Housing Devices, Inc

Housing Devices, Inc. ADA 121® Audio Visual Alert System (For the Hearing & Visually Impaired)

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1ST NORTHFLOOR

HELP REQUESTED

1ST FLOORSOUTH 2ND FLOOR 3 HELP COMING

2NDELEV FLOOR NORTHLOBBY

RESET HELP

Area Station

HELP REQUESTED

3 HELP COMING Relay Card Cabinet with PUSH Control Board FOR Relay Cards HELP

4 Area Station Battery Back Up Backup Cabinet With

ADA-35 Amplifier HELP REQUESTED ADA-24V transformer 3 Battery Charger HELP COMING Batteries PUSH FOR OR HELP Amplifier Cabinet With ADA – 35 Amplifier

110VAC Power

Terminal Block 1-10 ADJUST SWITCHS 1-3 ON OR OFF TIME Connections FOR DIFFERENT ADJUST ALERT TONES Terminal 1 16 Vac input 1-60 sec. Terminal 2 16 Vac input or 24 Vdc (+) Pos. PHONE Phone 1 TONE Terminal 3 (Not used) ADJUST SWITCHS 1-3 INCOMING ON OR OFF LINE Terminal 4 Doorbell switch connection FOR DIFFERENT ALERT TONES Terminal 5 Doorbell switch connection

Terminal 6 Apartment Station Connection (Black wire) DOOR Phone 2 Terminal 7 Apartment Station Connection (Blue wire) TONE TO PHONE Terminal 8 24 Vdc input (-) Neg 1 2 3 4 5 6 7 8 9 10 Terminal 9 Remote Strobe Connection (+) Pos. Terminal 10 Remote Strobe Connection (-) Neg.

Timer Adjustment Telephone Phone & Door Connection Tone Adjustment The timer adjustment is set Connect the incoming phone The ADA-121 uses 2 DIP by using the round white pot line to the (Phone 1) switches to adjust the mounted on the top right INCOMING LINE RJ 11 sound of the tone for the corner of the circuit board. Modular Jack, Then connect DOOR & PHONE six the line from the telephone to different audio tones can Decrease Increase the (phone 2) TO PHONE RJ be heard by turning Time Time 11 Modular Jack either of the three switches on or off (the volume of the tone is not adjustable) Turn Turn Left Right

Housing Devices, Inc 407 Rear Mystic Ave. Medford, MA 02155 Tel (800) 392-5200 Fax (781) 395-8000 www.housingdevices.com

NOTES Terminal 1 & 2: 1. Maximum Voltage 16 -18 Vac

Terminal 4 & 5: 1. Momentary doorbell buttons only (NO lighted buttons, latching buttons, latching relays, power at the button, chime systems are not compatable