< All CompTIA A+ Notes

Raul | CompTIA A+ | Module 2.2 - Characteristics or Connectors / Cables

By: Raul Pop | Related Course: CompTIA A+ | Published: April 19, 2017 | Modified: April 19, 2017
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NotepadCoaxial Cable

10 BASE 5/10 BASE 2

RG59 television,arcnet

RG6 modern cable,shiElding,more modern,better quality,F connectors

 


NotepadFiber cables single mode vs multi

Fiber- No EMI

No electricity(electromagnetic) interface

1) SMF -Single mode fiber

-single core/data

-50 miles

2) MMF-Multi mode Fiber

-thicker core

-500 meters

 


NotepadFire Safety PVS and Plenum

1)PVS(PVC)

-toxic when burned

-cheap/daily usage

 

1)Plenum

-less fumes

-fire resistant

-more expensive


NotepadTwisted Pair Cable

1)RJ11

-6 pins -2 wire(phone,modems)

2)RJ 45

-8 wire/8 connector


NotepadTwisted Pair Cable RJ45-color

RJ45 has color patters

T  568 A/T 568 B

-UPT

-100 m

 

 


NotepadTwisted Pair Cables-Rj45 Straight,crossover,t2 crossover

1)Straight t568 a—t568a

2) Crossover t568a—t568b

3) T2 Crossover

Pin1-P4

P2 -P5

P4 -P1

P5 -P1

P3,6,8 ARE STRAIGHT IN THE Bot side

 


NotepadTwisted Pair Cables-STP vs UTP

ISP USA——–OFFICE

|

| Fiber optic connection backbone

|

ISP EU

 

Twisted Pair

Protect From EMI

STP vs UTP(Shielded vs Unshielded)

 

 


NotepadTwisted Pair-RJ45 Categories

RJ-45 100 m

 

cat3-10 MB/S 16 MHZ

cat5-100 MB/S 100 MHZ-155 mbs ATM

cat5e-100 mb/s 100 mhz 155 mb/s atm(better cable to use)

cat6-1 gb/s [1000 mb]250 mhz 155 mbs atm

cat6-10 gb/s -550 mhz

 

10 Base T-10 mb/s[ethernet] cat3

100 Base tx-100 mbs[fast ethernet] cat5 cat5e

1000 Base T-1000 mbs[gigabit ethernet) cat5e sometimes ] cat6 cat6e


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