Professionalism - ANSWER-the competence or skill expected of a professional (How you look, sound, and feel)
Actions of a professional - ANSWER-Refrain
... [Show More] from acts that cause background checks, time management, avoid arguments, park appropriot, do not steal time
Principle of transmission - ANSWER-The movement of information in either analog or digital form through copper conductors and fiber strands
AC - ANSWER-Alternating current
Analog signal - ANSWER-A signal in the form of a wave using continuous variations of physical characteristics (constant voltage)
Bandwidth - ANSWER-A range of frequencies available for signaling expressed in hertz (potential capacity of signals traveling at once)
Bel - ANSWER-A ratio for analog signal strength (10 dBs)
Current (I) - ANSWER-The flow of electrons in a conductor (Amps)
Decibel (dB) - ANSWER-A ratio for analog signal strength (1/10 BEL)
DC - ANSWER-Direct current
Digital signal - ANSWER-Signal in the form of sequences of discrete pulses (binary signal)
EMI - ANSWER-Electromagnetic interference
Frequency - ANSWER-The number of cycles that a signal completes in a given time
Hertz (Hz) - ANSWER-standard for measurement used for measuring frequency in cycles per second. (60 Hz = 60 completed cycles per second)
Power (P) - ANSWER-The amount of energy transferred per unit time required to operate a device
Volt (V) - ANSWER-A unit of measurement for electromotive force
Copper cabling - ANSWER-Most common media for data transmission. Data is transmitted as electrical pulses. (Cat 5, Cat 5e, Cat 6)
Attenuation - ANSWER-The loss or weakening of a signal between two point expressed in dBs (a ratio of signal sent and signal received)
AWG - ANSWER-American wire gauge
Balanced twisted pair - ANSWER-A type of wiring where a pair of conductors continually twist inside the cable to reduce or eliminate the possibility of EMI from other conductors in the cable (blue and blue white will be twisted together)
Capacitance - ANSWER-the ability of a conductor to store electrical energy
coaxial cable - ANSWER-Cabling with a central metallic inner conductor and a separated enclosed outer conductor by a dielectric material like a metallic braid
Crosstalk - ANSWER-Unwanted transfer of a signals electromagnetic energy (blue interfering with orange)
Impedance (Z) - ANSWER-The total opposition that a circuit cable or compound offers to the flow of altering current (measured in ohms)
Inductance - ANSWER-The property of an electrical force field built around a conductor when current flows through it
Insertion loss - ANSWER-The signal loss resulting from the insertion of a component (attenuation when a new signal is transmitted)
NVP - ANSWER-Nominal velocity of propagation (coefficient used to determine the speed of transmission relative to the speed of light)
Ohm (R) - ANSWER-The measure of electrical resistance
Ohms law - ANSWER-The mathematical relationship among electrical current resistance and voltage
Ohms law formula - ANSWER-V
I | R
Resistance - ANSWER-A measurement of opposition a material offers to the flow of direct current (measured in ohms)
Return loss - ANSWER-A ratio of the power of the outgoing signal to the power of the reflected signal
USOC - ANSWER-Universal service order code
Optical fiber cabling - ANSWER-Transmits data modulated as light pulses
The advantages of fiber - ANSWER-Fiber has greater bandwidth, can carry signals over greater distances, and less susceptible to EMI
