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JK Audio interchange LTD
JK Audio interchange LTDJK Audio interchange LTD
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.
Main 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
Specifications:
Intercom Channel
* Connection: 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 Headset
Interface
* Connection: 3.5 mm TRRS
* Frequency Response: Wireless Interface 50 Hz - 7 kHz (HD Voice)
Output
* Balanced Male XLR:
* 200 ohms / 500 mV RMS (-4 dBu nom) +12 dBu max
* 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
