JK Audio Innkeeper PBX Manual de usuario
VOIP/PBX DESKTOP DIGITAL HYBRID
JK Audio
innkeeper PBX™
User Guide
ii innkeeper PBX™ VOIP/PBX Desktop Digital Hybrid
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)
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.
Welcome
Contents
Overview 1
Getting to know your innkeeper PBX™
2 Controls & Indicators
4 Inputs & Outputs
2
Getting Connected 6
Operation 8
Conguration 9
FAQs 10
Technical Information 12
Contents iii
Contents
iv innkeeper PBX™ VOIP/PBX Desktop Digital Hybrid
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
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)
Universal Power supply with
detachable cord
RJ22 Phone Cord
Features
In the Box
Features
Overview 1
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
2innkeeper PBX™ VOIP/PBX Desktop Digital Hybrid
Getting to Know Your innkeeper PBX
3 4 5 6 71
8 9
2
10 11
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.
Controls & Indicators
Getting to Know Your Innkeeper PBX™ 3
Getting to Know Your innkeeper PBX
Indicators Cont’d
8. OH LED
Lit when you are on line with a call (Off-Hook).
9. Send LEDs
Displays the signal level going to the phone line. The goal is to drive the
phone line audio at levels high enough to avoid phone line noise, but
not so loud as to cause excessive clipping. Adjust the Send level control
so that you rarely see ashes of the red -3dB peak Send LED. These
ashes should occur only during loud speech bursts. If the red LED stays
lit for extended periods you can assume that much of your speech is
being clipped or distorted. In this case you should lower the Send volume
control for the input that is causing the clipping.
10. Power LEDs
Lit when unit is plugged in and receiving power.
11. Caller LEDs
Displays the signal level coming in from the phone line, after the DSP.
This signal level will not change when you adjust the Caller knob. The
Caller level control knob does not change what you see on these LEDs.
Adjust the Caller level control to give you the best signal level at the
Caller XLR output or the Caller channel of the stereo output mini jack.
4Innkeeper PBX™ Broadcast Field Mixer
Getting to Know Your innkeeper PBX
Inputs & Outputs
1. Handset Jack
Connect your telephone handset to this jack.
2. Phone Jack
Connect this jack to the handset jack on your telephone using the supplied
handset jumper cable.
3. Handset Type Selector Switch
Use this switch to select the correct type of handset microphone that your
telephone uses.
A=Electret, B=Carbon, C=Dynamic
4. Caller Output
Male balanced XLR output contains only the caller’s voice.
5. Send 1 Input
Female balanced XLR input for signals going out to the phone line. Mic or
line level input.
6. Mic / Line switch
7. Sets the front end sensitivity of the Send 1 XLR jack. Set to Mic if you intend
to connect a dynamic microphone directly to the Send 1 jack. Set to Line if
you are connecting to the output of a mic mixer.
3 4 5 6 97 81 2
Inputs & Outputs Cont’d
7. Send 2 Mono Input
3.5mm mono mini jack input for signals going into the phone line.
Line level.
8. Stereo Output
3.5 mm stereo mini jack output contains both Send and Caller audio
channels with levels determined by the Send 1 and Send 2 level controls
and the Caller level control. Left channel contains your local Send audio
and right channel contains the Caller’s audio from the telephone line.
9. Power Jack
For connection only to the supplied 9VDC regulated power supply.
Getting To Know Your Innkeeper PBX™ 5
Getting to Know Your innkeeper PBX
6Innkeeper PBX™ Broadcast Field Mixer
Setting Up
1. Connect the supplied RJ-22 phone line cable between the jack marked
Phone on the back of the innkeeper PBX and to handset jack on the base of
your telephone.
2. Connect your telephone handset to the RJ-22 jack on the back of the
innkeeper PBX marked “Handset”.
3. Connect a pair of headphones to the front of the innkeeper PBX or mixer.
4. There are 2 ways to set up the audio equipment for your Innkeeper PBX:
A. One Mic/Headphone (No Mixer): See Figure 6a.
1. Connect a dynamic microphone cable to the Send 1 jack on the
Innkeeper PBX. Be sure to set the Innkeeper PBX Mic/Line switch
to the Mic position.
2. Connect a stereo cable from the mini-jack Stereo Out on the
Innkeeper PBX to the Line In on your computer sound card or
other recording equipment that has a stereo input.
B. Two or more Inputs/Outputs (Mix-Minus Caller): See Figure 7a.
A mix-minus signal is an audio signal that contains a mix of your local
microphones plus any other audio, minus the Caller’s own voice.
Sending the Caller’s audio back to the innkeeper PBX will cause an
echo, or feedback.
1. Connect Caller to any LINE Level input on mixer.
2. Connect Aux (or FX) Send on mixer to Send 1 on Innkeeper PBX.
Set the Innkeeper PBX Mic/Line switch to the Line position.
5. Connect the supplied DC power supply to the back of the Innkeeper PBX
and then to an AC power outlet.
Place a test call to a quiet location. Set the “A-B-C” switch on innkeeper PBX
for best audio. Set the Send level control so that while you are speaking into
the microphone, the Send LEDs on the hybrid light the -20 dB green LED
consistently and ash the -9 dB green LED. If you ash the -3 dB red LED, lower
the level. Set the Caller control for good recording level of the caller audio at the
output jack.
Getting Connected
Figure 6a
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4 5 6
7 8
0* #
9
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