             remote connection at another site.
4                                        Do you need to be able to view all cameras at once?                                                                                                                                                                                                         5
                                         Do you need to view the images as a full screen?


                                                                                                                                                                                                                             control/recording equipment
                                                                                                      3.3 Using PC Based Software                 3.4 Using IP Software

       PC Based Software set-up with optional connection to Internet/LAN
                                                                                                                       All-in-one solution                        All-in-one solution                        IP Camera set-up
       You can view and record your CCTV footage using an existing PC. The PCI Card                                    Record multiple cameras                    Record multiple cameras                    When using IP cameras, control software needs to be installed onto your PC
       is slotted inside the ‘tower’ of your PC and the CD is used to install the CCTV                                                                                                                       which allows you to use different cameras.
       software.
                                                                                                                       Monitor cameras live                       Monitor cameras live                                                                                    PC
                                                                                                                                                                                                          Wired set-up
       You can then view your images on the PC screen, record to the hard drive and
       remote view the footage                                                                                         Playback footage easily                    Playback footage easily

    Wired set-up                                                    PC                                                 Use an existing PC or                      Use an existing PC or
                                                                                                                       laptop to record footage                   laptop to record footage                Wireless set-up

                                                                                                                       Inexpensive installation                   Excellent functionality
    Wireless set-up                                                                                                    Powerful functionality

                                                                                                                                                  a     No. of cameras in network                                                                                        SITE 1           SITE 2

                                                                                                                                                        No. of cameras to be
                                                                                                           a   System set-up
                                                                                                                                                        recorded using software                 __
                                                                                                                                                                                                          Note: See DVR set-up on page 5 to find out more about the factors which will affect recording
                                                                                                                                                                                                          times. The same principles of recording CCTV footage will apply when using IP cameras.
                                                                                                               Via Desktop PC
                                                                    SITE 1           SITE 2
                                                                                                               Via Laptop PC
          Using a Laptop to view/record footage

          For laptop viewing and recording, a USB
                                                                                                           b   No. of camera inputs
                                                                                                                                                  4 Select your monitor
          Box is available to connect your cameras
          without having to install any hardware.                                                                                                                                                                           Television monitor
                                                                                                               Up to 4
                                                                                                               Max. for wireless set-up or
                                                                                                                                                                                                                            A single camera can be connected to the RCA or Scart
                                                                                                               Laptop connection
                                                                                                                                                                                                                            connectors on your Television.
                                                                                                               Up to 8                            a      Options
                                                                                                               Up to 12                                  Television
                                                                                                               Up to 16
                                                                                                                                                         CCTV Monitor                                                       Multiple cameras can be connected to a TV via a Switcher,
                                                USB Box                                                                                                                                                                     Quad Processor, Multiplexer or DVR by using a
                                                                                                                                                         PC LCD Monitor                                                     BNC to Scart Convertor.
                                                                                                           c   Version required
                                                                                                               Have you considered:
                                                                                                                  Number of cameras
          Note:
                                                                                                                  Frame rate required
          USB Box & Software works with up to 4 cameras                                                           For more information, see p5                                                             If the monitor is always on it is recomended                     SCART CONNECTION
          Software is still required to operate the CCTV                                                                                                                                                   to use a CCTV Monitor (CRD or LCD), as
          viewer and or recorder.
                                                                                                                  Audio requirements                                                                       the screen are designed to last longer with
                                                                                                                                                                                                           reduced boom out.
          The USB Box can also be used for standard PC                                                            Software features
          if PC card option is not required.

