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Multi-channel voice recording



STC H-318

STC H-318

ISDN to analogue converter
Highlight: STC H318 converts data from digital telephone lines to analogue signal which can be further recorded by various Smart Logger II interface cards and I/O devices.



Features:

  • Digital-to-analogue conversion of voice data
  • Information on ongoing conversation is transferred by pilot signal
  • Caller ID on incoming calls, as well as dialed number on outgoing calls, are retrieved and converted into analogue DTMF form.
  • The device features passive parallel connection to digital telephone lines.
  • Analogue and digital lines can be recorded simultaneously by a system based on laptop computer.
  • Various PBX types supported.


Technical characteristics:

  • Supported telephone interfaces : two-wire interfaces of various vendors; four-wire ISDN BRI S/T interfaces (2 B-cannels + 1 D-channel)
  • Capacity of 2 two-line or 1 four-line interface per device.
  • Maximum cable length to digital telephone lines - 2.5 meters.
  • Power supply (5V, 140mA):


    1. external
    2. STC-H205 hook-up
  • Impedance


    1. 5 MOhm DC
    2. 100 kOhm AC
  • Maximum analogue voltage swing: 2.8 V.
  • Pilot signals frequency: user-defined.
  • Full galvanic isolation
  • Dimensions: 118?75?37 mm
  • Weight: 0.3 kg