Attero Tech UND4I-L 4 Channel Input Dante Networked Audio Interface with Logic I/O PoE or 24VDC

ITEM #: ATEC-UND4I-L MFG #: UND4I-L

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UND4I-L - Overview

The Attero Tech unD4I-L four input Dante™ interface is the ideal device for adding mic/line inputs to a Dante™ system. The addition of four logic outputs allows easy interface with microphone switches and indicator LEDs. The unD4I-L features four balanced mic/line inputs, each with software selectable +48V phantom power and 8 gain levels. Front panel indicators show each channel's gain and phantom power status for easy troubleshooting. The unD4I-L has two network connections to allow Dante™ Daisy Chaining. Dante™ Daisy Chaining further simplifies system infrastructure wiring by allowing multiple unD4I-Ls to use a single CAT 5 home run connection to a network switch. Power can also be daisy chained. The unD4I-L is powered by either external +24VDC or any PoE network switch. All adjustable parameters, like mic/line gain and phantom power, are software controlled.

Applications:
Hotel ballrooms
Conference/meeting centers
Conference rooms
Sports facilities
Convention centers
Houses of Worship

  • Features:

    • 4 balanced and RF filtered mic/line inputs on 3-pin depluggable connectors
    • 8 mic/line gains to accommodate any analog input level. Gain is individually adjustable per channel via software
    • 802.3af compliant PoE powered to work with any compliant PoE network switch, or an external +24VDC supply
    • +48V Phantom power switchable per channel via software
    • ID function of the Power LED allows easy identification of the unD4I-L with which Attero Tech's Unify software is communicating
    • Dante™ Daisy Chaining allows multiple unD4I-Ls to be connected over a single home-run to the Ethernet switch
    • Four Logic inputs accept dry contact closure, opto, or open collector inputs and can send UDP status messages to connected DSPs or control
    • Four Logic Outputs with source/sink capability for LEDs
     

  • Specifications:

    • Mic/Line Input Type: Balanced and RF filtered
    • Phantom Power: +48V, software selectable
    • Mic/Line Gain: 0dB, +15dB, +30dB, and +45dB, all software selectable. 12dB pad, software selectable
    • Input Impedance: >1.8K ohms at any gain setting
    • Equivalent Input Noise: -115dBu (+45dB gain)
    • Maximum Input Levels: +8dBu @ 0dB gain, -7dBu @ +15dB gain, -22dBu @ +30dB gain, and -37dBu @ +45dB gain without 12dB pad. With 12dB pad, maximum input levels are 12dB higher
    • System THD: <.02% at any gain, input signal 3dB below maximum
    • Frequency Response: 20Hz - 20kHz, +/-1dB
    • Logic Inputs: 0-3.3VDC input range, can indicate both hi/low and analog range
    • Logic Outputs: 10mA source current @ 3VDC, 50mA sink current
    • from 5VDC up to 24VDC
    • PoE Class: Class 0 802.3af PoE PD compliant
    • Certifications: FCC Part 15 Class A, CE (EN 55022 Class A)
    • Dimensions: 8.32" W x 1.50" H x 4.74"
    • Operating Temperature: 0°C - 40°C
     

Required Accessories

UND4I-L - Required Accessories

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