innkeeper PBX-0207
Contents
1. 13 14 15 16 17 18 19 20 15 16 17 18 19 20 i a Handset Handset Jack Connect your telephone handset to this jack 9VDC center oa Caller Phone Jack Connect this jack to the handset jack on your telephone using the supplied handset jumper cable 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 Caller Output Male balanced XLR output contains only the caller s voice Send 1 Input Female balanced XLR input for audio going into the phone line Mic or line level input Mic Line switch Sets the front end sensitivity of the Send 1 XLR jack Set to Mic if you intend to connect a dynamic micro phone directly to the Send 1 jack Set to Line if you are con necting to the output of a mic mixer send 2 Mono Input 3 5mm mono mini jack input for signals going into the phone line Line level Stereo Output 3 5 mm stereo mini jack output contains Send and Caller audio determined by the Send 1 and Send 2 levels and the Caller level controls Left channel contains your local Send audio and right channel contains the Caller s audio from the telephone line Power Jack For connection only to the supplied 9VDC regu lated power supply only 13 Specifications Inputs Send 1 Send 2 Outputs Balanced Unbalanced Headphone Phone Line Aux Phon2. Innkeeper PBX is covered by a 2 year warranty to be free from defective workmanship and materials In the event that the innkeeper PBX needs repair you must call us to get an authorization and then carefully pack and ship it to us You 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 THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTY HERE MADE 03 07 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 2007 JK Audio Inc All Rights Reserved innkeeper PBX Desktop Digital Hybrid JK Audio innkeeper PBX Digital apene 5 Send 2 Caller Headphones t Send Handset Broadcas g O 200 fe a 3 N 000 o0 Receive Power User Guide JK Audio aligolo lloilo Innkeeper PBX will allow you to send and receive audio through your multi line PBX ISDN or analog telephone While this may seem like a simple task that any telephone can do the challenge is getting the best quality audio from such a limited audio path What is a Digital Hybrid The innkeeper PBX digital hybrid connects audio signals to and from the handset side of a telephone without the varia tions in quality found with analog hy
3. bus you can achieve the same results using Pan controls with the Left and Right outputs Simply pan all the microphones etc to the Left output and pan the Caller to the Right output Then connect only the Left output to the innkeeper PBX Send 1 Or you may use an external Mix Minus box that will create this signal for you 7 Operation continued Operation continued Telephone Handset Innkeeper PBX will disable the microphone in the telephone hand set when you press the Broadcast button Use your telephone to place or screen a call When you are ready to take the call on inn keeper PBX simply press the Broadcast button Innkeeper PBX will automatically release the Hold if Hold is used Make sure you do not put the telephone handset back in it s cradle while you are on a call This will still drop the call Do not disconnect or remove the handset during your call as this will change the input impedance from the phone line and change the audio level If you need to take the call back on your telephone press the Handset button on innkeeper PBX This will disable the inputs and outputs on innkeeper PBX and connect your handset back to the telephone Your telephone will operate as a normal telephone any time you are in Handset mode Leaving the hybrid connected to the handset jack on your telephone will not affect normal use of your telephone Audio will only pass through the hybrid when you press the Broadcast button Option
4. controls should be set for what you want to send to the phone line Each Aux Send bus is completely separate from all other outputs so these Aux controls will not affect what is heard on the Main outputs or on any other Aux buses This Aux Send bus should be pre fader so you can use the fader controls to set the levels of each channel to the main output Why does my laptop only record half of the conversation am using the Stereo output on the innkeeper PBX and have a stereo cable Most laptop computers only have a mic input which is mono You will need to either get a sound card with a stereo line level input for your laptop or use a USB or FireWire interface product How do I record onto my computer and edit the files You will need to purchase or download any audio editing soft ware of your choice You may also need to edit the audio con figuration files on your computer or in your software to allow re cording in stereo Innkeeper PBX just allows you to access the audio from your phone line Does innkeeper PBX come with any Talk Show software No our description Turn your PBX into a low cost talk show system pertains to using a multi line PBX phone system as a line selector switch When the innkeeper PBX is on line simply select which phone line you want to talk to either dropping the last caller or putting them back on hold Why is there a Send 2 mini jack on the back of my inn keeper PBX This is a secon
5. al Jumper Settings There is a jumper located inside the innkeeper PBX at J9 that af fects handset operation The factory default closed position jumper covering both pins disables only the handset microphone when the Broadcast button is pressed Changing the jumper to the open position either remove the jumper or cover just one pin al lows you to completely disable both the handset microphone and speaker when the Broadcast button is pressed If the incoming audio level from your telephone is too high and you are consistently lighting the red 3dB Receive LED first try de creasing the volume using the controls on the base of your tele phone If you still cannot drop the incoming audio level enough and your unit was purchased after February 2007 you may need to change jumper J10 inside innkeeper PBX There are three pos sible settings to adjust Caller receive level Pins 1 amp 2 closed OdB factory default Pins 2 amp 3 closed 6dB Pins 1 3 left open 12dB To change the jumper settings first disconnect power from the inn keeper PBX then remove the cover and locate the appropriate jumpers on the printed circuit board 8 Send Signal Level The Send LEDs display the signal level as it goes out to the phone line The goal is to drive the phone line at high enough levels to avoid phone line noise but not so loud as to cause excessive clip ping Adjust the Send level control so that you rarely see flashes of the red 3