Attenuation - ANSWER-The loss or weakening of a signal between two point expressed in dBs (a ratio of signal sent and signal received)
Bandwidth - ANSWER-A range of frequencies available for signaling expressed in hertz (potential capacity of signals traveling at once)
Cable loss - ANSWER-The attenuation of a signal as it passes through optical fiber cable
Cladding - ANSWER-The outer concentric glass layer that surrounds the fibers core and has a lower index of refraction
Dispersion - ANSWER-The loss of signal resulting from the scattering of light pulses (The widening or spreading out of the modes)
Ferrule - ANSWER-The alignment sleeve portion of an optical connector
FC - ANSWER-Fiber connector
Furcating harness - ANSWER-And assembly used to increase the effective outer diameter of strands (also called a fan out)
Insertion loss - ANSWER-The signal loss resulting from the insertion of a component (attenuation when a new signal is transmitted)
LC Connector - ANSWER-Lucent Connector A SFF Single fiber connector used for termination of both multi mode and single mode (most common)
Multimode optical fiber - ANSWER-Wave guide that allows many bound modes to propagate (typically used for short distances)
Optical fiber - ANSWER-The transmission of media using thin glass to transmit signal via light pulses
SFF - ANSWER-Small Form Factor (physical fiber connectors and adapters)
SC - ANSWER-Subscriber connector
Optical fiber color codes - ANSWER-Blue orange green brown slate white red black yellow violet rose aqua
How is the second set of 12 fibers color coordinated - ANSWER-Same color code with an additional black strip (black is stripped with yellow)
Reflection - ANSWER-Light bouncing off the surface of something
Refraction - ANSWER-Light bending as it passes through something
Total internal refraction - ANSWER-Light stays trapped inside a barrier and continues to travel forward bouncing back-and-forth off the barrier
Index of refraction (IOR) - ANSWER-The ratio of velocity of light in a vacuum to there in a medium
Speed of light (in a vacuum) - ANSWER-300,000 km/s 186,000 mi/s
Index of refraction in water - ANSWER-1.3 (225,000 km/s)
Index of refraction in glass - ANSWER-1.5 (200,000 km/s)
Nm - ANSWER-Nanometers
Single mode wavelengths - ANSWER-Typically 1310nm & 1550nm
Multimode wave links - ANSWER-Typically 850nm (most popular) & 1300nm
Single mode course size - ANSWER-9 µm core (micrometers)
Multi mode courses size - ANSWER-62.5 µm or 50 µm (micrometers)
Single mode and multi mode cladding size - ANSWER-125 µm (micrometers)
DB loss per kilometer in 1310 (singlemode) wavelength - ANSWER-0.35
DB loss per kilometer in 1550 (Singlemode) wavelength - ANSWER-0.22
DB loss per kilometer in 850 (Multimode) wavelength - ANSWER-3.0
DB loss per kilometer in 1300 (Multimode) wavelength - ANSWER-1.0
DB loss per splice - ANSWER-.01 (typically)
DB loss per connector - ANSWER-.75 (typically)
Acrylic buffer - ANSWER-The layer around the cladding that is stripped off
Kevlar - ANSWER-A strong synthetic material used to protective fiber cabling
OS1 & OS2 single mode - ANSWER-Yellow
OM1 & OM2 Multimode - ANSWER-Orange
OM3 Multimode - ANSWER-Aqua
OM4 Multimode (in North America) - ANSWER-Aqua
OM4 Multimode (in Europe) - ANSWER-Purple
OM5 multimode - ANSWER-Green
All outdoor jackets - ANSWER-Black
OTDR - ANSWER-(optical time domain reflectometer) Detects the location of a fault in a fiber cable by sending light down the fiber-optic cable and measuring the time required for the light to bounce back from the cable fault.
