JK Audio Four IFB User Manual

JK Audio Four IFB User Manual

Multi line phone bridge
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Warranty
Four IFB is covered by a 2-year warranty to be free from
defective workmanship and materials. In the event that the
Four IFB needs repair, you must call us to get an
authorization, and then carefully pack and ship it to us. You
Four IFB
will pay for shipping to us and we will pay for return back to
you, UPS ground. No free repairs will be made if the defect
was caused by misuse, weather conditions, or other cause,
except for defective workmanship or materials.
Multi Line Phone Bridge
THERE
ARE
NO
EXPRESSED
OR
IMPLIED
WARRANTIES
WHICH
EXTEND
BEYOND
THE
WARRANTY HERE MADE.

User Guide

10/06
JK Audio
JK Audio, Inc.
1311 E 6th Street, Sandwich, IL 60548
USA
Voice: (815) 786-2929 Toll Free: 800-JK-Audio
Fax: 815-786-8502
Info@jkaudio.com
www.jkaudio.com
Copyright © 2006 JK Audio.
All Rights Reserved.

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Summary of Contents for JK Audio Four IFB

  • Page 1: User Guide

    Warranty Four IFB is covered by a 2-year warranty to be free from defective workmanship and materials. In the event that the Four IFB needs repair, you must call us to get an authorization, and then carefully pack and ship it to us. You...
  • Page 2: Important Safety Instructions

    JK Audio product. If the unit and to the AC outlet. such changes are planned, you'll be notified by your 15.
  • Page 3: Fcc Part 15 Compliance

    1. Connection and use with the nationwide telephone network Four IFB is designed to be used in a variety of environments and The FCC requires that you connect this telephone weather conditions. Although the unit is not "waterproof", all con- equipment to the national telephone network through a trols and components are dust and moisture resistant.
  • Page 4: Specifications

    Quick Setup Guide Specifications Operation (continued) Inputs: Line: Balanced Female XLR, 20k ohm, +4 dBu max 1. Connect AC power to the unit with the provided AC cable. The AC power Outputs: LED should light green. Line: (5) Balanced Male XLR, 600 ohm, Line level, +4 dBu max Handset: RJ-22 handset jack biased for...
  • Page 5: Simplified Block Diagram

    Simplified Block Diagram Quick Setup Guide 5. Turn on the Power switch. The power LED should light red. 6. Rotate the Monitor selector switch to the desired Line position. Line 1 = phone line connected to RJ-11 marked Line 1. 7.
  • Page 6: Operation

    IFB 3 and 4 XLR outputs will contain audio from phone line 2 (if active). Power Loss 9. Use the IFB 1-4 rotary Four IFB provides the option of using a 9VDC battery as backup to AC switches to select which power. If AC power is lost, the 9VDC battery will become the active phone line audio will be power source until AC power is restored.
  • Page 7 Add button. The corresponding line LED will now light constant green. NOTE: There is no audible ringer on the Four IFB. Dropping Calls 12. After use, be sure to turn off the power switch.
  • Page 8 Cover locks into place with ½ turn of lock- ing latch. Battery - Slide out compartment for a single 9 VDC battery. All active functions of the Four IFB require that AC or battery power is present and that the Power Switch is in the “On” position.
  • Page 9 Features (continued) Features Operation (continued) 1. IFB Receive volume controls - Controls the level of audio present on the corresponding IFB XLR output jacks. 2. Monitor Receive volume control - Controls the level of audio pre- sent on the Monitor Receive XLR output jack. 3.
  • Page 10 Features (continued) Features (continued) Operation (continued) AC power jack - 100-240 VAC power jack Monitor Send XLR input - Line level input for sending audio down the phone line designated as Monitor. This is a line level input and will NOT accept a microphone directly. To use this input to send audio you must provide a line level signal from a device such as a mixer or mic pre-amp.

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