Technical data
Electrical
External power supply 1 18 to 56 VDC
External power supply 2 18 to 56 VDC
Power consumption 8 W max
Microphone input (Audio input 1)
Sensitivity -48.5 to -26 dBV
Impedance 1360 ohm
Frequency response 100 Hz to 15 kHz
S/N >60 dB
Supervision detection Electret: 0.4 – 5 mA
Dynamic: 120 – 1300 ohm
Line Inputs (Audio input 1 and 2)
Sensitivity -16.5 to +6 dBV
Impedance 22 kohm
Frequency response 20 Hz to 15 kHz
S/N >70 dB
Pilot tone detection level
(Input 2 only)
-30 dBV
Line outputs (Audio output 1 and 2)
Level 6 dBV max
Pilot tone level (Output 2 only) -20 dBV (20 kHz)
Audio formats
MPEG 1‑layer 3 (MP3) 32, 44.1 and 48 kHz sample rate
Encoding up to 192 kbps VBR
Decoding up to 320 kbps (Stereo)
MPEG 1‑layer 2 16, 22.05 and 24 kHz sample rate
G.711 uLaw, aLaw at 8, 24 or 32 kHz sample rate
PCM 16‑bit at 8, 24 or 32 kHz sample rate
Control inputs 8 x
Connectors Removable screw terminals
Operation Closing contact (with supervision)
Control / fault outputs 8 x / 1 x
9
9.1
IP Audio Interface Technical data | en 43
Bosch Security Systems B.V. Operating Manual 2013.03 | V2.0 |