Specifications – Studio Technologies 45DC User Manual
Page 23

Model 45DC User Guide
Issue 1, January 2015
Studio Technologies, Inc.
Page 23
Specifications
Power Sources:
Power-over-Ethernet (PoE): class 3 (medium
power) per IEEE 802.3af
External: 10 to 18 volts DC, 1.0 amp max @
12 volts DC
Network Audio Technology:
Type: Dante Audio-over-Ethernet
Bit Depth: up to 24
Sample Rate: 48 kHz
Number of Input (Receiver) Channels: 2
Number of Output (Transmitter) Channels: 2
Network Interface:
Type: twisted-pair Ethernet, Power-over-Ethernet
(PoE) supported
Data Rate: 100 Mb/s (10 Mb/s Ethernet not
supported)
General Audio:
Frequency Response (PL to Dante): –0.3 dB @
100 Hz (–4.8 dB @ 20 Hz), –2 dB @ 8 kHz (–2.6 dB
@ 10 kHz)
Frequency Response (Dante to PL): –3.3 dB @
100 Hz (–19 dB @ 20 Hz), –3.9 dB @ 8 kHz
(–5.8 dB @ 10 kHz)
Distortion (THD+N): <0.01%, measured at 1 kHz,
Dante input to PL interface pin 3
Signal-to-Noise Ratio: >73 dB, A-weighted, mea-
sured at 1 kHz, Dante input to PL interface pin 3
Party-Line (PL) Intercom Interface: 2
Type: single-channel PL (pin 1 common; pin 2 DC;
pin 3 unbalanced analog audio)
Compatibility: single-channel PL intercom sys-
tems such as those offered by Clear-Com® and
ASL
Power Source, Pin 2: 28 volts DC, 150 mA
maximum
Impedance, pin 3 – Local Power Not Enabled:
>10 k ohms
Impedance, pin 3 – Local Power Enabled:
200 ohms
Analog Audio Level: –14 dBu, nominal, +7 dBu
maximum
Call Light Signal Support: DC voltage on pin 3;
detect @ >5 Vdc nominal; generate @ 16 Vdc
nominal
Mic Kill Signal Support – Local Power Enabled:
momentary break in DC voltage on pin 2
Party-Line (PL) Hybrids: 2
Topology: 3-section analog circuitry compensates
for resistive, inductive, and capacitive loads
Nulling Method: automatic upon user initiation,
processor implements digital control of analog
circuitry; settings stored in non-volatile memory
Nulling Line Impedance Range: 120 to 350 ohms
Nulling Cable Length Range: 0 to 3500 feet
Trans-Hybrid Loss: >55 dB, typical at 800 Hz
Meters: 4
Function: displays level of audio input and output
channels
Type: 5-segment LED, modified VU ballistics
Connectors:
Party-Line (PL) Intercom: two 3-pin male XLR
Ethernet: Neutrik etherCON RJ45
External DC: 4-pin male XLR
USB: type A receptacle
Dimensions – Overall:
8.7 inches wide (22.1 cm)
1.72 inches high (4.4 cm)
8.3 inches deep (21.1 cm)
Mounting Options: single- or dual-unit rack-mount
front panels; uses one space (1U) in a standard
19-inch rack
Weight: 1.7 pounds (0.77 kg); rack-mount front
panels add 0.2 pounds (0.09 kg)
Specifications and information contained in this
User Guide subject to change without notice.