SM-III Plus – Silence Monitor

Categories: , SKU: 7e7e69ea3384


Discontinued. Please see the Silence Sentinel Standard.

  • Transparent stereo or dual monaural program switcher with front panel switcher transfer switch and indicator LED.
  • Dipswitch selection of silence detection of -23, -25, -35 and -45db
  • Precise time delay from 2 seconds to 85 minutes
  • Precise restore timing delay from off to 42 minutes
  • May be configured for stereo or dual independent monaural operation
  • Active balanced inputs
  • Front panel switcher transfer switch
  • Front panel “Mute” switch with built-in sonalert and remote defeat input
  • Front panel “Manual/Automatic” switch with front panel LED, remote input and relay
  • Front Panel Alarm “Reset” switch, Tripped LED and relay
  • External (“Ext”) alarm input with front panel indicator and relay
  • Front Panel Power LED
  • Two independent audio alarm relays
  • Two pulse open collector alarm outputs
  • Auxiliary SPDT relay with user configuration of pulse and
  • Plug-in euroblock screw terminals
  • The SM III Plus may be set on a desktop, mounted on a wall or optional RA-1 rack shelf for mounting up to three units in 1-RU