ADIX-VS Technical Manual
Section 1 – Introduction
18
Grounding Requirements
The ADIX-VS system is a sound and reliable communications system that is not inherently subject to
ground related problems. The ADIX-VS is, however, a sophisticated electronic CPU-controlled
product that is susceptible to environmental factors that will and can affect system performance and
component integrity.
The ADIX-VS system must be connected to an effective earth ground potential for proper system
operation. The system must be properly grounded to dissipate external environmental and electrical
interference such as static discharge, radio frequency interference, electromagnetic interference,
electrical surges, lightning surges, and transient high voltage.
This is particularly important in any installation that has off premise cabling, station repeaters, feeder
cables, underground cables and multi-vendor, multi-product installations. All products and
equipment connected or integrated to the ADIX-VS system must be grounded to the same ground
potential.
Items to consider when grounding the system:
Request isolated ground receptacles for all telephone equipment in new construction.
Any rise in ground potential, or power induction of electrical current induced in twisted pair
telephone cable when using feeder cables will not be properly drained if the system is not
grounded.
Any transient rise in ground and voltage potential due to lightning or commercial electrical surge
will not be properly drained if the system is not grounded.
The shortest and most direct path to ground provides a lower impedance connection (resistive
and inductive) to earth.
Ground all equipment that is connected to the ADIX-VS system. This will provide improved
ground equalization between products in a multi-product installation.
Equipment will be damaged to some degree if the system is subject to adverse electrical surges or
spikes if the equipment is not grounded.
Effective ground reference is important in multi-product installations to prevent ground loops
from occurring.
Important:
All grounding used in the ADIX-VS System installation shall comply with the standards
defined in National Electrical Code, NFPA 70, Article 250, and the Telecommunication Industry
Association / Electrical Industry Association (TIA/ EIA) Telecommunications Ground Procedures,
Article 607, including cabinets, feeder cables, network connections, and off-premise stations.
Copies of
the TIA / EIA, Article 607 may be purchased by contacting the EIA Standards Sales Office, at
202-457-4966.
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