Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
64 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
EF |
Entrance Facilities |
|
|
|
ER/SP |
Equipment Rooms/Service Provider |
|
|
|
TR |
Telecommunications Rooms -MC/TTC |
|
|
|
TE |
Telecommunications Enclosures |
|
|
|
MC/MDF/MTTC/Bay Rack |
Main Cross Connect |
|
|
|
HC/TTC |
Horizontal Cross Connect/Floor Distributor |
|
|
|
Riser |
Backbone Cabling and Pathways |
|
|
|
Distribution |
Horizontal Cabling and Pathways |
|
|
|
TO |
Telecommunications Outlet/Connectors |
|
|
|
TH |
Termination Hardware |
|
|
|
MUTOA |
Multi-User Telecommunications Assemblies |
|
|
|
IC -Satellite |
Intermediate Cross Connect |
|
|
|
TP |
Transition Points |
|
|
|
CP |
Consolidation Points |
|
|
|
HCP |
Horizontal Connection Points |
|
|
|
WA |
Work Areas |
|
|
|
Complete corrective configuration of cabling and associated hardware that is installed at a given site to provide a comprehensive information transportation system infrastructure. |
Structured Cabling System(SCS) |
|
|
|
SP |
Service Provider |
|
|
|
Begins at the point where the service provider terminates/demarcation point |
Structured Cabling System(SCS) |
|
|
|
Demarc |
Demarcation point |
|
|
|
22-26 AWG Used by TIA568C and ISO standards Overall Jacket or Sheath Thermoplastic insulated conductors twisted together to form pairs |
Twisted Pair |
|
|
|
Category 3/Class C, 16Mhz, 10Mbps |
Category 3 |
|
|
|
Category 5/Class D, 100Mhz, 1000Mbps |
Category 5e |
|
|
|
Category 6A/ Class EA, 500Mhz, 10,000Mbps |
Category 6A |
|
|
|
Category 5/Class E, 250Mhz, 1000Mbps |
Category 6 |
|
|
|
Twist Cables to cancel out electormagnetic interference (EMI) or Cross Talks (Next, Fext) from adjacent cables (AXT) |
Balanced Twisted Pair |
|
|
|
TIA Standard of BTP |
100 ohms Unshielded Twisted Pair (UTP) Shielded Twisted Pair (STP) |
|
|
|
Used in ducts and building for handling environmental air. Low smoke producing chrctr. |
Communications Plenum Cable |
|
|
|
Compartment or chamber within a building that is connected to one or more air ducts and is part of the air distribution system |
Plenum Space |
|
|
|
Use in vertical runs in a shift or space from floor to floor. Fire resistant |
Riser Communication Cable (CMR) |
|
|
|
Riser shaft
Space used for cable access between floors in a building
Need to use rated cables |
Riser |
|
|
|
Resistant to the spread of fire |
General Purpose Cable (CM) |
1.) CM 2.) CMG |
|
|
Used in dwellings and raceways Resistant to the spread of fire |
Limited Use Cable (CMX) |
|
|
|
Used for undercarpet Resistant to the spread of fire Not recommended and rarely used Susceptible to damage and limited flexibility for moves, adds and changes |
Undercarpet Cable (CMUC) |
|
|
|
Classified as U/UTP Installed in the premise of inside plant (ISP) environments |
Unshielded Twisted Pair (UTP) |
|
|
|
Used in horizontal distribution for work area cabling
Installed for backbone distribution
90 meter
Follows TIA568C standard |
Four Pair UTP Cable |
|
|
|
Higher protection requirements from outside noise sources Provides higher immunity to EMI and RFI Reduce noise from adjacent twisted pair cables |
Shielded Twisted Pair (STP) |
|
|
|
Metallic covering or envelope that enclose individual conductors, an individual group of conductors or the table core |
Cable Shielding |
|
|
|
Foiled screened with unshielded twisted pairs |
F/UTP |
|
|
|
Braid and Foil screened with unshielded twisted pair |
SF/UTP |
|
|
|
Braid screen with surrounding individually foil shielded twisted pair |
S/FTP |
|
|
|
Overall unshielded twisted pair with foil screened twisted pair |
U/FTP |
|
|
|
In order for shielded cable to be effective in reducing the effects of EMI and RFI, it must be properly bonded to the __________ at the ____________ |
Ground, horizontal cross connect |
|
|
|
For backbone distribution in riser shafts if conduit is not used |
Shielded Multipair Riser Cable (ARAM/ARMM/ALVYN) |
|
|
|
Backbone Distribution Protect cables from outside elements: moisture, sunlight (UVL), lighting exposure, stray voltage, and rodents Aerial, underground, or direct buried Filled with: 1.) Protective Gel or Powder to prevent moisture 2.) Air Core - applications require pressurization |
Outside Plant Cable (OSP) |
|
|
|
IDC |
Insulation Displacement Contact |
|
|
|
Should follow TIA standard Terminate twisted pair cables Insulation Displacement Contact Connectors |
Connecting Hardware |
|
|
|
TIA |
Telecommunications Industry Association |
|
|
|
USOC |
Universal Service Order Code |
|
|
|
RJ |
Registered Jack |
|
|
|
Interface twisted pair cables with equipment lines or patch cords Rear of the connector - cables are terminated Front of the connector - provides access for a modular plug |
Twisted Pair Connectors |
|
|
|
4-position, 4-contact USOC |
4P4C |
|
|
|
6-position 6-contact USOC |
6P6C (RJ-11 or RJ-25) |
|
|
|
8-Position 8-Contact T568A/T568B/T56C |
8P8C (RJ-45) |
|
|
|
Two pin and pair assignments recognized by the TIA-568C standard |
Pin/Pair Assignments |
|
|
|
Widely used internationally Residential installations |
T568A |
|
|
|
Commercial Installations use |
T568B |
|
|
|
Used for telephony Not Recognized by TIA-568 Cabling standard |
USOC Pin/Pair Assignment |
|
|
|
Used in industry for voice applications since the 1960 High speed Data Applications Available in 25, 50, 100 pairs Mounted on wall or backboard using standoff bracket |
66 Block Termination Hardware |
|
|
|
Pre loaded with 110 IDC connections
Can be unloaded or empty patch panels
Designed for 19" standard racks and cabinets |
Patch Panels |
|
|
|
Can be industrial that are rated IP67 class protection, safeguarding connectivity from dust, humidity/moisture, corrosive materials, extreme temperatures, and other harsh conditions |
Outlets |
|
|
|
Types of outlets: |
Faceplates Surface Mount Housings Modular Furniture Faceplates |
|
|
|
100 ohms Balanced twisted pair Utilized either T568A or T568B Shielded or Unshielded Stranded or Solid conductors Same transmission performance criteria as the horizontal cabling Commonly 4 pair twisted pair cables using RJ-45 |
Patch Chords |
|
|
|
Why stranded are preferred over solid conductor patch chords? |
Better flexibility, durability, and longer flex life Disadvantage: slightly higher attenuation |
|
