Chp 5 Flashcards
Horizontal Cabling system design purpose
to minimize building maintenance costs over time by installing a flexible design with standardized parts and robust support for current technologies
RCDD is responsible for first planning and designing a thorough _______ system that can be used for the duration of the building’s lifetime
pathway
MUTOA
multi-user telecom outlet assembly
CP
connection points
2 most critical design components for a system that can accommodate many applications/tenants
MUTOAs and CPs
Horizontal Cabling topology
star
Minimum required number of TOs per work station/work area
2
How to determine minimum number of required TOs/work area?
Specific to client’s application and the number of devices requiring network connectivity. Standard is 2 because 1- voice and 2- data
Min. # of TOs required when fiber is utilized for data at each work station
2
because with current technologies, if a new tenant were to occupy the space, it is unlikely they would have fiber capable equipment, and therefore would need these TOs
3 exceptions to using physical star topology
1- CPs and MUTOA are used in the horizontal cabling configuration
2- a TP is required to connect to under-carpet cabling
3- centralized fiber optic cabling configuration is implemented from the MC (CD) to work areas
Transmission channel in horizontal cabling consists of
1- permanent link cabling
2- required patch, equipment, and interconnection cords
3- the connection points
Max # of connection points in transmission channel in horizontal cabling
4
Max # of connection points in permanent link
3
RJ-21 connectors have ___ pairs and can only be used with ____________
25,
special/factory/pre-terminated patch cords
Electromagnetic field topics
Interferance
Compatibility
EMC is determined by
if a system is functional given the EMIs present. The allowable emissions and standards put in place to acheive system immunity allow EMC to have a measurement
EMI classifications
Transient or continuous Natural Electric field/magnetic field Intentional or unintentional Desirable or undesirable
The increase in the _____ of cables has lead to the standard minimum conduit size to be 1in
O.D.