Guide for JATC Telecom Y1 Q&A 100%
Solved
The speed at which data is transferred from one device to another. -
✔✔Data Transfer Rate
Bandwidth - ✔✔The width of a communication channel, measured in MB
p/s. It is the potential capacity of a medium, device or system.
UTP - ✔✔Unshielded Twisted Pair (4 Pair)
Attenuation (Loss of Signal Strength) - ✔✔The reduction of optical power
as it propagates through an optical fiber.
Near End/Far End Cross Talk (NEXT/FEXT) - ✔✔The undesired coupling
of signal energy from a transmitting pair to a receiving pair.
Permanent Link - ✔✔Consists of up to 90 m. of horizontal cabling, a
connection at each end, up to 2 m. of test equipment cord from the main
unit of the field connector to the local connection, and up to 2 m. of test
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, equipment cord from the remote connection to the remote unit of the field
tester.
Insertion Loss/Attenuation - ✔✔A measure of how much a signal is
reduced in amplitude or strength as it is carried over a twisted pair or fiber.
Channel (including patch cords) - ✔✔Consists of up to 90 m. of horizontal
cabling, a work area equipment cord, a telecommunications outlet, an
optional consolidation connection close to the work area, and 2 cross
connections in the telecom room.
Performance requirements of Cat. 3 cables - ✔✔16 MHz
Performance requirement for Cat. 5 cables - ✔✔100 MHz
Performance requirements for Cat. 5e cables - ✔✔100 MHz
Performance requirements for Cat. 6 cables - ✔✔250 MHz
Performance requirements for Cat. 6e cables - ✔✔250 MHz
Performance requirements for Cat. 6a cables - ✔✔500 MHz
Amount of pairs in a binder group of a multi-pair UTP backbone cable -
✔✔25
Within a 300 pair UTP backbone cable, there are ____ binder groups. -
✔✔12 (300/25)
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