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JK Audio Interchange LTD Intercom Phone Bridge and Hybrid

 
  • Dale #:

    JKAU-INTCHGLTD
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Description

Turn Your Phone Line Into a Party-Line! Interchange LTD allows remote access to your party-line intercom system. This 1RU rackmount interface includes a digital hybrid for connection to analog (POTS) phone lines. The front panel headset interface jack allows easy connection to your wireless phone... Read More

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Description

Turn Your Phone Line Into a Party-Line! Interchange LTD allows remote access to your party-line intercom system. This 1RU rackmount interface includes a digital hybrid for connection to analog (POTS) phone lines. The front panel headset interface jack allows easy connection to your wireless phone, tablet, or computer allowing remote access through a phone call or conferencing app. The front panel DTMF keypad and headset jack allow easy call setup.

The internal digital hybrid connects intercom audio to a standard analog telephone line without the transmit/receive crosstalk common to analog hybrids. Its DSP continuously monitors both the phone line and audio signals to deliver excellent separation. This proprietary, dual-convergence echo canceller algorithm can achieve excellent separation, typically exceeding 50 dB, without any setup and without sending a noise burst down the line.

Features:

  • Male and Female 3 Pin XLR Intercom Loop Jacks
  • Male XLR Mix Line Out for Monitoring
  • Send and Receive LED Metering
  • Front Panel Screwdriver Level Controls
  • Front Panel Channel Select
  • Front Panel Cell Phone Interface
  • Listen Always, Talk when Talk-Enabled
  • Enable/Disable Auto-Answer
  • 16-bit DSP Technology
  • Front Panel Off-Hook LED
  • Send and Caller Signal Level LEDs

Listen-Always Design
The Listen-Always design allows both the phone hybrid and the mobile phone headset interface to monitor the intercom just like any other belt pack. Listen mode is a high impedance bridging tap on the intercom line. Talk mode is enabled via a front panel switch, either Off, On, or Auto. Auto follows the phone hybrid Auto-Answer mode.

Digital Hybrid
The internal digital hybrid connects intercom audio to a standard analog telephone line without the transmit/receive crosstalk common to analog hybrids. Its DSP continuously monitors both the phone line and audio signals to deliver excellent separation. This proprietary, dual-convergence echo canceller algorithm can achieve excellent separation, typically exceeding 50 dB, without any setup and without sending a noise burst down the line.

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Product Specs

Intercom Channel Male & Female 3-pin XLR
Output Level -10 dBu (250 mV RMS) nominal
Terminating Impedance 200 ohms
Bridging Impedance >15k ohms
Pin 1 Common
Pin 2 Audio + 30 VDC ( +12 VDC min ) 50 mA
Pin 3 Audio
Line Out Balanced Female XLR
Impedance 200 ohms
Level 500 mV RMS (-4 dBu nom, +12 dBu max)
Headset Interface
Connection 3.5 mm TRRS
Frequency Response Wireless Interface 50 Hz - 7 kHz (HD Voice)
Misc
Ringer 0.8B REN
Isolation 1500 VAC
Frequency Response Telephone Side 200 Hz-3600 Hz
Power 120-240 VAC Power Supply (included)z
Size 19” x 5.4” x 1.75”
Weight 5.2 lbs

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