Attero Tech unD4I-L-C 4 Channel Mic/Line Input Interface w/Logic I/O, PoE or 24 VDC

The unD4I-L from Attero Tech is a 4-input Dante® interface that allows you to add mic/line inputs to a Dante system. The addition of the 4 logic inputs/outputs (I/O) enables easy interfacing with microphone switches and indicator LEDs. It features 4 balanced mic/line inputs, each with software-selectable +48 V phantom power and 8 gain levels.

Front panel indicators show each channel's gain and phantom power status for easy troubleshooting. It includes 2 network connections to allow Dante daisy chaining, which further enables simplification of system infrastructure wiring by allowing multiple unD4I-L units (additional units sold separately) to use a single Cat5 home run connection to a network switch. Additionally and conveniently, power can also be daisy-chained, plus the device can be powered via either external +24 VDC 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

unD4I-L Key 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
• Supports AES67 interoperability mode
• Configurable networking options - daisy chain or dedicated control port
• 802.3af-compliant PoE powered to work with any compliant PoE network switch, or an external +24VDC supply
• +48 V 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
• (4) Logic inputs accept dry contact closure, opto, or open collector inputs and can send UDP status messages to connected DSPs or control
• (4) Logic Outputs with source/sink capability for LEDs

Specifications

• Analog inputs:
  • Type: Balanced and RF filtered 3-pin depluggable
  • Mic/Line Gains: -12 dB, 0 dB, 3 dB, 15 dB, 18 dB, 30 dB, 33 dB, 45 dB
  • Impedence: > 1.8 kΩ at any gain setting
• Phantom Power: +48 V, software-selectable
• EIN (Mic mode): -115 dBu (+45 dB gain)
• Maximum Input Levels:
  • +8 dBu @ 0 dB gain
  • -7 dBu @ +15 dB gain
  • -22 dBu @ +30 dB gain
  • -37 dBu @ +45 dB gain
• Frequency Response: +/- 1 dB, 20 Hz to 20 kHz
• System THD: < 0.01% at any gain
• Logic inputs: 0-3.3 VDC input range, can indicate both hi/low and analog range
• Logic outputs: 25 mA source current @ 5 VDC, 50 mA sink current from up to 24 VDC
• Power Supply: 24 VDC wall-wart or PoE
• PoE Class: Class 0 802.3af PoE PD compliant
• Power Consumption: Less than 4 W
• Dimensions: 8.32" W x 1.50" H x 4.74" D
• Certifications:
  • FCC CFR 47 Part 15 Class A
  • CE (EN55022 Class A)
• Operating Temperature: 0 °C - 40 °C
• Note: further information can be found within the items located under the "Documentation" tab above.