                                                                                                                                                                                                        PC LCD monitor
                      Additional features                                                                  d   Additional considerations
                                                                                                                                                                                                        If the DVR has a VGA output, then it can be directly connected
                                                                                                               Have you checked your
                      PC Based software features vary from brand to brand. These are                                                                                                                    to a PC Monitor.
                      the features available on the AVerMedia PC recording system:                             PC/Laptop for:                     Ask yourself:
                                                                                                                  Minimum system                  What size screen do you require?
                                                                                                                                                                                                        If no VGA output is available from the                VGA CONNECTION
                      • Hybrid system: Unique feature to support both analogue & IP • Adjustable
                      frame rate and resolution on each camera • Motion Detection • Complete                      requirements                    What resolution does the screen need to be?           DVR then a BNC to VGA Convertor
                      control during playback: forward, rewind, speed up, slow down and digital                   Hard Drive Size &               What inputs will be required from the recording       is required. See diagram.
                      zoom of any area • Auto Scan • Pan/Tilt/Zoom control • Intelligent Pre-                                                     device or camera(s)? (ie. BNC, VGA, Scart etc)
                      motion recording • Mulitple masking zones • Auto recycling of storage                       Capacity for recording
                                                                                                                                                  Will you require any additional devices/connections
                      space • Central management controls • Remote Recording and Playback
                      • Full control of footage • PDA and mobile device viewing • Simultaneous
                                                                                                                  CD/DVD writer                   for viewing your cameras on the monitor?
                                                                                                                                                  (ie. BNC to Scart lead etc)
                      real-time playback, recording & networking • Intelligent Search • Visual                                                                                                            DVR WITH NO
                      Search by the second - not available on any other system • Till POS                         Network capability                                                                    VGA CONNECTION
6                     integration • E-Map • Email and voice call out on alarmed alert • Easy to use                                                                                                                                                                                                     7
                      graphical user interface • Software Update online and more...


                                                                                                                                                                                                                                          Now select your accessories next
5 Select the right accessories

                                                                         Power supplies

                                                                         Wireless systems require no cabling to transmit the video signal. (The cameras
a      Cabling for system                                                must be powered)

       Wireless system(2.4/5.8GHz)                                       DIY Cabling is pre-terminated & ready to use. It will feed video, audio (if
       Only required power cabling                                       required) and power back to the montoring/control point.
       Wired:                                                                                                                                VIDEO SIGNAL
          DIY Cabling                                                                     18m/36m length
            !8m or 36m lengths available                                                                                                     POWER 12V

            RG59                                                                                                                             AUDIO (optional)

            Cat 5 / LAN                                                  RG59 cabling is professional standard cable and can be bought in 100m reels
                                                                         which will need to be ‘crimped’ with BNC connectors. RG59 shotgun cable also
       Cabling Distance                                                  includes the power cable.
         Cameras to control
         recording equipment                   __                        Cat 5/LAN Cable is used for IP network camera connection.
         Control/recording
         equipment to monitor                  __
                                                                                                                     Power supplies

b      Power supplies                                                                                                Individual power adaptors can be supplied
                                                                                                                     for each camera, where each will plug into
       Individual                                                                                                    the mains power supply.
                                                                                                                     Remember DIY cabling will allow you to
       Multiple                                                                                                      power the camera through the length of
                                                                                                                     the cabling rather than powering it locally.


c      Brackets
                                                                            Warning Signs
                                                                                                                     Multiple cameras can be powered from
                                                                                                                     a single power unit (up to 16 cameras)
       Alternative required?                                                                                         which will plug into just one mains power
       Cameras are supplied with a                                          Under the Data Protection                socket.
       standard bracket                                                     Act, warning signs should be             This will usually need to be fitted by an
       Housing required?                                                    displayed in public places.              electrician.
       For outdoor use
                                                                                                                     Ask yourself:
            General external type                                                                                    Is it possible to run/extend each camera’s power
                                                                                                                     cable back to its own mains power supply?
            Heated housing
                                                                                                                     Note:
                                                                                                                     Wireless cameras must be powered locally

       Warning Signs
       Quantity required                       __

       Dummy Cameras                                                                           Dummy Cameras

       Standard version                                                                        Dummy cameras are often a
                                                                                               low cost method of providing
       Dome version                                                                            a further deterrent.

       External version



For more information about selecting the right CCTV system for you,
contact our team at iViewCameras on 0800 180 4260 or visit www.iviewcameras.co.uk


                           Unit 7, Hurlingham Business Park, Sulivan Road, Fulham, London SW6 3DU www.iviewcameras.co.uk
                           t: 0800 180 4260 (i: +44 (0)207 610 7141) f: 0870 011 6920 (i: +44 (0)207 751 3450) e: info@iviewcameras.co.uk

Registered No. FS 503134   iViewCameras Ltd is registered in England and Wales, registered number: 4459290 VAT: 796690560

				
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