Avaya Inc.
Installation and Operation
Model EA20R
Installing the EA20R
Note: The EA20R must be connected to the tip and ring conductors associated with the telephone for which the additional alerting signal is required. The connection may be made either before or after the telephone or it may branch off from a junction box.
•Declassify the hazardous location before proceeding with any installation or electrical wiring.
WARNING
Do not connect this device to any power source other than telephone tip and ring, doing so will destroy the circuitry and void the warranty.
•Follow all appropriate electrical codes and use only approved electrical fittings for the installation.
•Choose a wall location that is free of obstructions and permits space for ½” NPT conduit runs.
•Ensure mounting can support 5 lbs (2.3 kgs) and any additional anticipated load.
•Ensure that none of the electrical connection circuits are live.
•Secure the unit using screws or bolts through the mounting tabs.
•Remove the screw cover.
•Run tip and ring wiring to the unit using appropriate electrical fittings.
•Attach the telephone tip and ring leads to the terminal strip.
•Replace the screw cover ensuring that the faces of the cover and the enclosure are in contact.
•Apply power to the system.
•Test the unit by calling from another unit on the exchange.
See: Figure 3 - Wiring Alternatives
Caution: Installation or electrical wiring in a hazardous location could result in serious injury to personnel or damage to property.
See: Figure 1 - Overall Dimensions
Tip: Use #8 or M4 screws or equivalent bolts to secure the unit to the wall.
See: Figure 2 - Electrical Connections
Maintenance
•Declassify the hazardous location or disconnect the line before proceeding with any maintenance or repairs.
•To maintain hazardous area compliance the only field repair permitted is the replacement of the driver assembly. All other repairs or alterations must be carried out by Avaya or an Authorized Service Depot. See Warranty and
Disclaimer for details.
•When replacing the screw cover ensure that the faces of the cover and the enclosure are in contact.
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