Mackenzie Labs OPM-3SM
Paging System, 3-channel, 1RU


Our Price: $2,160.64
List Price: $2,250.00
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Mackenzie Labs OPM-3SM
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The latest addition to Mackenzie's Overhead Page Management (OPM) series of products - the OPM-3SM - offers increased functionality in a comprehensive system that combines multi-channel page stacking, feedback elimination, pre-recorded messaging and background music control into a single device.

The system’s feedback eliminator makes feedback virtually impossible by opening the loop between the input microphone and speakers. This eliminates the potential for acoustic feedback while giving the user flexibility in the way pages are broadcast.

For busy overhead paging systems, the OPM-3SM offers 3 channels of page stacking and feedback elimination. Each channel can record and temporarily store up to 16 pages or 4 minutes of audio. Page input channels can record simultaneously – even while the system is playing. In the case of emergencies, the OPM-3SM offers a priority input that overrides the stacking and messaging functions to provide immediate, real-time access to the paging system.

For security and general public address messaging, a pre-recorded messaging sub-system is included. Access both Record and Play functions of up to 99 messages (or 8 minutes of audio) from an extension on your host telephone system. Ten start contacts have also been provided to trigger messages from external devices such as sensors or alarms. 

Lastly, the OPM-3SM also includes a background music input, which allows playback of your favorite music source over the paging system. When a page or message is needed, the music will be faded and the announcement will be heard loud and clear.

Mackenzie Labs OPM-3SM Features:

  • 3 channel page stacker & feedback eliminator
  • Priority input
  • Station or Dry Loop/Loop Start operation
  • DTMF support for zoning
  • 99 pre-recorded messages in non-volatile FLASH memory
  • Message triggering via start input or host telephonesystem workstation
  • Industrial construction
  • Background music support
  • Rack mount chassis
  • 1 year warranty standard

Mackenzie Labs OPM-3SM Specifications:

  • Audio:
    • Bandwidth: 100Hz - 8kHz
    • Page Input: 3, RJ connector, Station Port or Dry Loop/Loop Start
    • Priority Input: 1, RJ connector, Station Port or Dry Loop/Loop Start
    • Messaging Input: 1, RJ connector, Station Port or Dry Loop/Loop Start
    • Background Music Input: RCA, Line level input with level control
    • Page output: 1, RJ connector, 8ohm power/600ohm line level (switch selectable), adjustable
  • Page Stacking:
    • Message repeat: Play one or two times, dip selectable
    • Delay between messages: 1s, 3s, 5s, 10s, dip selectable
    • Stack: up to 16 messages per input
    • DTMF: Store/forward, Dip selectable (2, 3 or 4 unlimited tones)
    • Pre-Page Tone: Dip selectable
  • Power:
    • Power Pack: 12vdc, 1amp, UL and CSA
  • Memory:
    • Type: Non-Volatile FLASH
    • Page Stacking: 4 min each page input chanel
    • Messaging: 8 min
  • Message Control:
    • # of Messages: 99
    • Record Control: DTMF control from messaging input
    • Play Control: triggered from DTMF on page input or start contacts (10)
  • Page Control:
    • Priority: Control contact is offered on the Priority Input RJ connector
    • Page Inputs: 3, Page Input RJ connector.
      • Each input answers (loop, audio sense, DTMF)
  • Status Outputs:
    • Playing Contact: Offered on the Page Output RJ connector
    • Record Contact: Offered on each Page Input RJ, as well as the Message Input RJ
  • Package:
    • Chassis: 1U, Rack mount
    • Material: 18 gauge cold rolled steel, painted with silkscreen
    • Weight: 7 lbs.

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