خانه صوت و کنفرانس بوشPublic Address and Voice AlarmDigital PA and Emergency Sound Praesideo System

PRS-1AIP1 Audio-over-IP interface

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Technical Specifications
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 or 24 kHz sample rate
PCM 16‑bit at 8 or 24 kHz sample rate
Control inputs 8 x
Connectors Removable screw terminals
Operation Closing contact (with supervision)
Control / fault outputs 8 x / 1 x
Connectors Removable screw terminals
Operation Make contact (SPST, voltage free)
Rating 24 V, 0.5 A
Ethernet 1 and 2
Connector Dual RJ45, DTE-pinout
Standard 802.3i / 802.3u
Speed 10 / 100 Mbps, auto-negotiation
Flow Full / half-duplex, autonegotiation
Protocol TCP/IP, UDP, RTP, SIP, IGMP, DHCP, SNMP
RS 232 / RS 485
Connector RS 232 9‑pin Sub‑D male, DTE‑pinout
Connector RS 485 Removable screw terminals
Pinout 300 to 115.200 Baud
Setting (default) 9600, 8, N, 1
Mechanical Dimensions (H x W x D) 216 x 38 x 125 mm( 8.5 x 1.5 x 4.92 in)
(half 19” wide)
Weight 0.7 kg (1.5 lb)
Mounting Stand‑alone or in 19”‑rack with additional
frame
Color Silver with Charcoal
Environmental Operating temperature -5 ºC to +50 ºC (+23 ºF to +122 ºF)
Storage temperature 0 ºC to +50 ºC (+32 ºF to +122 ºF)
Relative humidity 15% to 90%
Air pressure 600 to 1100 hPa
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