PRS-1AIP1 Audio-over-IP interface

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 Charcoa
Environmental	Operating temperature	-5 ºC to +50 ºC (+23 ºF to +122 ºF)
	Start-up temperature	0 ºC to +50 ºC (+32 ºF to +122 ºF)
	Storage and transport temperature	-20 ºC to +70 ºC (-4 ºF to +158 ºF)
	Humidity	15 to 90 %
	Air pressure	600 to 1100 hPa

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