Ch. 5 - Network Cabling Flashcards
Most common twisted pair types
Category (cat) 3, 5, 5e, 6, 6a, and 7
CAT 5e or higher used in modern LANs
Wiring standard specification
TIA/EIA 568
T568A cable pinout
green/ green orange/ blue blue/ orange brown/ brown
T568B cable pinout
orange/ orange green/ blue blue/ green brown/ brown
power for standard PoE devices
15.4 watts
for newer PoE+ devices
25.5 watts
(802.3at standard)
PoE+
PoE requires ____ or better cabling
Cat 5
100 Mbps, 100m distance, cat 5 or better cabling, 2 pair used
100Base-t Fast Ethernet
1000 Mbps, 100m distance, cat 5 or better cabling (5e preferred), 4 pair used
1000Base-T Gigabit Ethernet
10,000 Mbps, 100m distance, cat 6a or 7 or better cabling (7 preferred), 4 pair used
10GBase-T 10-Gigabit Ethernet
SMF (Single Mode Fiber) core size
8-10 microns
MMF (Multimode Fiber) core size
50 or 62.5 microns
MMF connectors are classified by
Classified by the number of fibers
SMF connectors are classified by
Classified by size and shape of the ferrule