Ch. 3 - ITS Cables & Connecting Hardware.csv Flashcards Preview

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Flashcards in Ch. 3 - ITS Cables & Connecting Hardware.csv Deck (33):
2

Work Area components include:

Telecommunications outlet/connector
Work area cable
Optional MUTOA
Work area equipment
(3-1)

3

BICSI recommends using ________ cable as the minimum performance level for horizontal balanced twisted-pair cabling.

CAT6/class E
(3-3)

4

ISO CAT 3/Class C balanced twisted pair cabling has a frequency characterization of:

16 MHz
(3-3)

5

ISO CAT 5/Class D balanced twisted pair cabling has a frequency characterization of:

100 MHz
(3-3)

6

TIA CAT5e balanced twisted-pair cabling has a frequency characterization of:

??
(3-3)

7

ISO CAT 6/Class E balanced twisted pair cabling has a frequency characterization of:

250 MHz
(3-3)

8

ISO CAT 6a/Class Ea balanced twisted pair cabling has a frequency characterization of:

500 MHz
(3-3)

9

TIA CAT6A balanced twisted-pair cabling has a frequency characterization of:

500?
(3-3)

10

ISO class Ea balanced-twisted pair cabling is the equivalent of TIA Category _______ twisted-pair cabling.

6A
(3-3)

11

Balanced twisted-pair cable has conductor sizes of:

22-26 AWG
(3-4)

12

Pic of screened twisted pair - Figue 3.1

Identify foil shield and drain wire
(3-4)

13

For balanced twisted-pair cabling, ______ transmission parameters depend on the physical nature of the conductor (materials and wire gauge).

Primary
(3-6)

14

Two common style of screening types

Foil & Braid
(3-8)

15

For balanced twisted-pair cable, the purpose of a screen is to:

Provide physical protection
Minimize the effect of external EMI on the pairs
Reduce the level of radiated signal from the cable
(3-9)

16

Balanced twisted pair patch cords have stranded conductors for added flexibility but:

experience 20-50% more attenuation than solid conductors
(3-12)

17

Single-ended equipment cords typically attach from:

One piece of equipment directly to the back or bottom of connecting hardware.
(3-14)

18

Double ended patch cords typically attach from:

One piece of connecting hardware directly to another piece of connecting hardware.
(3-14)

19

MM fiber =

50 or 62.5 um core & 125 um cladding
distances up to 6,560'
supports common wavelengths 850nm & 1300nm
(3-18)

20

SM fiber =

8-11 um core
distances up to 9,840'
supports common wavelengths 1310nm, 1490nm & 1550nm
(3-18)

21

Optical fiber attenuation is directly proportional to:

length
(3-23)

22

*Optical fiber bandwidth performance-OM4

-50/125 um
-3500 MHz @ 850nm OFL (overfilled launch)
-4700 MHz @ 850nm RML (restricted mode launch)
-500 MHz @ 1300nm
(3-25)

23

A tight-buffered optical fiber cable's typical applications are:

-Short reach, high bit-rate systems for telephony
-Distribution & local networks for voice, data and video
-Premises intra-building and inter-building installations, includes LAN's, SAN's, data centers, PBX's, video and various multiplexing uses.
-OSP tel

24

Singlemode cables =

extended distances, 10 Gigait Ethernet
(3-26)

25

____ modular connectors are used primarily for telephones and modem line cords.

6P6C
(3-44)

26

______ modular connectors are used primarily for data communication line and patch cords.

8P8C (8 position & 8 contact), also referred as RJ-45 connector
(3-44)

27

Rack mounted hardware is installed in standard _____ or ______ racks or cabinets.

19" or 23"
(3-90)

28

If the desired end equipment is not equipped with the connector chosen from the cabling system, use ________

hybrid optical fiber patch cord assemblies
(3-92)

29

_______ in a unit of measure expressed in ohms and represents the total opposition a connector offers to the flow of alternating current.

Impedance
(3-98)

30

______ is the decrease in magnitude of the transmission signal's strength in a connector.

Attenuation
(3-98)

31

Telecom outlet/connector describes:

a connecting device in the work area on which horizontal cable or outlet cable terminates. (not to be confused with telecom outlet box)

32

_________ modular connectors are used primarily for telephone handset cords.

4P4C
(3-44)

33

Optical fiber attenuation is measured in _______, depends on the optical fiber attenuation factor, which is expressed in ________, and is affected by the wavelength of the light comprising the pulse.

dB;MHZ??
(3-23)

34

_________ modular connectors are used primarily for telephones and modem line cords.

??
(3-44)