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25U > Identifying Types Of Cables And Connectors > Flashcards

Identifying Types Of Cables And Connectors Flashcards

1
Q

Coaxial cable

A

Coax

Contains a center conductor made of copper. Surrounded by plastic jacket

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2
Q

Twisted Pair Cable

A

Multiple individually insulated wires twisted together

2 types. STP UTP

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3
Q

STP

A

Shielded twisted pair cables

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4
Q

UTP

A

Unshieded twisted pair cables.
10BaseT
100BaseTX
1000BaseTX

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5
Q

Plenum

A

Space between floors of multistory buildings.

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6
Q

Ethernet Cable Description

A

Describe with code: NX
Ex. 100BaseX
-the 100 tells us transmission speed is 100MB

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7
Q

Category 1

A

2 twisted wire pairs (4wires)

Referred as plain old telephone service (POTS)

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8
Q

Category 5

A

4 twisted wired pairs (8 wires)

Rates for 100 MHz

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9
Q

Category 6a

A

Augmented
Characterized to 500 MHz
Improve crosstalk characteristics
Allowed 10GBaseT to run for 100 meters

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10
Q

Connecting UTP

A

Used with UTP Cable

RJ-45

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11
Q

RJ-45

A 
4 pairs (8 wires)
White orange
Orange
White green 
Blue
White blue
Green
White brown
Brown
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12
Q

Fiber optic Cable

A

Immune to EMI and RFI

transmits digital signals using light pulses

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13
Q

Single Mode Fiber

A

SMF
spanning longer distance
Transmits data 50x further than multimode fiber at a faster rate

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14
Q

Multi mode Fiber

A

MMF
Used for shorter distance applications
Different # of light rays used

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15
Q

Fiber optic connectors

A 
Straight tip (ST)
Subscriber (square) connector (SC)
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16
Q

Straight Tip

A

St

Uses BNC

17
Q

Subscriber (square) connector

A

SC

Last for 1000 Mating

18
Q

Small form factor fiber optic

A

(LC) Local connector

19
Q

Universal Serial Bus

A

USB

Can connect a total of 127 external devices

20
Q

Transmission speeds

A

In distribution and access areas, where users connect to switches
Typically 100Mbps per connection

21
Q

Deciding factors of Cable choosing

A

Distance between components

Topology if a network

22
Q

Single mode Fiber to Ethernet

A

Convert signal from Ethernet and single mod

Accept Fiber and Ethernet connector

23
Q

Wiring standards

A

568A

568B

24
Q

568A

A 
g
G
o
B
b
O 
br
BR
(In class)
25
Q

568B

A 
o
O
g
B
b
G
br
BR
26
Q

Crossover Cable

A

Connects like devices
Connects pins 1 to 3 and 2 to 6
Used in Ethernet UTP Installations

27
Q

Straight through Cable

A

Connects unlike devices

25U (6 decks)

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