EX'!IR XR-T8205 Tone Ringer GENERAL DESCRIPTION The XR-TB205 Tone Ringer is primarily intended as a replacement for the mechanical telephone bell.
The device can be powered directly from telephone AC ringing voltage or from a separate DC supply.
An adjustable trigger level is provided with an external resistor.
The XR-TB205 is designed for nominal 15 volt operation and is available in an 8 pin D IL package.
FUNCTIONAL BLOCK DIAGRAM • FEATURES Low Supply Current Operates Directly From Telephone Line Provides Single or Dual Tone Frequencies to Simulate Mechanical Bell Operates from 15 to 30 Volts Pin-to-Pin Compatible with MITEL ML8205 APPLICATIONS Electronic Telephones Alarm or Other A...

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