Telephone Interface TI-101

Radio Systems, Inc.; Logan Township, NJ

Data
Forum
Pictures
Collections

  • Year
  • 1979 ??
  • Category
  • Miscellaneous (Other, Various) - see notes
  • Radiomuseum.org ID
  • 345879

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Telephone Interface TI-101 - Radio Systems, Inc.; Logan
  • Shape
  • Rack
  • Dimensions (WHD)
  • 19 x 1.75 x 6 inch / 483 x 44 x 152 mm
  • Notes

  • The Radio Systems Inc. Telephone Interface TI-101 has the following features:

    • Input impedance 16.7K ohms (Electronically balanced)
    • Output Impedance >600 ohms (Transformer Balanced)
    • Telephone Port Impedance 560 ohms (Transformer Isolated)
    • Nominal Input and Output Level Ranges Switchable between -10 dBm and +8 dBm
    • CMRR >4 dB at Input @ 1 kHz
    • Maximum Input Level +21 dBm
    • Maximum Output Level +20 dBm
    • Typical THD .1%
    • Controls - Send Level, send limit, receive level receive compress/expand 400 Hz and 2.5 Hz. Equalization, conference link, coarse, low frequency and high frequency null adjust
    • Visual Indicators - LED’s for indication of send, clip, send limit, receive, clip, receive compress/expand, receive mute, and power on
    • Frequency response - 300 Hz to 3k Hz +/-3 dB (measured from telephone port to output port)
    • Typical Transhybrid loss - 20 dB over the specified frequency bandwidth
    • Connectors - 3 pin XLR type for input and output ports, barrier terminal strip for telephone tip and ring, 1/4" phone jacks for external mute and conference interconnect cables
  • Net weight (2.2 lb = 1 kg)
  • 11 kg / 24 lb 3.7 oz (24.229 lb)
  • Author
  • Model page created by Keith Ellison. See "Data change" for further contributors.

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