Bosch Security Systems | 2008-12
PRS-1AIP1 IP Audio Interface | Installation and User Instructions | Technical data en | 24
6 Technical data
6.1 Electrical
6.1.1 Power Supply
6.1.2 Microphone input
(Audio Input 1)
6.1.3 Line Inputs
(Audio Input 1 and 2)
6.1.4 Line Outputs
(Audio Output 1 and 2)
6.1.5 Audio formats
6.1.6 Control Inputs
6.1.7 Control Outputs/Fault Output
6.1.8 Ethernet 1 and 2
6.1.9 RS-232
External power supply 1 18 to 56 VDC
External power supply 2 18 to 56 VDC
Power consumption 8 W max
Sensitivity -48.5 to -26 dBV
Impedance 1360 ohm
Frequency response 100 Hz to 15 kHz
S/N >60 dB
Supervision detection
Condenser/Electret
Dynamic
0.4 – 5 mA
120–130 0 ohm
Sensitivity -16.5 to +6 dBV
Impedance 22 kohm
Frequency response 20 Hz to 15 kHz
S/N >70 dB
Pilot tone detection level
(Audio Input 2 only)
-30 dB
Level 6 dBV max
Pilot tone level
(Audio Output 2 only)
-20 dBV (20 kHz)
MPEG 1-layer 3 (MP3) 32, 44.1 and 48 kHz
sample rate
Encoding up to
192 kbps VB R
Decoding up to
320 kbps (stereo)
MPEG 1-layer 2 16, 22.05 and 24 kHz
sample rate
G.711 uLaw, aLaw at 8 or
24 kHz sample rate
PCM 16-bit at 8 or 24 kHz
sample rate
Connectors Removable screw
terminals
Operation Closing contact
(with supervision)
Connectors Removable screw
terminals
Operation Make contact,
voltage free
Rating 24 V, 0.5 A
Connector Dual RJ45,
DTE-pinout
Standard 802.3i/802.3u
Speed 10/100 Mbps,
auto-negotiation
Flow Full/half-duplex,
auto-negotiation
Protocol TCP/IP, UDP, RTP,
SIP, DHCP, SNMP
Connector 9-pin Sub-D male,
DTE-pinout
Pinout 300 to 115.200 Baud
Setting (default) 9600, 8, N, 1