Audio Formats

MP3 encoding up to 192 kBit VBR, CBR*, decoding up to

320 kBit (Stereo), G.711 (uLaw/aLaw @ 8 or 24 kHz), G.722* and PCM (16 bit @ 8 or 24 kHz)

Discrete Interfaces

8 supervised Inputs, 8 Relays (dry contacts)

1 Fault Relay output

Audio Interfaces

Mic In (Balanced, Phantom power) or Balanced

Balanced Stereo Line In, 18 kOhm impedance

Input level software controllable

Clippinglevel 3.5 dBu, 3.28 Vpp

Frequency response (-3 dBFS) 20 .. 17000 Hz **

Signal to Noise Ratio 88 dB, THD (-3 dBFS) < 0.1 %

Stereo crosstalk -87 dB

Balanced Stereo Line Out, 40 .. 60 Ohm impedance

Output level software controllable

Full scale output voltage 5.9 dBu, 4.33 Vpp

Frequency response (-3 dBFS) 15 .. 21000 Hz **

Signal to Noise Ratio 92 dB, THD (-3 dBFS) < 0.1 %

Stereo crosstalk -66 dB

Serial Interfaces

RS-232 DSub 9 pin male, 300..115200 Baud

RS-485 screw terminal block, 300..115200 Baud

Control Interfaces

web server for control and configuration

Network Interface

RJ45 10/100 Mbit Ethernet (Auto), TCP/IP, UDP, RTP, SIP, DHCP, SNMP, AutoIP, SonicIP, IPzator

Misc

Ten status LEDs, reset/factory default button

Internal temperature sensor

Power inputs

Two independent, level supervised inputs

24 to 48 VDC ±20% (pos. or neg.), 8 Watt max.

Case

Aluminum, 745 g, 8.5″ x 1.5″ x 4.92″ 216 mm x 38 mm x 125 mm

MTBF

Min. 300 000h acc. to MIL217F at 25°C ambient temperature

* Hardware revision 2 only

** depeds on used codec, best results @48KHz PCM