JK Audio innkeeper PBX User Manual
innkeeper PBX
VOIP/PBX DESKTOP DIGITAL HYBRID
User Guide
™
JK Audio
Welcome
Thank You
Thank you for purchasing a JK Audio innkeeper PBX VoIP/PBX Desktop Digital
Hybrid. 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.
Limited Warranty
The innkeeper PBX is covered by a 2 year warranty to be free from defective
workmanship and materials. To obtain service, contact JK Audio by phone or
email for return authorization. Once authorized, you will carefully pack and ship
the faulty product and all accessories to us. You will pay for shipping to us and
we will pay for return back to you.
This warranty does not cover damages due to accident, weather, re, ood,
earthquake, misuse, unauthorized repairs or modications, or damages occurred
in shipping, only defective workmanship or materials.
THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE
WARRANTY HERE MADE.
innkeeper PBX™ VOIP/PBX Desktop Digital Hybrid
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Contents
Contents
Overview 1
Getting to know your innkeeper PBX™
2 Controls & Indicators
4 Inputs & Outputs
Getting Connected
Operation
Conguration
FAQs 10
Technical Information 12
2
6
8
9
Contents
iii
Features
Features
16 bit DSP Technology
Proprietary Auto Null Algorithm
(50 dB null)
Send XLR Line Input
Mic/Line Switch
3.5mm Mono Line Input
Caller XLR Line Output
In the Box
Universal Power supply with
detachable cord
3.5mm Stereo Line Output
3.5 mm Stereo Headphone Jack
Send and Caller Signal Level LEDs
Send and Caller Volume Controls
Handset Selector Switch
(Electret, Carbon, Dynamic)
RJ22 Phone Cord
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Overview
Introducing the innkeeper PBX™
Innkeeper PBX easily converts your multi-line PBX type telephone system into
a professional, affordable talk show console. Simply connect between your
telephone handset and the phone base.
What is a Digital Hybrid?
The innkeeper PBX digital hybrid connects audio signals to and from the handset
side of a telephone without the variations in quality found with analog hybrids.
The main function of a hybrid is to bring in the caller’s voice from the phone line
as clear and clean as possible. In the real world, when you send your voice down
the telephone line it has a tendency to bleed over into the caller’s audio. The
hybrid must adapt to the phone line in order to properly separate transmit and
receive audio. We use a 16 bit DSP (Digital Signal Processor) to continuously
monitor the phone line and local audio signals to deliver excellent trans-hybrid
loss, also known as separation. Our dual-convergence algorithm can achieve
excellent separation, typically exceeding 50 dB.
Ready to go?
The innkeeper PBX controls and connectors are clearly marked and ready for
operation. The Features diagrams and Operation sections on the following pages
will help you pinpoint any minor questions that you may have. If this is your rst
exposure to a hybrid, we suggest that you read the entire manual to allow you to
take advantage of all these features.
Any Questions?
Before you pick up the phone... Please thumb through the rest of this manual.
You might nd those deep technical questions are covered on later pages.
Overview
1
Getting to Know Your innkeeper PBX
2
3 4 5 6 71
8 9
10 11
Controls & Indicators
1. Handset Button
Press this button to use the handset as if you were on a normal
telephone call.
2. Broadcast Button
Press this button to disable the handset and activate the innkeeper PBX for
use as a digital hybrid.
3. Send 1 Level
Adjusts the signal level that you are sending down the telephone line,
through the female XLR input.
4. Send 2 Level
Adjusts the signal level that you are sending down the telephone line,
through the 3.5mm mini jack input.
5. Caller Level
Adjusts the level of the incoming caller’s audio as it’s going out the
output jacks.
6. Headphone Level
Adjusts the signal level coming from the 3.5mm front panel headphone jack.
7. Headphones
The 3.5mm stereo headphone jack contains a mix of both the Send input
audio and the Caller audio.
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