Avaya EA20R User Manual
Page 3
Avaya Inc.
Installation and Operation
Model EA20R
Page 3
Overview
EA20R Explosive Atmosphere Line Powered Telephone Ringer
The EA20R is an Industrial Telephone Ringer designed to provide safe, reliable service in hazardous
areas. It is telephone line powered requiring no additional source of power. The unit is housed in a
rugged, weather and corrosion resistant enclosure that ensures operation in severe conditions.
The EA20R responds to an incoming ringing signal of 42 to 110 VAC at 16 to 25 Hz.
Features
Enclosure
• cast copper free aluminum, powder coated
Flame Arrestor
• Sintered
Bronze
Sound Levels
• Greater than 85dB at one meter
Compatibility
• Compatible with any telephone system having ringing voltage,
frequency and power available within the specified range
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