Ch 16
service center
A _______________ is the hub of a structured wiring system and is usually located in the basement or garage. It is sometimes called a 'distribution center'.
telephone
A __________________ network interface box is used when the telephone company terminates their wiring outside the house.
structured cabling systems
A suspended ceiling grid cannot be used to support ________________________ .
punch-up tool
A(n) __________ terminates voice, video and data wires to a punch-down block.
F-Type
A(n) ______________ connector is a 75-ohm coaxial cable connector that can fit RG-6 and RG-59 cables and is used for terminating coaxial cables.
punchdown
A(n) ____________________ block is the connecting block that terminates UTP cables directly using IDC connections.
bit
A(n) ____________________ is the smallest unit of measure in the binary system.
eight
An RJ-45 is a/an _________________ position UTP connector.
electromagnetic interference
An STP cable resembles a UTP cable but has a foil shield over the wire pairs and offers more _____________________________ protection than UTP in a voice or data installation.
positive
Because telephone systems use DC, the standard wiring practice is to use the 'tip' as the ____________________ conductor.
negative
Because the telephone system uses DC, it is standard practice to use the 'ring' as the __________________ conductor.
5e
Category __________ cable is the preferred UTP cable for residential voice and data applications.
CATVX
Coaxial cable limited to use in dwelling units or raceways is labeled __________.
two
Coaxial cable must be separated from electric light and power circuits by at least __________ inches. (General Rule)
generic
EIA/TIA 570-B was developed to established a standard for a __________ structured cabling system that can accommodate many different applications.
homerun
Each voice and data outlet location should have a separate ______________ back to the service center.
near end crosstalk (NEXT)
Electrical noise coupled from one pair of wires to another within a multi-pair voice or data cable is called _______________________.
Section 800.156
Even though many people use a cell phone as their main telephone communication device, and do not have traditional telephone service installed in their home, _______________________ requires that a communications outlet be installed in each new home.
coaxial cable broadband
In 2008 EIA/TIA 570-B-1 was published with an addendum that included some new guidelines for ___________ installations.
termination caps
It is a good idea to use 75-ohm F-Type __________ in each unused television outlet and at each unused splitter port throughout a house.
four
It is recommended that UTP cable be bent so that the radius of the bend is not less than __________ times the diameter of the cable.
12
It is recommended that UTP cables be secured no more than __________ inches from an enclosure.
to not pull wire with more than 25 lbs. of pulling tension
Recommended methods of installation for structured wiring cables are to keep the cable runs as short as possible, to not run wires too close to electrical power wiring, and ___________________________________________.
white/green stripe; green
The color coding for a 4-pair UTP cable can be remembered by using the acronym 'BLOGB'. Using this as a reminder, the colors used for pair #3 is _______________ and _______________.
yellow, black
The color coding in solid-color, non-twisted pair Quad Wire is red, green, ________________, and ________________.
Certification
The decrease in the power of a signal as it passes through a cable, which is measured in decibels is
radio
The letters 'RG' on a coaxial cable stand for __________ guide.
communications riser cable
The letters CMR found on a UTP cable is an abbreviation for __________.
ten
The minimum bending radius for a coaxial cable is recommended to be no less than ______________ times the cable diameter.
RJ-45
The popular name given to an eight-pin connector or jack used to terminate UTP cable is __________.
category
The rating on the bandwidth performance of UTP cable is called the ____________________ and includes 3, 4, 5, 5e, and 6.
unshielded twisted pair
UTP is an acronym for ______________________________ cable.
90
When a call comes in, there is __________ volts AC on the telephone tip and ring pair.
mud ring (plaster ring)
When installing voice, video and data jacks throughout a house, the preferred piece of equipment used to mount the jacks in a wall is a _____ _____________.
800; 820
When installing voice, video and data wiring in a house, Articles __________ and __________ of the NEC contain some requirements that must be followed.
J-hooks
When running voice, video or data cables along framing members in a basement, it is a good idea to use ______________ instead of staples.
million
When the prefix 'mega' is used in measurement, it means __________.
Verification
______________ ensures that basic continuity and correct terminations have been applied, but does not attempt to measure the information-carrying capacity of the cable runs like you would do in a commercial installation.
attenuation
_______________ refers to the process of making measurements and then comparing the results obtained to pre-defined standards, so that a pass/fail determination can be made.
bandwidth
____________________ identifies the amount of data that can be sent on a given cable and is measured in Hertz.
4-pair Category 3 UTP
____________________________ is recommended for residential telephone installations.
