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25 Cards in this Set
- Front
- Back
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The Telecommunications spaces are: |
Entrance facilities (EFs) Equipment rooms (ERs) Telcommunications rooms (TRs) Telecommunications enclosure (TEs) 3-27 |
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What does CER stand for? |
Common Equipment Room 3-27 |
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The ________ consists of the telecommunications service entrance to the buliding, including the entrance through the building wall, and continuing to the entrance room or space. It also includes the cabling components needed to provide a means to connect the outside services facilites to the premises cabling. |
Entrance Facilites (EFs) 3-27 |
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The _____ is genrally responsible for the installation of the items listed about to a specified demarcation point. |
Service Provider (SP) 3-27 |
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The advantages of underground entrances are that they: |
Preserve the aesthetic appearance of the building Are economical over the life cycle Provide the security of additional physical cable protection Minimize the need for possible subsequent repairs to the property when grow is required for existing facilites. 3-29 |
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The disadvantages of underground entrances are that they: |
Have a high initial cabling installation cost Require careful route planning Provide a possible path water or gas to enter buildings if improerly sealed Usally take mor etime to install 3-29 |
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The main advantages of constructing tunnels are that they: |
Decrease the chances of accidental dig-ups Reduce ground corrosion factors Allow a continuous inspection path for all utilites Offer permanent space allocation Reduce surface interference to both vehicular and pedestrian traffic except during the open-cut phase 3-30 |
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The main disadvantage of tunnels construction are: |
Heavy expanse Significant planning and approvals required Increased liability and work priority factors Sabotage passibilites that are facilitated 3-30 |
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The advantages of the buried entrances are that they: |
Preserve the aesthetic appearance of the building Usally have a lower initial cabling installation cost than an underground installation Can easily bypass obstructions compared with underground installations |
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The disadvantages of the buried entrances are that they: |
Are inflexible for future service reinforcement or changes. Do not provide the same physical protection for the cable sheath as underground systems May be difficult to locate unless metalllic warning tape or other means are collocated, especially in the case of optical fiber with no metallic member Discourage accurate route planning and recordkeeping 3-30 |
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The advantages of aerial entranes are that they: |
Usually provide the lowest cabling installation cost. Are readily accessible for maintenance 3-31 |
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The disadvantages of aerial entranes are that they: |
Affect the aesthetic appearance of the building Are subject to traffic and pedestrian clearancese Can damage a building's exterior. Are susceptible to environmental conditions Are ussually joint-use cabling installations with the power company, community antenna television (CATV) company, and telephone or data APs/SPs 3-31 |
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Rigid metallic conduit (RMC) must be permanently ______________. |
Bonded and grounded 3-32 |
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There are two options for wireless entrance with in a facility: |
The first option is the use of the existing. The second option is a separate wireless entrance, routinely called a radio room. 3-33 |
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An ER is a _________ that provides space and maintains a suitable operating environment for large telecommunications equipment. |
Special-purpose Room 3-34 |
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_________ are generally considered to serve an entire building or a campus, whereas a TR typically serves one floor of a building or a portion of a floor. |
Equipment Rooms (ERs) 3-34 |
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__________ serve as a point of termination for horizontal and backbone cables on compatible connecting hardware. |
Telecommunications Room (TRs) 3-36 |
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The TR shall be located as close as practicable to the ________________. |
center of the area served and preferably in the core area. 3-36 |
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A __________ is a case or housing for telecommunications equipment, cable terminations, and cross-connect cabling. |
Telecommunications Enclosures (TEs) 3-37 |
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TE is not allowed to replace a _____________. |
(TR) Telecommunications Room 3-37 |
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What does LMR stand for? |
land mobile radio 3-33 |
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What does WSP stand for? |
Wireless service provider 3-33 |
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What does DAS stand for? |
Distributed Antenna System 3-33 |
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What does BIDA stand for? |
Bi-directional amplifiers 3-33 |
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A ______ is a complete electrical unit used to create artificial light. |
Luminare 3-35 |
