JK Audio Interchange LTD
Intercom Phone Bridge and Digital Hybrid

OUR PART #  INTCHGLTD


The JK Audio 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.

JK Audio Interchange LTD Features:

  • HD Voice Compatible (7 kHz Wide-Band Speech)
  • Male and Female 3 Pin XLR Intercom Loop Jacks
  • Male XLR Mix Line Out for Monitoring
  • Send and Receive LED Metering
  • Front Panel Screwdriver LevelControls   
  • Front Panel Channel Select   
  • Front Panel Cell Phone Interface   
  • Front Panel TRRS Monitor Headset Jack with VolumeControl
  • Front Panel TRRS Monitor Headset Jack with VolumeControl   
  • Listen Always, Talk when Talk-Enabled
  • Auto-Answer   
  • 16-bit DSP Technology   
  • Front Panel Off-Hook LED   
  • Send and Caller Signal Level LEDs   
  • DTMF Keypad with Redial   
  • Rack Mountable

JK Audio Interchange LTD Specifications:

  • Intercom Channel: Male and 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 Male 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 
    • Phone Line: RJ11C
    • Aux Phone: RJ11C
    • Ringer: 0.8B REN
    • Isolation: 1500 VAC
    • Frequency Response: Telephone Side 200 Hz-3600 Hz
    • Monitor Headset Jack: 3.5 mm TRRS
    • Power: 120-240 VAC Power Supply (included)
    • Size: 19” x 5.4” x 1.75”
    • Weight: 5.2 lbs

JK Audio Interchange LTD
Intercom Phone Bridge and Digital Hybrid

OUR PART #  INTCHGLTD

Product Information:

The JK Audio 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.

JK Audio Interchange LTD Features:

  • HD Voice Compatible (7 kHz Wide-Band Speech)
  • Male and Female 3 Pin XLR Intercom Loop Jacks
  • Male XLR Mix Line Out for Monitoring
  • Send and Receive LED Metering
  • Front Panel Screwdriver LevelControls   
  • Front Panel Channel Select   
  • Front Panel Cell Phone Interface   
  • Front Panel TRRS Monitor Headset Jack with VolumeControl
  • Front Panel TRRS Monitor Headset Jack with VolumeControl   
  • Listen Always, Talk when Talk-Enabled
  • Auto-Answer   
  • 16-bit DSP Technology   
  • Front Panel Off-Hook LED   
  • Send and Caller Signal Level LEDs   
  • DTMF Keypad with Redial   
  • Rack Mountable

JK Audio Interchange LTD Specifications:

  • Intercom Channel: Male and 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 Male 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 
    • Phone Line: RJ11C
    • Aux Phone: RJ11C
    • Ringer: 0.8B REN
    • Isolation: 1500 VAC
    • Frequency Response: Telephone Side 200 Hz-3600 Hz
    • Monitor Headset Jack: 3.5 mm TRRS
    • Power: 120-240 VAC Power Supply (included)
    • Size: 19” x 5.4” x 1.75”
    • Weight: 5.2 lbs
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