2n Helios IP Uni Manuel d'utilisateur télécharger pdf (Page 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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2n Helios IP Uni Manuel d'utilisateur Page 26