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Music on
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Electrical Interfaces: one modular jack to extension port; one RCA phono jack to audio source
Hold Coupler
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600 Ohm input on RCA jack ranging from 1mV to 4V
Specifications
Environmental
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Mount on a wall at least 2 feet (0.6 meters) from the floor.
Requirements
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Locate within 5 feet (1.5 meters) of the network interface jacks and a properly grounded
electrical outlet not controlled by a switch, using supplied 7-foot (2.1-meter) cords
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For proper ventilation and easy replacement of modules, provide at least 1 foot (0.3 meters)
clearance at the top, bottom, and back and 2 feet (0.6 meters) at the front of the system
module(s).
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Locate in an area free of excess moisture, corrosive gases, dust, and chemicals
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Operating temperature 32° to +104°F (0° to +40°C), not in direct sunlight
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Humidity 15%–90%, noncondensing
Electrical
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U.S. and Canada: 90–130 VAC, 50–60 Hz, 3-prong outlet separate ground, separately fused at
Requirements
15 Amps
Other countries: 90–264 VAC, fused at 10 Amps
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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 product 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.
Requirements for
Installation of a telephone or other standard (tip/ring) device in another building on continuous
Out-of-Building
property requires the following:
Extensions
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System phone: two AT&T IROB protectors, plus carbon block protection or gas tube protection
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Standard device: one AT&T IROB protector or one AT&T OPRE, plus carbon block protection or
gas tube protection
Wiring
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System phones: AT&T SYSTIMAX® Bulk Nonplenum (DIW) cable, AT&T SYSTIMAX Bulk
Plenum (HALAR/HALAR) cable, or at least 2-pair (4-wire) star (“home run” not “loop”)
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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
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Range: 1,000 feet (305 meters) for system phones; 3,000 feet (915 meters) for standard
devices; or 17,000 feet (5,182 meters) for a standard touch-tone phone with an AT&T OPRE
Safety
U.S.: Meets UL 1459 Issue 2
Requirements
Canada: Meets CSA C22.2, 225
All other countries: Meets IEC950 Second Edition and EN60950 Second Edition
B-2 Specifications