Product Selection Guide

I N T E R C O M S 2645 Federal Signal Dr., University Park, IL 60484 Tel: +1 708.534.4756 Email: [email protected] www.fedsig.com | 343 Note: Not all optional features are available for every model. Please consult factory to confirm model variation availability. Description Optional Feature Call Button, Sends call tone to other intercoms on the same audio line A Master, controls Talk/Listen function of a Slave unit C Slave, allows hands free operation, default Talk mode D Foot Pedal Ready, hands free operation of the Talk/Listen switch, pedal sold separately (ADFP) -2 Auxiliary Signal, remote call button activated contact closure to activate remote strobe for additional attention gathering* -3 Zoned System Remote, designed to be a remote unit in a zoned system. (Contact factory for zone design assistance) -6 Noise Canceling Microphone Ready, equipped with a jack for hand held microphone sold separately -7 Pre-Amp Equipped, pre-amp to power a remote speaker -8 Remote Volume Control Equipped, equipped with volume control for remote speaker -M44 *LP3 strobe sold separately Atkinson Dynamics Wall Mount Intercoms (AD-26, AD-27, AD-56 and AD-57) Speaker Rating 25 watt Operating Temperature -31°F to 150°F -35°C to 66°C Net Weight 9 lbs 4.08 kg Shipping Weight: AD-26 10.0 lbs 4.54 kg AD-27 10.7 lbs 4.85 kg AD-56 10.0 lbs 4.54 kg AD-57 10.7 lbs 4.85 kg Height 9.88" 251.0 mm Width 6.50" 165.1 mm Depth 5.03" 127.8 mm H O W T O O R D E R Step 1: Specify Base Model AD-26 (12VDC, Wall Mount Intercom) AD-27 (120VAC, Wall Mount Intercom) AD-56 (24VDC, Wall Mount Intercom) AD-57 (240VAC, Wall Mount Intercom) Step 2: Add Optional Features Example Part Number: AD-27A S P E C I F I C A T I O N S O P T I O N A L F E A T U R E S 2.37"/ 60.2 9.88"/ 251.0 mm 5.03"/ 127.8 mm 6.50"/ 165.1 mm 3.88"/ 98.5 mm 3.88"/ 98.5 mm 0.51"/ 12.95 mm