Bounded Network Media Flashcards
Definition of network media
Network media: The bounded or unbounded conduit through which signals flow.
Definition of Bounded media
Bounded media: A network medium that uses a physical conductor, typically made of metal or glass.
Definition of unbounded media
Unbounded media: A network medium that does not use a physical connection between devices and can transmit electromagnetic signals through the air by using radio waves, microwaves, or infrared radiation.
Definition of radio wave
Radio wave: An electromagnetic wave with wavelengths longer than infrared light.
Definition of microwave
Microwave: An electromagnetic wave with wavelengths shorter than radio waves.
Definition of Infrared radiation
Infrared radiation: An electromagnetic wave with wavelengths longer than visible light.
Definition of copper media
Copper media: Bounded media that use one or more copper conductors surrounded by an insulated coating.
Definition of shielding
Shielding: A method of placing grounded conductive material around bounded media to prevent the introduction of noise into the media.
Definition of twisted pair
Twisted pair: A type of cable in which two conductors or pairs of copper wires are twisted around each other and clad in a color-coded, protective insulating plastic sheath or jacket to form a pair.
Definition of coaxial cable
Coaxial cable: (coax) A type of copper cable that features a central conductor surrounded by an insulator and braided or foil shielding.
Definition of Twisted pair cables
A type of cable in which two conductors or pairs of copper wires are twisted around each other and clad in a color-coded, protective insulating plastic sheath or jacket to form a pair.
Definition of UTP
UTP: (unshielded twisted pair) A type of twisted pair cabling that does not include shielding around its conductors.
Definition of STP
STP: (shielded twisted pair) A type of twisted pair cabling that includes shielding around its conductors.
Features of UTP
No shielding around conductors.
Typically contains four pairs of stranded or solid conductors.
Inexpensive and reliable
Features of STP
Shielding around conductors.
Typically contains four pairs of stranded or solid conductors.
More expensive than UTP.
Give the max speed, max distance, and network type of the twisted pair cable category 3
Network Type: Ethernet
Max Speed: 16
Max Distance: 100 m
Give the max speed, max distance, and network type of the twisted pair cable category 4
Network Type: IBM Token Ring
Max Speed: 100mbps
Max Distance: 100m
Give the max speed, max distance, and network type of the twisted pair cable category 5
Network Type: Fast Ethernet
Max Speed: 1 Gbps
Max Distance: 100m
Give the max speed, max distance, and network type of the twisted pair cable category 5e
Network Type: Gigabit Ethernet
Max Speed: 1 Gbps
Max Distance:100m
Give the max speed, max distance, and network type of the twisted pair cable category 6
Network Type: Gigabit Ethernet and 10 Gigabit Ethernet
Max Speed: 1 Gbps and 10 Gbps
Max Distance: 100m and 55m
Give the max speed, max distance, and network type of the twisted pair cable category 6a
Network Type: 10 Gigabit Ethernet
Max Speed: 10 Gbps
Max Distance: 100m
Give the max speed, max distance, and network type of the twisted pair cable category 7
Network Type: 10 Gigabit Ethernet
Max Speed: 10 Gbps
Max Distance:100m
Definition of Coaxial Cable
Coaxial cable: (coax) A type of copper cable that features a central conductor surrounded by an insulator and braided or foil shielding.
Defintion of Dialetric insulator
Dialectric insulator: A material that does not conduct electricity and that separates the conductor and shield in a coaxial cable.
Features of Solid Core Wire
One-piece (strand) of metal wire
Not flexible
Features of Stranded Wire
Multiple strands or solid cores
More flexible
Better conductor
What is RG59 used for
Low-power video connections (digital receivers)
What is RG6 used for
Routing cable television signals
What is RG58 used for
Thinnet Ethernet networking
What is RG8 used for
Thicknet Ethernet networking
What is RG9 used for
Cable television transmission and cable modems
Give all coaxial connector types
Connection:
Video equipment
Network nodes
Termination
Definition of Fiber optic cables
A network cable is composed of one or more bundled glass threads (fibers or filaments) that are coated in plastic and are used to transmit data by pulses of light.
Definition of fiber optic cable mode
Mode: In fiber-optic communications, a pathway of light.
Definition of Single-mode fiber
Single-mode fiber: A type of fiber optic cable that carries a single optical signal.
Defintion of Multimode fiber
Multimode fiber: A type of fiber optic cable that carries multiple light signals on a single strand.