Number one reason for fiber failure - ANSWER-Dirty fiber
Mode - ANSWER-Describes the path of optical signals as it travels through the core
AHJ - ANSWER-Authority having jurisdiction (inspector)
Codes - ANSWER-Minimal standards and regulations for which installation is performed for safety
ANSI - ANSWER-American national standards institute (safety guidelines)
ICT - ANSWER-Information and communication technology
IEC - ANSWER-International electrotechnical commission
IEEE - ANSWER-Institute of Electrical and Electronics Engineers
ISO - ANSWER-International organization for standardization
NEC - ANSWER-National Electric Code
NFPA - ANSWER-National Fire Protection Association
Regulation - ANSWER-And authority over all that controls are governs behavior
TIA - ANSWER-Telecommunications industry Association
Telecommunication spaces - ANSWER-A housing for telecommunication equipment and termination
Telecommunication pathways - ANSWER-A pathway to carry telecommunications from house to house
AP - ANSWER-Access provider A company that provides the path back to the service provider (fiber drops to a house back to the distribution center)
Conduit - ANSWER-A pathway Usually circular metal or plastic
Conduit run - ANSWER-Multiple sections of conduit
demarcation point - ANSWER-A point where the operational control or ownership changes
EF - ANSWER-Entrance facility (where service cables come into a building)
EMT - ANSWER-Electrical metallic tubing
ENT - ANSWER-Electrical nonmetallic tubing
ER - ANSWER-Equipment room
FMT - ANSWER-Flexible metallic tubing
Home run - ANSWER-A Cabling pathway or cable installed without a splice or intermediate termination point between active electronics
IMC - ANSWER-Intermediate metal conduit
RMC - ANSWER-Rigid metal conduit
SCS - ANSWER-Structured cabling system (The entire body for communications in a building)
SP - ANSWER-Service provider (The company back at the distribution center that connects you to the Internet)
TE - ANSWER-Telecommunications enclosure (Air gap box)
TR - ANSWER-Telecommunications room
What is the difference between an ER and a TR - ANSWER-An ER typically serves A much larger area like entire building while ATR typically serves smaller areas like one floor
HC - ANSWER-Horizontal cross connect A group of connectors (patch panel)
IC - ANSWER-Intermediate cross connect The connection point between backbone cable
LAN - ANSWER-Local area network
MC - ANSWER-Main Cross connect located in the main ER
Network topology - ANSWER-The arrangement of various elements of a computer network
PBX - ANSWER-Private branch exchange
Work area - ANSWER-A space were occupants interact with telecommunications equipment
CPR - ANSWER-Cardiopulmonary resuscitation
first aid - ANSWER-emergency care treatment given to an ill or injured person before regular medical aid
Hazmat - ANSWER-Hazardous material
OSHA - ANSWER-Occupational safety and health administration
PPE - ANSWER-personal protective equipment
SDS - ANSWER-Safety data sheet
AFF - ANSWER-Above finish floor
Inner duct - ANSWER-A nonmetallic duck placed within a larger pathway
Telecommunication enclosure requirements - ANSWER-Controlled access grounding removable door dedicated branch circuit fire protection heating and ventilation interior provisioning lighting at least 538 lux secure location no passing through pathways not to serve an area greater than 335 m²
BBC - ANSWER-Backbone bonding conductor
BC - ANSWER-Bonding conductor
BCT - ANSWER-bonding conductor for telecommunication
Bond - ANSWER-A connection using a low resistance part
Bonding - ANSWER-The joining of metallic parts to form a conductive path
Building grounding electrode system - ANSWER-A network of grounding components
Earthing - ANSWER-Grounding to earth
Equalizing conductor - ANSWER-A conductor for equalizing different grounds to keep them at the same potential
GE - ANSWER-Grounding equalizer
GEC - ANSWER-Grounding electrode conductor
GPR - ANSWER-Ground potential rise (voltage difference between grounding system in the earth)
Ground - ANSWER-Conducting connection intentional or accidental between an electrical circuit in the earth
Ground fault - ANSWER-An undesirable connection to the ground
Grounded - ANSWER-Connected to earth
grounding - ANSWER-The act of providing a ground
Grounding conductor - ANSWER-A conductor used to connect the grounding electrode to the buildings main grounding busbar
Grounding electrode - ANSWER-A conductor in direct contacts with the earth
PBB - ANSWER-Primary bonding bus bar (TMGB telecommunications mean grounding busbar)
RBB - ANSWER-Rack bonding busbar
RBC - ANSWER-Rack bonding conductor (connects a rack directly to the primary bonding bus bar)
SBB - ANSWER-Secondary bonding bus bar (TGB telecommunications grounding bus bar) [Show Less]