Interchange™ INTERCOM PHONE BRIDGE User Guide JK Audio
Welcome Thank You Thank you for purchasing a JK Audio Interchange™ Intercom Phone Bridge. Please read this guide for instructions on setting up and using your new product. Getting Assistance If you have technical or application questions: In the US & Canada, call us toll free at: 800-552-8346 All other countries dial: 815-786-2929 (M-F 8:30-5:00pm Central Time Zone) Email us at: support@jkaudio.com Or, check out our FAQ section for answers to common questions.
Contents Contents Overview Getting to know your Interchange™ 2 Controls and Indicators 4 Inputs & Outputs 1 2 Getting Connected 5 Operation 8 5 5 6 7 Intercom Mobile Device Single Line Phone Multi-Line Phone Technical Information 10 Contents iii
Features Male And Female 3 Pin XLR Intercom Loop Jacks Front Panel Screwdriver Level Controls Male And Female 3 Pin XLR 4-Wire Jacks Front Panel Channel Select Male XLR Mix Line Out for Monitoring Send and Receive LED Metering Front Panel Mobile Phone Interface Listen Always, Talk When Talk-Enabled Intercom and Phone Hybrid Powered iv Interchange™ Intercom Phone Bridge
Overview Introducing the Interchange™ Interchange allows remote access to your party line intercom through select JK Audio POTS and VoIP phone hybrids. This professional half rack interface provides a four wire audio interface and remote control connection for JK Audio innkeeper LTD, innkeeper 1x/1rx™, or innkeeper 2™ Digital Hybrids for POTS lines. Likewise, couple a JK Audio PBXport™ with an Interchange™ for PBX/ VoIP lines, or connect a JK Audio AutoHybrid IP2™ for VoIP or AoIP connections.
Getting to Know Your Interchange 1 2 3 5 4 6 7 8 9 10 11 12 Controls & Indicators 1. Talk Control The position of the three position toggle switch determines when Interchange will send audio into the Party Line intercom. Up = Talk: Interchange sends and receives audio (simultaneously). Use this position with the headset interface, or as a general purpose 4-wire interface. Center = Off: Interchange functions as a listen-only device. No audio will be sent into the Party Line intercom.
Getting to Know Your Interchange Controls Cont’d 6. Phone Level LEDs Indicates audio signal power on/from the phone interface. 7. Phone Hybrid Send Level Adjusts audio signal level going to the phone hybrid / 4-wire interface. 8. Phone Hybrid Receive Level Adjusts audio signal level coming from the phone hybrid / 4-wire interface. 9. Com Balance Fine tuning for the intercom hybrid function. Optimizes separation between send and receive when pushing audio into the intercom with the Talk function. 10.
Getting to Know Your Interchange 1 2 3 4 5 Inputs & Outputs 1. Party Line Intercom Jack Connect to one or two channel 3-pin unbalanced Party Line intercom system. 2. Mix Out XLR Jack Contains a line level mix of both the phone and intercom audio. 3. Line Out Jack Line level audio output from the intercom to the phone hybrid or audio device. 4. Line In Jack Line level audio from the phone hybrid to the intercom. 5. Single Line Remote Jack Connects to JK Audio single line digital hybrids.
Getting Connected Start by Connecting to the Intercom 1. Set the Talk switch to the Off position, and the Com switch to the desired channel. 2. Connect Interchange to your intercom network using one or both of the Intercom XLR jacks. 3. As soon as Interchange becomes connected to the intercom system, the Power LED will light, and the Com LEDs will indicate any audio signal present on the intercom channel. If using a Mobile Device (If using a phone line, please skip to page 6.) 1.
Getting Connected Single Line Phone Hybrids Connect the supplied cables as follows for innkeeper LTD or innkeeper 1x/1rx: 1. INTERCHANGE Line Out XLR to the HYBRID’S Send input XLR. 2. INTERCHANGE Line In XLR to the HYBRID’S Caller out XLR. 3. Using the supplied 10 pin RJ50 cable, connect the INTERCHANGE Single-Line Remote jack to the INNKEEPER Remote control jack. 4. Set the INNKEEPER rear panel Send level switch to Line Level. 5.
per 2 Getting Connected Multi-Line Phone Hybrids Connect the supplied cables as follows: 1. innkeeper 2: Line 1 1. INTERCHANGE (1) Line Out XLR to the HYBRID’S Send 1 input XLR. 2. INTERCHANGE (1) Line In XLR to the HYBRID’S Caller 1 output XLR. 3. Using the supplied 10 pin RJ50 cable, connect the INTERCHANGE (1) Multi-Line Remote jack to the INNKEEPER 2 Remote control jack. 4. Connect INNKEEPER 2 Line 1 to an analog phone line or VoIP analog phone line port. 2. innkeeper 2: Line 2 1.
Operation Operation with Phone Hybrids 1. Place the Interchange Talk switch in the Off position. Apply power to the phone hybrid and place a call from a remote location. You should be able to immediately monitor the intercom signal from the remote location. 2. Adjust the phone hybrid Send level and interchange Phone Hybrid Send level controls for desired signal level at the remote location. 3.
Operation 9
Technical Information 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 Input Balanced Female XLR 20k ohms / 500 mV RMS (-4 dBu nom) +12 dBu max Output Balanced Male XLR 10 200 ohms / 500 mV RMS (-4 dBu nom) +12 dBu max Size 7.75” x 6.5” x 2.3” Weight 2.
Hybrid / 4-Wire Interface XLR Line Output XLR Line Input Send RJ50: INN2 Limiter Remote Control Headset Interface Receive RJ45:INN1 / INNLTD Send Headset Emulator Receive Control Logic Intercom Hybrid 2/B 1/A Intercom Intercom JK Audio Interchange Simplified Block Diagram July 2, 2013 ON OFF AUTO Talk Control Com Meter Phone Meter Mix Out Technical Information Interchange Block Diagram Block Diagram 11
™ Interchange INTERCOM PHONE BRIDGE User Guide Version 5/8/14 JK Audio, Inc. 1311 E 6th St. Sandwich, IL 60548 United States Telephone: 815.786.2929 Toll Free: 1.800.jkaudio Fax: 815.786.8502 www.jkaudio.com © 2014 JK Audio, Inc. All rights reserved.
