Functional Block Diagram - Blonder Tongue Laboratories Inc.

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Broadband Specification Guide How To Use This Guide This publication has been designed to serve as a guide on how to provide signal to televisions in commercial/industrial/educational environments. This includes: • What are the different types of programming sources? • How to put together the proper equipment to prepare the different programming sources for distribution? • How to design the RF distribution networks to get the created signals to the desired TVs? The first section is a plain English, functional description of the different sub-systems that can be incorporated into the project. Each system is broken down into three distinct sections: “Functionality”, “In Depth Description”, and “Functional Block Diagram”. The Functionality section is a plain English, functional description of the different sub-systems that can be incorporated in to the project. This is designed to give you the most basic idea of what the system will do for the facility, and can be used to highlight the different uses of technology. The In Depth Description builds on the information introduced in the Functionality section, but goes in to deeper detail. An operational description is given for each item needed to make the system work. As with any type of technical systems there are sometimes special considerations that must be considered when designing the system, those considerations will be brought forth in this section. The Functional Block Diagram section is a graphic representation of how the components interface with each other. Next to the graphical representation of each component, there is a listing of all the possible items that can perform that function. If the designer picks one component from each group, the system will have all of the components required to operate properly, provided that all of the components are properly installed. The second section of this publication is the specification library. Every product that is referenced in the functional block diagrams can be found in the specification library. These are the specifications that should be used to assemble the bid package for any of the subsystems that have been designed. The specifications are sorted by model number for ease of look-up. 4 4
Broadband Specification Guide Safety Instructions Safety Instructions You should always follow these instructions to help ensure against injury to yourself and damage to your equipment. ➧ ➧ ➧ ➧ ➧ ➧ ➧ ➧ ➧ ➧ ➧ ➧ ➧ Read all safety and operating instructions before you operate the unit. Retain all safety and operating instructions for future reference. Heed all warnings on the unit and in the safety and operating instructions. Follow all installation, operating, and use instructions. Unplug the unit from the AC power outlet before cleaning. Use only a damp cloth for cleaning the exterior of the unit. Do not use accessories or attachments not recommended by Blonder Tongue, as they may cause hazards, and will void the warranty. Do not operate the unit in high-humidity areas, or expose it to water or moisture. Do not place the unit on an unstable cart, stand, tripod, bracket, or table. The unit may fall, causing serious personal injury and damage to the unit. Install the unit only in a mounting rack designed for 19” rackmounted equipment. Do not block or cover slots and openings in the unit. These are provided for ventilation and protection from overheating. Never place the unit near or over a radiator or heat register. Do not place the unit in an enclosure such as a cabinet without proper ventilation. Do not mount equipment in the rack space directly above or below the unit. Operate the unit using only the type of power source indicated on the marking label. Unplug the unit power cord by gripping the plug, not the cord. The unit is equipped with a three-wire ground-type plug. This plug will fit only into a ground-type power outlet. If you are unable to insert the plug into the outlet, contact an electrician to replace the outlet. Do not defeat the safety purpose of the ground-type plug. Route power supply cords so that they are not likely to be walked on or pinched by items placed upon or against them. Pay particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit. Be sure that the outdoor components of the antenna system are grounded in accordance with local, federal, and National Electrical Code (NEC) requirements. Pay special attention to NEC Sections 810 and 820. See the example shown in the following diagram: Satellite Dish Ground Clamp Coaxial Cable from Satellite Dish Antenna Discharge Unit (NEC Section 810-20) Electric Service Equipment Ground Clamps Grounding Conductors (NEC Section 810-21) Power Service Grounding Electrode System (NEC Art. 250, Part H) 5
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Functional Block Diagram - Blonder Tongue Laboratories Inc.

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