Electrical

802.3af PoE on RJ-45 connector

48 VDC nomimal, 12 Watt max.

Ethernet

10/100Mbps auto rate, full/half duplex

RJ-45 connector with integrated Link/Activity LED

802.3af PoE support

Protocols: TCP/IP, UDP, RTP, DHCP, Multicast capable

Audio Input

Characteristics/mode selectable by software:

“Mic” mode:

2.9 VDC, bias power for electret microphone supplied

“Line” mode:

2kΩ input impedance

3.9 VPP max, adjustable in sensitivity

Frequency response 25 Hz .. 19 kHz (-3dB)*

Dynamic range 85 dB, SNR -85 dB, THD <0.1% (-3 dBFS)*

Mechanical

Aluminum case, 280g

Dimensions 108 x 38 x 78.7 mm (4.25 x 1.5 x 3.1″ inch)

rack and wall mountable using optional accessories

MTBF

min. 500 000h (according to MIL217F at 25°C)

* depends on used codec, best results @48kHz PCM

Analog Line Output (mono)

Transformer isolated, balanced (600 Ω)

Output level software controllable

Full scale output voltage: 5.2 dBu, 4.0 VPP

Frequency response 35 Hz .. 17 kHz (-3dB)*

Dynamic range 85 dB, SNR -85 dB, THD <0.5% (-3dBFS)*

Speaker out

Suggested speaker impedance 8Ω (min.)

5 Watt max output power @ 8Ω

Values @ 8Ω:

Frequency response 25 Hz .. 16 kHz (-3dB)*

Dynamic range 87 dB, SNR 87 dB, THD <1% (-3dBFS)*

RS-232 Interface

On 9-pin Sub-D connector, male

5-wire (Tx,Rx,RTS,CTS)

300..230’400 Baud asynchronous, tunneling or local control

Supported Audio formats

PCM, G.711, G.722, MP3 encode/decode

AAC+ decode

PCM 16 bit and 8 bit (uLaw, aLaw) @ 8..48 kHz

Discrete I/O (Contact Closure Input)

1 discrete / dry contact input