unD4I / unD4I-L
User Manual
Attero Tech LLC 2015
Page 25
614-00020-06
7 – Device Specifications
Dante Network
Physical Level:
Standard Ethernet
Connector:
Single RJ-45
Cable Quality:
CAT-5
Transmission Speed:
100 Mbps
Power Requirements
Class 0 802.3af PoE PD
compliant
+24V DC
Power Consumption
4.9W Max (unD4I)
10W Max (unD4I-L, all
logic outputs active in
sink mode supplied
interfaced to onboard
24V logic supply)
4.9W Max (unD4I-L
w/no active logic I/O)
Dimensions
8.32” W x 1.50” H x
4.74” D
Weight
1.7lbs
Compliance
FCC CFR 47 Parts 15B
ICES-003
CE (EN55022)
RoHS
Audio Inputs
Input Type:
Balanced and RF filtered
Gain:
0dB, +15dB, +30dB and
+45dB, software selectable
12dB pad, software
selectable
Input Impedance:
>1.8K ohms at any gain
Maximum Input Levels:
+8dbu @ 0dB gain,
-7dBu @ +15dB gain,
-22dBu @ +30db gain
-37dBu @ +45dB gain
without pad
With 12dB pad, maximum
input levels are 12dB higher
Phantom Power:
+48V, software selectable
Audio Performance
EIN:
-115dBu
System THD+N:
<0.02% at any gain, input
signal 3dB below maximum
Frequency Response
20Hz – 20kHz, +/- 1dB
Logic I/O (unD4I-L only)
Inputs
4 Inputs, 0 to 3.3V input
voltage range, software
configurable for analog or
digital operational modes
Outputs
4 Outputs, 50mA sinking
capability
(5V to 24V external supply)
10mA @ 3V sourcing
capability