Give a description of fiber connector ST
Similar in appearance to BNC connectors (straight ceramic center ping and bayonet lug lockdown)
Connect multimode fibers
Common in-network patch panels
Give a description of fiber connector SC
Box-shaped connectors snap into a receptacle
Connect single-mode and multimode fibers
Common in duplex configurations
Give a description of the fiber connector LC
Half the size of ST and SC with an RJ-45-type latching
Connect single-mode and multimode fibers
Used to transition from twisted pair to optical fiber cabling
Give a description of the fiber connector MTRJ
Comparable in size to RJ-45 with a snap-to-lock connector
Connect two multimode fibers
Also called Fiber Jack
Give a description of fiber transceiver type GBIC
Gigabit Interface converter
Converts electrical signals to optical signals and vice versa
High-speed network interface
Variable wavelength
Short-wave connects devices between 0.5 and 500 meters
Long-wave connects devices between 2 and nearly 10 meters
Give a description of fiber transceiver type SFP
Small form-factor pluggable
Converts electrical signals to optical signals and vice versa
Common in 2 Gbps and 4 Gbps Fibre Channel components
Smaller than GBIC
Give a description of fiber transceiver type SFP+
Supports 8 Gbps Fibre Channel
Supports 10 Gbps Ethernet
Supports OTU2 standard
Give a description of fiber transceiver type QSFP
Quad SPF
Four channels
Supports 10 Gb transmissions
Give a description of fiber connector ferrule polish type PC
Physical Contact
The end faces slightly curved or spherical
Back reflection about -40 dB
Used in most applications
Give a description of fiber connector ferrule polish type UPC
Ultra Physical Contact
Extended polishing
Back reflection about -55 dB
Used in digital CATV and telephony
Give a description of fiber connector ferrule polish type APC
Angled Physical Contact
Industry-standard 8 degrees of curvature
Back reflection about -70 dB
Used in CATV and analog
Give the number of OC channels and data rate of OCx specification OC1
The Number of OC Channels: 1
Data Rate: 51.84 Mbps
Give the number of OC channels and data rate of OCx specification OC3
The Number of OC Channels: 3
Data Rate: 155.52 Mbps
Give the number of OC channels and data rate of OCx specification OC9
The Number of OC Channels: 9
Data Rate: 466.56 Mbps
Give the number of OC channels and data rate of OCx specification OC12
The Number of OC Channels: 12
Data Rate: 622.08 Mbps
Give the number of OC channels and data rate of OCx specification OC18
The Number of OC Channels: 18
Data Rate: 933.15 Mbps
Give the number of OC channels and data rate of OCx specification OC24
The Number of OC Channels: 24
Data Rate: 1.24 Gbps
Give the number of OC channels and data rate of OCx specification OC36
The Number of OC Channels: 36
Data Rate: 1.87 Gbps
Give the number of OC channels and data rate of OCx specification OC192
The Number of OC Channels: 192
Data Rate: 9.95 Gbps
Give the transmission speed of coaxial, twisted pair, and fiber optic cable.
Twisted Pair: CAT 3: 10 Mbps CAT 5: 100 Mbps CAT 5e: 1 Gbps CAT 6: 1 Gbps/ 10 Gbps CAT 6a: 1 Gbps/ 10 Gbps
Coaxial cable
10 Mbps
Fiber Optic Cable
40000 Mbps
Give the distance of coaxial, twisted pair, and fiber optic cable.
Twisted Pair Cable:
100 m/segment for up to 1 Gbps
55 m/segment for 10 Gbps
Coaxial Cable:
500 m/segment
Fiber Optic Cable:
Multimode: up to 500 m
Single-mode: over 500 m
Give the duplex of coaxial, twisted pair, and fiber optic cable.
Twisted Pair Cable:
Full Duplex
Coaxial Cable:
Full duplex and half-duplex
Fiber Optic:
Full Duplex
Give the noise immunity of coaxial, twisted pair, and fiber optic cable.
Twisted Pair Cable:
Up to 30mhz
Coaxial Cable:
High
Fiber Optic Cable: Complete Immunity
Give a description of noise
EMI signal disruption
Signal-to-noise ratio decreases as transmission distance increases
Give a description of Attenuation
Progressive degradation of signal over distance
Occurs when cable length exceeds recommendations
Give a description of Impedance
On AC circuits, opposition to electrical flow
Matching impedance across transmitting device, cable, and termination
Measured in ohms (Ώ)
Definition of media converters
A network device that enables networks running on different bounded media to interconnect and exchange signals.
What is Multimode fiber to Ethernet converter used for
Extend an Ethernet connection over a multimode fiber backbone.
What is Fiber to coax converter used for
Convert signals on optical fiber to a coax cable.
What is Single-mode fiber to multimode fiber used for
Transmit multimode fiber signals over single-mode fiber devices and links.
What is Single-mode fiber to Ethernet used for
Extend an Ethernet connection over a single-mode fiber backbone.
