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Telephone Analog Based Console

  • Programmable single or dual-function tones
  • Two-wire or four-wire (field programmable)
  • Simplex/full-duplex (field programmable)
  • Programmable squelch control
  • TX monitor
  • Supervised control
  • Crossmute (hardwire)
  • TX notch filter
  • Alert tone/warble
  • 15 programmable DTMF addresses
  • Parallel console update Controls
  • Monitor
  • Intercom
  • PTT button
  • 16-digit DTMF keypad
  • Volume control
  • Parallel TX LED detect
  • Frequency selection
Amplifier Power 2W maximum at 3% THD into an 8 Ohm load or equivalent
Audio Distortion 3% THD maximum at full output
Audio Frequency Response 61.5dB, 300 to 3000Hz, except at the transmit tone notch frequency
Color White
Connections 4-wire: Headset, 6-wire desk mic
Depth 10" (254 mm)
Earpiece Level Adjustable level independent of speaker volume controls.
Form Factor Desktop with Telephone Handset
Height 3" (76.2 mm)
Hum and Noise 50dB below operating levels
Input Impedance 4-wire RX Line: 600 Ohm or 1M Ohm, jumper selectable, transformer isolated. KΩ
Input/Output Levels -40dBm to +10dBm, adjustable, -20dBm to +10dB, into a 600 Ohm line, high-level guard tone adjustable.
Operating Temperature 0° to 70 °C (32° to 158°F)
Output Impedance 4-wire TX Line: 600 Ohm or 1M Ohm, jumper selectable, transformer isolated.
Power Requirements +12VDC at 1A
Relays 1A at 125VAC, 3A at 40VDC
Speaker 1.5 x 3”, 8 Ohm, Oval
Tone Frequencies PTT/Guard 2175Hx or 2300Hz. Monitor and frequency function tones are programmable from 400 to 3000Hz, accuracy to 61Hz
Weight 2.94 lbs (1.33 kg)
Width 8" (203.2 mm)


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Telex is part of the Bosch Communications Systems family of brands, offering the world's most complete portfolio of professional audio and communications solutions.

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