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Avaya EA20R User Manual

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Avaya Inc.

Installation and Operation

Model EA20R

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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