Shared Flashcard Set

Details

Installation Technologies
The Mid-Term
30
Engineering
Undergraduate 4
05/29/2013

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Cards

Term
What does UTP stand for?
Definition
Unshielded Twisted Pair
Term
What is the primary color code for UTP cable?
Definition
Blue, Orange, Green, Brown, Slate
Term
What is the secondary color code for UTP cable?
Definition
White, Red, Black, Yellow, Violet
Term
What color pairs are used for transmit in four-pair UTP T568a?
Definition
Green and green/white
Transmits on pins 1&2
Term
What does POTS stand for?
Definition
Plain Old Telephone Service
Term
What are the two most common types of coax cable?
Definition
•RG6
•RG59
Term
What is a dielectric element used for and what type of cable uses it?
Definition
Supports an electrostatic field coax
Term
How many wires are in a Cat5e cable?
Definition
•8 wires
•Blue, Orange, Green, Brown and a White that corresponds w/each.
Term
What blade would you use in a punch down tool for Split-M block?
Definition
66 blade
Term
What information will an eight-position data modular tester provide?
Definition
•Cross Pairs
•Opens
•Good Cable
•Shorts
Term
What are the two other names for constant voltage systems?
Definition
•70v System
•Distributed Systems
Term
Name 3 common places that constant voltages systems are used?
Definition
Convention Centers, Factories, Malls, Offices, Restaurants, Schools, Stores, Stadiums
Term
Where did the idea of a constant voltage system come from?
Definition
The Power Company
Term
What are the 3 common voltages used in these systems?
Definition
•25
•70.7
•100
Term
Why do we typically not use higher than 70v in the United States?
Definition
Because 100v is considered to be high voltage in the United States.
Term
Name 3 of the different types of amplifiers that can be used?
Definition
•Autoformer
•Direct Drive
•Constant Voltage
Term
What setup will give you the most overlap coverage?
Definition
Center on Center
Term
Which setup will give you the least coverage?
Definition
Edge to Edge
Term
Name the disadvantages of daisy chaining devices together.
Definition
Splices, Poor Signal Strength, Issues w/Trouble Shooting.
Term
What is the minimum wiring grade for data and telephone for a structured wiring system?
Definition
Cat5e
Term
What is the maximum distance you are allowed to run a UTP cable?
Definition
100 meters (328ft)
Term
What does CCTV stand for?
Definition
Closed Circuit Television
Term
Who developed the T568 standards for UTP?
Definition
AT&T
Term
What does LNB stand for and how many cables does it need?
Definition
Low Noise Block Down Converter
Term
How many scan lines make up a standard NTSC analog video signal?
Definition
525 lines
Term
How many colors can a single DLP chip support and how many can a three chip DLP support?
Definition
•Single Chip = 16 million
•Three Chip = 35 trillion
Term
Name the advantages of an LCD display over a Plasma display.
Definition
•Less chance for burn in
•No need to recharge
Term
What is the difference between a splitter and a tap?
Definition
•A splitter distributes the signal evenly across the outputs (equal power).
•A tap allows for one output to be stronger (more power) then the other. This is in the case that one cable run is longer then the other.
Term
What does VESA stand for?
Definition
Video Electronics Standards Association
Term
What does VESA do?
Definition
Develops standards for computer based video.
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