Physical Media Flashcards
(31 cards)
Data Terminal Equipment (DTE)
Endpoint devices that connect to a piece of data communications equipment or DCE
Data Communications Equipment (DCE)
Router, switch, ect
Wiring scheme for 568B
Medium Dependent Interface Crossover (MDIX)
Automated way to electronically simulate a crossover cable connector even if using a straight-through
Define Single Mode Fiber (SMF)
*Longer distances and has
*Smaller core size
*SIngle mode of travel for the light signal.
Define Multi Mode Fiber (MMF)
*Used for shorter distances
*Has larger core size
*Allows for multiple modes of travel for the light signal
What is Half-Duplex mode?
Device can listen or talk, but not at the same time.
What is Full-Duplex mode?
Device can listen and talk at the same time.
Which Ethernet standard maximum cable length is less than 100 meters?
CAT 6 at 10GBASE-T
CAT 8
What can a Cable Tester identify?
Breaks
Pinout (straight/cross over)
Multiple types of cable (coax, rj11, ect)
What can a Wire Mapper identify?
Breaks
Pinout with specific types of issues
*Open Pair
*Short Piars
*Short Between pairs
ect
What can a Cable Certifies identify?
CAT type
Length
Throughput
Pinout
What can a Multi Meter identify?
Volts
AMPS
Resistance
Breaks
What can a Tone Generator identify?
Where cables are running
Identify and unlabeled cable run
What can a Time Domain Reflectometer identify?
Breaks in copper
Severity of break
Distance of break
What can an Optical Time Domain Reflectometer identify?
Breaks in fiber
Severity of break
Distance of break
What can a Fiber Light Meter identify?
Attenuation
Optical Link Budget
A calculation that considers al the anticipated losses along the length of a fiber optic connection
10BASE-T
What does the T indicate?
Twisted Pair
CAT 3
10BASE-T
10 Mbps
100 meter
Cat 5
100BASE-T
100 Mbps
100 meter
CAT 5e
1000BASE-T
1000 Mbps
100 meter
CAT 6
1000BASE-T
1000 Mbps
100 meter
-or-
10GBASE-T
10 Gbps
55 meter
CAT 6a
10GBASE-T
10 Gbps
100 meter
