- “External Ext” alarm trigger input with front panel LED indicator. - Front Panel Power/Heartbeat LED. - Dipswitch selection of silence detection of -20, -25, -30 and -35dB below zero reference. - Dipswitch selection of reverse polarity (out of phase) detection. - Dipswitch selection of alarm time delay from OFF to 8 minutes, 30 seconds in 2 second increments or 85 minutes in 20 second increments. - Dipswitch selection of restore timing . . .

Read More

– “External Ext” alarm trigger input with front panel LED indicator.
– Front Panel Power/Heartbeat LED.
– Dipswitch selection of silence detection of -20, -25, -30 and -35dB below zero reference.
– Dipswitch selection of reverse polarity (out of phase) detection.
– Dipswitch selection of alarm time delay from OFF to 8 minutes, 30 seconds in 2 second increments or 85 minutes in 20 second increments.
– Dipswitch selection of restore timing delay from OFF to 21 minutes in 20 second increments.
– Audio switching via mechanical latching sealed relays utilizing 2-form-C bifurcated – crossbar silver alloy with gold overlay contacts.
– Two independent SPDT alarm relays and LED indicators.
– Two pulse open collector alarm outputs.
– Active balanced stereo input level monitoring.
– Logic functions via microprocessor and non-volatile memory.
– Plug-in euroblock screw terminals, mating plugs supplied.
– Fully RFI proofed.
– Surge protected internal power supply, PS-1515 universal switching +/-15VDC power supply with domestic connectors supplied. International AC connectors optional.
– Each unit may be set on a desktop, mounted on a wall or rack-mounted with the optional RA-1 rack shelf for mounting up to three units in 1-RU.

Read Less