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Summary COS2626 exam prep - ALL chapters covered
- Institution
- University Of South Africa (Unisa)
Contains summary of all chapters in prescribed book
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COS 2626,2 Network infrastructure & Documentation
of structured
Components cabling :
Organizations tend to follow a
single cabling standard formulated by (
TIA Telecommunications Industry )
Asso
and it 's former parent company EIA ( electronic industry Alliance) .
This standard is called
structured cabling .
From dem arc to Workstation ( Network begins at denaro and ends at workstation )
••
Entrance
facility
entrance facility is the location where
incoming network connects with school )corporate network .
Demarco device where telecommunications network
= marks a service providers ends
and the network begins
organizations .
for
MDF -
Centralized point of interconnection an
organizations LANIWAN .
to
Data room
IDF ( intermedia distribution frame) provides an interconnection between the MDF and
each floor of
end -
user
equipment on
buildings .
•
Work areas
"
"
devices to data
work
encompasses everything necessary to connect these
-
area a room .
" "
The TIAIEIA standard for
Wall
jacks calls each wall
jack to contain atleast
one voice and one data outlet .
, Cabling
( some thin and some thick with insolation)
very
Types of cables
structured cabling standards allow for three basic types of cable installations .
Patch cable =
relatively short length of cabling with connectors at both ends .
Horizontal that connects workstations to closest data and switches
cabling
=
Cabling room
housed in the room .
( MAX )
100m
Backbone cabling = consists of the cables or wireless links that
provides interconnection
between the entrance facility and MDF and between MDF and IDF .
Cable management
•
termination •
protect cables
•
bend radius •
Slack in cables
Verify continuity Cable
trays
•
.
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