Definition of TIA
TIA: (Telecommunications Industry Association) An organization accredited by ANSI to develop consensus-based industry standards.
Definition of EIA
EIA: (Electronic Industries Alliance) A trade association accredited by ANSI to develop and jointly issue standards for telecommunications and electronics industries.
Description of 568 Commercial Building Telecommunication Cabling standard:
Developed by TIA and EIA
Defines regulations for designing, building, and managing structured cabling systems
568A and 568B define cable termination (pinouts)
Give the specifications of 568A and 568B copper cable termination standards of pin 1.
568A specification: Wire color: Green striped
Pin name: Rx+
568B specification: Wire color: Orange striped
Pin name: Tx+
Give the specifications of 568A and 568B copper cable termination standards of pin 2.
568A specification: Wire color: Green
Pin name: RX-
568B specification: Wire color: Orange
Pin name: Tx-
Give the specifications of 568A and 568B copper cable termination standards of pin 3.
568A specification: Wire color: Orange striped
Pin name: Tx+
568B specification: Wire color: Green striped
Pin name: Rx
Give the specifications of 568A and 568B copper cable termination standards of pin 4.
568A specification:Wire color: Blue
Pin name: Not used
568B specification: Wire color: Blue
Pin name: Not used
Give the specifications of 568A and 568B copper cable termination standards of pin 5.
568A specification: Wire color: Blue striped
Pin name: Not used
568B specification: Wire color: Blue striped
Pin name: Not used
Give the specifications of 568A and 568B copper cable termination standards of pin 6.
568A specification: Wire color: Orange
Pin name: Tx-
568B specification: Wire color: Green
Pin name: Rx-
Give the specifications of 568A and 568B copper cable termination standards of pin 7.
568A specification: Wire color: Brown striped
Pin name: Not used
568B specification: Wire color: Brown striped
Pin name: Not used
Give the specifications of 568A and 568B copper cable termination standards of a pin 8.
568A specification: Wire color: Brown
Pin name: Not used
568B specification: Wire color: Brown
Pin name: Not used
Definition of the straight-through cable
Straight-through cable: A network cable that connects, unlike devices. Also called a patch cable.
Definition of a crossover cable
Crossover cable: A network cable that connects like devices.
Definition of the rollover cable
Rollover cable: A network cable that connects a device to a router’s console port.
Give all characteristics of the straight-through cable
Straight-through
Used for network connectivity
Four wires; Pins 1 and 2 transmit, Pins 3 and 6 receive
Each pin at one end is connected to the same number pin at the other end
Give all characteristics of the crossover cable
Crossover
Used to connect devices, switches, or routers to the same type of device, switch, or router
Transmit at one end connects to receive at the other end for simultaneous communication
Pin 1 connects to Pin 3, Pin 2 to Pin 6, Pin 3 to Pin 1, and Pin 6 to Pin 2
Give all characteristics of the rollover cable
Rollover
Used to connect to a router’s console port for router configuration changes
Each end is wired the exact opposite of the other
Also called Cisco console cables or Yost cables
Give a description of Punch down block
In wiring closets, connects groups of phone or network wires
66 block supports low bandwidth telecommunications transmissions
110 block supports higher bandwidth, data applications
Give a description of the Patch panel
Connection point for drop cables and patch cables
At least one row of RJ-45 connectors (ports)
Drop cables run from the ISP to the connectors
Patch cables run from the panel to network devices
Give a description of the Fiber distribution panel
Enables termination, storage, and splicing of fiber optic cable fibers
Adapters connect the cable to the network
Defintion of Plenum cable
Plenum cable: A grade of cable that does not give off noxious or poisonous gases when burned.
Definition of plenum
Plenum: An air handling space, including ducts and other parts of the HVAC system in a building.
Definition of HVAC
HVAC: (heating, ventilating, and air conditioning) A type of climate control system often found in large commercial or industrial buildings.
Definition of PVC
PVC: (polyvinyl chloride) A flexible rubber-like plastic used to surround some twisted pair cabling.
Give a full description for the Guidelines for Installing Bounded Network Media
Create a network requirements list to follow.
Consider performance factors when selecting network media.
Consider environmental limitations.
Use converters to interconnect different media types.
Follow the 568 Standard for structured cabling.
Use premise wiring components properly.
Use plenum cable when required and PVC in non-plenum spaces.
Be aware of equipment limitations and their effects.
Ensure compatibility requirements are met.
Use a wiring closet.
Provide adequate power to the wiring closet, and protect against power quality issues and outages.
Use rack systems in wiring closets.
Use good cable management techniques.
Keep patch panels and cables orderly.
Use labeling on cables for ease in tracing wiring paths.
