The Digital Acoustics IP7-FX – IP Intercom and Paging Amplifier is a flexible PoE enabled (802.3af) module for use in creating IP Audio solutions. The IP7-FX is designed to simplify the selection of an IP Audio module by incorporating the most common features used in designs that require from 1 to 25 watts in either half or full duplex environments. By incorporating these features, the IP7-FX is recommended for new IP Audio designs and can be used as a direct replacement for the IP7-ST/STx, the IP7-SS8/SE8, the IP7-FD or the IP7-SS20. Â
The IP7-FX design IMPROVEMENTS over its predecessors include the following features:
- Shortened the internal audio path and removed redundant electronics which improved the audio clarity
- Included Line Out support (2V peak to peak) for amplifiers driving 25/70V paging systems or powered speakers
- Included 12VDC output for powering line level microphones
- Included 3.3VDC (current limited) output for powering an LED
- Included support for audio output up to 25 watts using 24VDC external power supply
- Included support for half duplex audio using the speaker as both a speaker and microphone (talkback or single transducer mode)
Deployment Scenarios
The IP7-FX can be utilized in the following modes:
- Two-way half-duplex audio using a talkback speaker
- Two-way half-duplex audio using a separate microphone and speaker
- Two-way full-duplex audio with Acoustic Echo Cancellation (AEC) using a separate microphone and speaker
- One-way 8 watt audio paging using PoE or external 12VDC supply (ACCPS-W-18-12)
- One-way 25 watt audio paging using external 24VDC supply (ACCPSMDR-60-24)
Flexible Connections
The IP7-FX supports a variety of analog devices:
- “Mic Level” or “Line Level” microphones or audio devices that support Line In
- 8 Ohm Speakers, analog amplifiers or audio devices that support Line Out
- Momentary contact call buttons
- Integrated dry contact relay for activating door strikes or access control equipment
- Integrated input “sensor” for detecting “door open” or other conditions triggered by a contact closure
The IP7-FX includes a secondary network port to connect another IP device to the network.  The Integrated DIN clip attaches to standard 35mm DIN rail for easy mounting. A surface mount plate is also included.
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