Technical Requirements -
Telephone/Data Spaces & Cable Pathways
2) Lighting fixtures should not be powered from the same electrical
distribution panel as the telephone/data equipment or service
receptacles.
2. Telephone Equipment Room (Power and Lighting)
A. Emergency Power
Provide an electrical panel in the telephone equipment room with a full
capacity isolated neutral bus and isolated ground (IG) bus connected to the
emergency power supply. The panel shall provide 208/120 VAC, three (3)
phase, four (4) wire circuits. The current rating of the panel and number and
size of the circuit breakers, circuits and receptacles, etc. will be determined
by the requirements of the switching equipment. Receptacles, circuits and
panels shall be of the isolated ground (IG) type.
B. 120 VAC Service Receptacles
Install a minimum of one 120 VAC duplex receptacle on each wall surface
and every 8 feet minimum to be used for service and test equipment, etc.
C. Grounding
Provide access to the telecommunications grounding system as specified by
ANSI/TIA/EIA-607, connected by #6 AWG copper wire to the building
grounding electrode.
D. Overhead Lighting
Provide sufficient overhead lighting, located to avoid undesirable shadows,
to give an average of 30 to 50 foot candles of illumination at desk elevation.
An "on/off" switch shall be mounted on the wall adjacent to the door. Lighting
fixtures shall be connected to the emergency power system, if emergency
power is present and shall not be attached to the above power panel. If
fluorescent lighting fixtures are provided, they must be either louvered or lens
type.
3. Telephone Console Room (Power and Lighting)
A. Emergency Po er
w
All receptacles for consoles and related ADP equipment, and room lighting
shall be connected to an emergency power circuit if emergency power is
present. Receptacles, circuits and panels shall be of the isolated ground (IG)
type.
B. 120 VAC Service Re eptacles
c
Install a minimum of one 120 VAC duplex receptacle every 8 feet with at
least one conveniently located in each wall to be used for service and test
equipment, etc.
VBA Design Guide
Page 4-29
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