4. Technical Parameters

Signalling protocol

  • SIP (UDP, TCP)

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

  • Sound pressure level (SPL max): 77.5 dB (for 1 kHz, distance 1 m)

  • Volume control: Adjustable with automatic adaptive mode
  • Full duplex: Yes (AEC)

Audio stream

  • Protocols: RTP
  • Codecs: G.711 (PCMU and PCMA)

Bandwidth 

  • Audio codecs
    • PCMA, PCMU – 64 kbps (with 85.6 kbps headers)

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
  • Active switch output: 10 up to 12 V DC, max 3500 mA

Mechanical properties

  • Cover: ABS plastic, high-quality stainless steel
  • Working temperature: −40 °C to 55 °C
  • Working relative humidity: 10 % to 95 % (non-condensing)
  • Storing temperature: − 40 °C to 70 °C
  • Dimensions
    • (193 x 115 x 39) mm
    • (197 x 119 x 47) mm with flush mounting box
    • (193 x 115 x 57) mm for wall mounting
  • Weight
    • Product net weight: 500 g
    • Mounting box: 135 g
    • Total weight incl. package: 800 g
  • Covering level: IP54
  • Resistance level: IK10