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Table 1-1 Technical and Environmental Specifications (cont.)
Electrical
●
90-130 VAC, 50-60 Hz, 3-prong outlet separate ground, separately fused at 15 amps
Requirements
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Outlet must not be controlled by an on/off switch
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Grounding to comply with Underwriters Laboratories (UL) 1459:
A. An insulated grounding conductor that is not smaller in size and equivalent in insulation material and
thickness to the grounded and ungrounded branch circuit supply conductors, except that it is green
with or without one or more yellow stripes, is to be installed as part of the circuit that supplies the pro-
duct or system.
B. The grounding conductor mentioned in item A is to be connected to ground at the service equipment.
C. The attachment-plug receptacles in the vicinity of the product or system are all to be of a grounding
type, and the grounding conductors serving these receptacles are to be connected to earth ground at
the service equipment.
Wiring
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MLS-model phones: AT&T SYSTIMAX
TM
or at least 2-pair (4-wire) star (“home run” not “loop”)
●
Other standard telecommunications equipment (single-line phones, fax machines, answering
machines, etc.): 1-pair (2-wire) mounting cords (AT&T D2R mounting cords recommended)
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Bridging adapter: AT&T 267F2
●
Range: 1,000 feet (305 meters) for MLS phones; 3,000 feet (915 meters) for standard dev-
ices
Local Phone
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FCC registration number: AS5 USA-61630-KF-E
Company
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REN outside line jack: 0.9A per line jack
Information
●
REN (PARTNER phone): 0 (zero)
● Jack type: RJ11C
● Loop start lines
System Components and Specifications 1-5