2N Telecommunications 9153101 Manual de instalación Pagina 26

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4. Technical Parameters
Signalling protocol
SIP (UDP)
Buttons
Button design: Transparent, white backlit buttons with easily replaceable name
tags
Button count: 1 or 2
Audio
Microphone: 1 integrated microphone
Amplifier: 1 W (class D)
Loudspeaker: 1 W
Volume control: Adjustable with automatic adaptive mode
Full duplex: Yes (AEC)
Audio stream
Protocols: RTP/RTSP
Codecs: G.711
Interfaces
Power supply: 12 V ± 15 % / 2 A DC or PoE
PoE: PoE 802.3af (Class 0 – 12.95 W)
LAN: 10/100BASE-TX s Auto-MDIX, RJ-45
Recommended cabling: Cat-5e or higher
Passive switch: NO and NC contacts, up to 30 V / 1 A AC/DC
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