3. Technical Parameters

Supported Protocols

  • LAN interface: IPv4, ARP, TCP, UDP, DHCP
  • Device configuration: HTTP/HTTPS
  • Call signalling: SIP 2.0 (UDP, TCP, TLS)
  • Audio data transmission: RTP (G.711)
  • Audio streaming: RTSP
  • Time synchronisation: SNTP
  • Auto provisioning: TFTP
  • E-mail sending: SMTP

Power Supply

  • External power supply: 9 to 26 V ± 10 % / 2 A DC or PoE, typically 12 V DC
  • PoE: 802.3af (Class 0 – up to 12.95 W)
  • Power consumption: 2 W at relax

 LAN Interface

  • LAN interface count: 1 (since HW version R394-1)
  • PoE: 802.3af
  • Parameters: 10/100BASE-TX with Auto-MDIX, RJ-45
  • Recommended cabling: Cat-5e or higher

Audio Interface

  • Microphone input: Standard electret microphone, Max. Vpp = 100 mV, Rin = 4.4 kΩ, Vbias = 1.5 V
  • Line input: Max. 755 mV RMS, Rin = 47 kΩ
  • Amplifier output: 10 W amplifier of class D, MONO output, THD < 1%, minimum loudspeaker impedance: 4 Ω
  • Line output: Max. 755 mV RMS, Rout = 600 Ω
  • Acoustic echo cancelling: AEC, full duplex

Bandwidth 

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

Button/Keypad Interface

  • Button count: Up to 16 separate buttons in 4x4 matrix
  • Button function: User programmable
  • Matrix outputs: 4 (ROW1–4 terminals) Uout < 0.1 V (L), Uout > 3.2 V (H), up to 8 mA
  • Matrix inputs: 4 (COL1–4 terminals) Uin < 1.15 (L), Uin > 2.15 V, max. Uin = 5 V

LED Control Outputs

  • Output count: 3 (LED1±, LED2± and LED3± terminals)
  • Output function: User programmable
  • Output current: Typ. 20 mA
  • Output voltage: Up to 12 V

Digital Outputs

  • Output count: 2 (OUT1± and OUT2± terminals)
  • Output function: User programmable
  • Output type: Power output with short-circuit protection
  • Output voltage: 10 up to 12 V DC
  • Output current: Up to 350 mA

Digital Inputs

  • Input count: 2 (IN1± and IN2± terminals)
  • Input function: User programmable
  • Input type: Galvanically isolated inputs (opto-couplers)
  • Characteristics: Uin < 1.1 V (L), Uin > 3 V (H), max. Uin = 32 V 

Relay Output

  • Output count: 1 (NC, NO, COM terminals)
  • Output function: User programmable
  • Limits (AC/DC): Up to 30 V / 1 A


Mechanical Properties

  • Working temperature: −40 °C – 55 °C
  • Working relative humidity: 10 % – 95 % (non-condensing)
  • Maximum altitude for intended use: 2000 m a.s.l.
  • Storing temperature: −40 °C – 70 °C
  • Dimensions: (142 x 98 x 34) mm (Part No. 9154100), (138 x 90 x 26) mm (Part No. 9154101)
  • WeightUp to 280 g (Part No. 9154100), Up to 150 g (Part No. 9154101)
  • Protection class: IP20 (Part No. 9154100), IP00 (Part No. 9154101)

Note

  • If you feed the device from a DC power source and the supply voltage is lower than 12 V, then the output voltage is limited to the supply voltage value.