Federal Signal's Model SS2000 is a versatile, user–friendly and economical siren controller that supports one–way communication with the option of two–way communications using DTMF or FSK encoding. Command sequences are programmable and stored in non–volatile memory chips for retention, even when electrical power is disrupted.

Power is supplied by a standard 120VAC wall outlet and can be backed up with a user supplied 12VDC battery and charger.

The Model SS2000 features a four–line backlit liquid crystal display (LCD), full DTMF keypad and 18 user–programmable function keys. Four L.E.D.s are used to indicate the status of the optional printer, radio frequency (RF) carrier detection, key press and one miscellaneous function. A key lock is provided to secure the controller's key pad from unauthorized access.

As a status monitoring device for electronic sirens, the Model SS2000 or SS2000T monitors AC power, intrusion, amplifiers and drivers; operating current, charger, battery and audio A and B lines.

As a status monitoring device for mechanical sirens, the model SS2000 monitors AC power, intrusion, operating current, battery and rotation.

Federal Signal's Model SS2000T DTMF Encoder/Controller or SS200D FSK Encoder offer many extended benefits to any radio controlled signaling device. This unit automatically reports siren/power failures and electronically checks sirens through report–back systems, eliminating the need for personnel at siren sites.