DragonsDean Enterprise

    The effectiveness of using a single or multiple camera CCTV (Closed-Circuit Television) solutions depends on various factors and the specific security requirements. Single Camera Advantages The main advantage is cost-effective, they are more budget-friendly initially. Managing and maintaining a single camera is straightforward. Limitations A single camera can cover a specific are and detect obstacles or incidents, it only provides a restricted field of view. Blind spots may exist. If it is not positioned optimally, it may miss critical events. No backup if the camera fails or malfunction. Deploying a single camera is cost-effective and generally a good choice if the application is small. Multiple Camera Advantages Multiple cameras can cover larger areas, reducing blind spots. If one camera fails, other continue monitoring. Different camera type can be strategically placed. Multiple angles aid in identifying individual or incidents. View different areas simultaneously on a ...

    Cisco Meraki MX Firewalls is a Unified Threat Management (UTM) and Software-Defined WAN solution. As a UTM product, Meraki MX provides content filtering, app-specific traffic control, intrusion prevention, malware protection, and site-to-site VPN that is deployable on hardware or virtually. It also enables firewall management remotely for 24x7 monitoring and accessibility. Users are able to deploy, monitor, and configure their Meraki devices via the Meraki dashboard web interface or via APIs. Once a user makes a configuration change, the change request is sent to the Meraki cloud and is then pushed to the relevant device(s).   Meraki Cloud Architecture The Meraki cloud is the backbone of the Meraki management solution. This "cloud" is a collection of highly reliable multi-tenant servers strategically distributed around the world at Meraki data centers and select public cloud service providers. For the remainder of this document we will refer to both the Meraki...

  Most CPU launches include a lot of stories, leaks, and fanfare – with curious mind rushing to get new updates, system integrators updating their product lines, and enthusiasts doing everything they can to get their hands on one of the new models. The latest processors from AMD and Intel, however, lack almost all of that. AMD's new Ryzen "XT" processors and Intel's new Core i9 10850K are so close in performance to the original models that there should be no perceptible difference in real-world usage. I've been switching between these chips to know which is good for rendering. Unfortunately none of these are the best or fastest CPUs for rendering, that honor goes to AMD's Threadripper 3rd Gen lineup. Intel actually released a slightly slower model – presumably to help alleviate some of the supply issues with the Core i9 10900K. The new Core i9 10850K is essentially the same as the 10900K, only with 100MHz lower base and Maximum Turbo Boost clock speeds.  Does ...

  Abbreviation Dimension Tolerance L [Length] 68.8 mm(2.71 in.) 1.02 mm (0.040 in.) H [Height] 35.1 mm (1.38 in.) 0.90 mm (0.035 in.) T [Depth] 1.40 mm (0.055 in.) 0.64 mm (0.0.25 in.) R [Corner Radius] 4.06 mm (0.160 in.) max -- C [Distance to first obstruction] 30.5 mm (1.2 in.) min --   Design Consideration for specification from subscriber outlet to subscriber terminal. At least one TV box shall be planned for each room with the following construction and dimension. Wall plates shall have a 75 ohms barrel splice "F" female both ends 3/8" - 32 threads per inch mounted in the center. A washer and nut, matched specifically in the female splice adapter, shall secure the barrel splice to the wall plate. When attaching the cable to the splice adapter, special care shall be taken to avoid over tightening.  EXCERPTS | Cable Television System B...

  Emergency Communication Systems (ECS) are designed to alert and evacuate occupants of a building in case of emergency situations. This is a segment of an Fire Detection and Alarm System that broadcasts the existence of a fire or an emergency situation, or sends information necessary to facilitate an appropriate action. ECS Basic Types Emergency Voice Alarm Communication (EVAC) This is a segment of an Fire Detection and Alarm System that broadcasts information during an emergency to the occupants of a building or facility and instructs appropriate actions to them, such as evacuating. it is conveyed by audible or visible means, or both. Two-way Emergency Communications System This is a segment intended for use by the building fire safety personnel or by the fire fighters and first responders to both exchange information and to communicate information, such as condition of local environment, condition of persons, to give assurance that help is on the way, or any other instructions. ...

  Kidde EOL-15 End of Line Resistor 15K Ohm The function of an end of line (EOL) resistor is to monitor the integrity of the circuit in a fire alarm system. This is achieved by placing the resistor at the end of the wiring loop, completing the electrical circuit. The control panel of the fire alarm system continuously monitors the resistance of the circuit, which should match the resistance value of the EOL resistor. Any changes from readings may indicate a potential issue, prompting the system to signal a trouble condition. An EOL resistor should always be installed as the last device in the loop and never inside the control panel. Placing resistors anywhere other than the end of the line does not serve a purpose. Open Circuit Detection When there is a break in the wiring or a device is disconnected, it creates an open circuit. This means that the electrical current cannot complete its path through the circuit, resulting in an increase in resistance. The EOL resistor, pl...

    The alarm sound from audible notification appliances shall b e clearly audible throughout the floor and / or  building in which they are installed. It should be sufficient to warn and initiate evacuation of all occupants for whom the alarm sound is intended. A sufficient number of audible notifications appliances shall be used to produce a minimum sound level of 65 dBA, or 10 dB above the ambient noise level having a duration of at least 30 seconds, whichever is greater, measured 1.4 meters above the floor in the area required to be served by the system. The sound level produced by audible notification appliances and the ambient noise combined shall not exceed 115 dBA. If the sound level required is higher than 115 dBA, visual notification appliances such as strobes shall be used in addition to the audible notification appliances generating the maximum allowable sound level. In bars, nightclubs, and other entertainment places where the ambient noise level is high, the...