Siren Activation and Monitoring Software

In the changing world of Emergency Management, the emphasis today is on security, bio-terrorism and radiological preparedness.

Reality is that less time and resources are actually being committed. While doing more with less is the operative phrase, the need to have precise, accurate information is essential. Having all of the information "one click away" in real time is imperative. Whelen Engineering has adopted this philosophy, allowing the user to manage their All-Hazards Emergency Warning System through the implementation of S.A.M., our Siren Activation and Monitoring Software Program. Unique only to Whelen is the ability to control and monitor 1 to 10,000 sites in a Windows environment.

Whelen 10 digit DTMF activation protocol is fast, secure and reliable.

Selection of 18 activation commands.

Selection of 1-10 sirens individually.

System "All Call".

Inclined keyboard for easy access and viewing.

Membrane keypad features raised keys with tactile response.

LED indicators illuminate upon key selection.

Command key LED flashes when activation has been sent.

Keyboard on/off switch and LED indicator.

Microphone input and microphone level adjustment.

May be used for mobile applications.

SPECIFICATION DATA

E-747: 18 function encoder permitting individual selection of 1-10 warning sirens or system "all call". Compact desktop design with inclined sealed membrane keyboard. LED key select indicators illuminate upon key selection. Command key LED flashes upon transmission of activation sequence. 12VDC nominal operation, furnished with U.L. listed wall mount transformer. May be used for mobile applications.

PHYSICAL DATA

Height: 2.1"
Width: 6.9"
Depth: 6.7" (including mic plug)
Weight: 1.1 lb.

ELECTRICAL DATA

INPUTS

Power: 12VDC, nominal. The E-747 is furnished with a UL listed 240/120VAC / 12VDC wall mount transformer.

Current: 60 mA 12VDC typical, 150 mA maximum.

Microphone: Ground, Signal, PTT.

Outputs: 4 wire cable, Audio - 2 wires, PTT - 2 wires.

Audio: 2 wire, 600 ohm transformer balanced, output adjustable 0-2vpp.

Control: 2 wire, transmitter PTT.

SIGNALLING

1 N.O. relay contact. Contact Rating: ½a @ 120VAC, 1a @ 12VDC.

DTMF 2 of 8 format, Whelen 10 digit protocol.

REAR PANEL CONTROLS

Transmitter Warmup: 4 selections: 100ms, 500ms, 1 sec. & 2 sec.

DTMF Tone Level: Variable, 0-4vpp.

Microphone Level: Variable, 0-6vpp.

ENVIRONMENTAL DATA

Operating Temperature: -20C to +60C.
Storage Temperature: -40C to +60C.
Humidity: 0-90% non-condensing.