Home  Audio Products  Telephone Hybrids ITB 302

Characteristics and features

  • Capable of connecting more than one ITB 302, to interface upto "n" telephone lines independently, or in conference mod (integrated mix-minus system)
  • Exceptional versatility thanks to connection to 2, 4 wire lines and GSM
  • Independent adjustment of transmission and reception levels
  • Led meter for instant display of transmission and reception levels
  • Independent balanced audio inputs and outputs for all telephone lines
  • Balanced audio inputs and outputs for conferences
  • Precision band-pass filter to clean up noise and hum from the telephone lines
  • Optional remote controller
  • Sophisticated digital DSP echo/canceller


    • AUDIO INPUT
    (SEND 1 AND 2)    		 Input Impedance: Greater then 10 KW  electronically balanced
      Input Level Range: Adjustable by ±12dBu
      Connectors: XLR type-female, Pin 1 GND, Pin 2 Inphase, Pin 3 Return, Pin 2 and 3 electronically balanced
    AUDIO OUTPUT
    (RECEIVE 1 AND 2)    		 Output Impedance: 100 W  electronically balanced
      Nominal Output Level: 0 dBm adjustable between -6 and +12 dBu
      Maximum Output Level: + 16 dBm
      Connectors: XLR type-male, Pin 1 GND, Pin 2 Inphase, Pin 3 Return, Pin 2 and 3 electronically balanced
    IN/OUT CONFERENCING AUDIO Input Impedance: Greater then 10 KW  electronically balanced
      Input Level Range: Adjustable by ±12dBu
      Output Impedance: 100 W  electronically balanced
      Nominal Output Level: 0 dBu adjustable between -6 and +12 dBu
      Connectors: 9 Pin Subminiature Cannon female
    HYBRID CIRCUIT Standard specification ETS 300001 (NET 4)
      Impedance: 600 W  typ.
      RX Level: -20 ¸ 0 dBu (with automatic adjustment)
      TX Level: -8 dBu  (with automatic adjustment)
      Hybrid Null: -40 dB full band
      Frequency Response: 230 Hz ¸ 3400 Hz
      Distortion: 0,8 %
      Connector: RJ 11
    4 WIRE SECTION Impedance: 600 W  transformer balanced
      RX Level: -12  ¸ +12 dBu
      TX Level: 0 dBu 
      Frequency Response: 50 Hz ¸ 20 KHz (-0,5 dB)
      Distortion: 0,8 %
      Noise: Greater than 76 dB
      Crosstalk: Greater than 75 dB
      Connector: RJ 11
    GENERAL DATA Power Supply: 87 ¸  265 VAC 50 ¸ 60 Hz
      Power Requirement: 12 VA
      Dimensions: 19" rackmount 1 unit
      Weight: 4,2 Kg
         


     
    AEV S.p.a Bologna (Italy)- ph +390516634711 - fax +390516634700 - VAT IT00595301201