Instruction/ maintenance manual of the product EA20R Avaya
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Avaya Inc. 211 Mt. Airy Road Basking Ridge NJ 07920 P005982 Rev. A 1 1/13/2003 5:25 PM Explosive Atmosphere Line Powered Telephone Ringer Model EA20R Installation and Operation WARNING: TO REDUCE THE RISK OF IGNITION OF HAZARDOUS ATMOSPHERES, DISCONNECT FROM SUPPLY CIRCUIT BEFO R E OP EN ING.
Avaya Inc. Installation and Operation Model EA20R Page 2 Table of Contents Package Contents ...................................................................................................... 2 Overview .............................................
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.
Avaya Inc. Installation and Operation Model EA20R Page 4 Figure 1 - Overall Dimensions Figure 2 - Electrical Connections TIP RING 1/2" NPT CONDU IT ENTRANCES WARNING: TO RE DUCE THE RISK OF IGNITION OF HA ZARDOUS ATMOSPHERES, DISCONNECT FROM SUPPL Y CIRCUIT BEFORE OP ENING.
Avaya Inc. Installation and Operation Model EA20R Page 5 J UNCT I ON TI P & RI NG TELEPH O N E EA2 0 R TELEPHO NE TELEPHO NE EA2 0R BO X EA2 0R Figure 3 - Wiring Alternatives.
Avaya Inc. Installation and Operation Model EA20R Page 6 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.
Avaya Inc. Installation and Operation Model EA20R Page 7 Engineering Specifications Electrical Performance R INGER O UTPUT 85 +/- 3 dB I MPEDANCE 600 O HMS N OMIN AL M AXIMUM L OOP 15,000 FT (4,500 M ) of 22 AWG C OPPER R INGER E QUIVALENCE N UMBER (REN) 0.
Avaya Inc. Installation and Operation Model EA20R Page 8 Warranty Avaya warrants your product to be free of defects in material and workmanship for a period of one year.
Avaya Inc. Installation and Operation Model EA20R Page 9 Avaya Product Return Avaya products have been quality tested and are in full working order when shipped from the factory, given the rugged nature of these products shipping is not expected to damage a unit.
Avaya Inc. Installation and Operation Model EA20R Page 10 Notes: Model No. Part No. Serial No. Date of Purchase.
Avaya Inc. Installation and Operation Model EA20R Page 11.
Avaya Inc. 211 Mt. Airy Road Basking Ridge, NJ 07920 Toll-free: 1-866-GOAVAYA (1-866-462-8292) Outside the US: +1-908-953-6000 www.avaya.com © Avaya Inc.
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