6. brids 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 callers audio The hybrid must adapt to the audio signals from the telephone 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 algo rithm 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 pin point any minor questions that you may have If this is your first 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 find those deep technical questions are covered on later pages FCC Registration continued b The telephone equipment s FCC registration number This can be found on the bottom of your telephone equipment and c The ringer equivalence number REN for this equipment The REN is used to determine the quantity of devices which will be connec
7. d line level input to innkeeper PBX Here you can connect another device such as a CD player the Line Out from your computer or even the output of your personal audio player to add audio to the conversation This enables you to play back ground music or other sound bites during your discussion Do not connect a microphone to this jack This is a mono input If you connect a stereo output here such as a computer Line Out you will receive only Left channel audio on this jack Can I still use my phone to take regular calls or do I have to disconnect the innkeeper PBX when am not using it You can leave the innkeeper PBX in place and your telephone will continue to operate normally Audio will only pass through the hybrid when you press the Broadcast button 1 Will innkeeper PBX work with my ___ PBX phone system Probably yes We have to say probably because the handset interface is proprietary and therefore can change from model to model We have no way of predicting how a phone manufac turer will use the handset wires in the future The three handset microphone types that we support electret dynamic and car bon cover every handset microphone type that we have seen in use but the wire diagrams can change without notice Will your digital hybrid provide phantom power for a con denser mic No this device will not provide phantom power If you are con necting your microphone directly to the innkeeper PBX use a dy
8. dB peak Send LED These flashes should occur only dur ing loud speech bursts If the red LED stays lit for extended periods you can assume that much of your speech is being clipped or dis torted In this case you should decrease the Send volume control for the input that is causing the clipping Caller Signal Level The Receive LEDs only display the strength of the signal coming in from the phone line just after the DSP The Caller level control does not change what you see on these LEDs Adjust the Caller level for the best signal at the output jacks of innkeeper PBX A B C Selector Switch Use this switch to select the correct type of handset microphone your telephone uses A Electret B Carbon C Dynamic Trial and error seems to work best in determining which handset type to use Your innkeeper PBX will only function correctly if the handset type selector switch is in the correct position This switch changes sig nal level impedance and wiring to accommodate the differences in handset microphone types To determine the correct position you should place a call to another telephone line then try to send audio to the phone line through the input jack of the innkeeper PBX While doing this switch between the three different handset type positions Choose the position that works best by monitoring the audio quality and Send LEDs Although not conclusive the following guidelines may help The majority of newer telephones have electret t
9. e Phone Line Isolation Ringer Frequency Response Power Size Weight Balanced Female XLR 1k ohm 10 mV RMS 35 dBv nom Mic Line pad switch 4 dBv max 3 5mm mono 20k ohm 250 mV RMS 10 dBv nom Male XLR 200 ohm 500 mV RMS 4 dBv max 3 5mm stereo 50 ohm 250 mV RMS 0 dBv max Left Send Right Caller 3 5mm stereo 8 ohms 250 mW mixed send and receive RJ11C RJ11C 1500 VAC 0 5B REN Telephone side 200 Hz 3600 Hz 120 240 VAC power supply included 7 x 6 x 1 6 18 x 15 x 4 2 cm 2 2 pounds 1 kg 12 Connection Although each application may require a slightly different setup there are two primary configurations For a direct connection to innkeeper PBX 7 a 1 a a nnkeeper JB i t 1 fr Handset Prde mie ankeet in ou in ono Stere n 7 Handset cable Connect the supplied RJ 22 handset cable be tween the jack marked Phone on the back of innkeeper PBX and to the handset jack on the base of your telephone Handset Connect your telephone handset to the RJ 22 jack on the back of the innkeeper PBX marked Handset Send Audio Connect a dynamic microphone cable to the Send 1 jack on the innkeeper PBX Be sure to set the Mic Line switch to the Mic position Output Connect a stereo cable from the mini jack Stereo Out on the innkeeper PBX to the Line Input on your computer sound card mini disk recorder or other equipment Power Con
10. namic mic Why can t I dial out on my phone and hear a lot of noise on the call The innkeeper PBX will not work with any telephone that has a keypad in the handset You need to use a telephone with a stan dard handset Can innkeeper PBX auto answer or auto disconnect No the handset cord on your phone is only active if the handset is off hook This must be done manually So there is no way to auto disconnect You must return the handset to the cradle have everything connected correctly Why can t the caller hear me There are two things you should check First the position of the A B C switch which will probably use either setting A or C Next you cannot use the speakerphone function on your telephone during your recording Innkeeper PBX accesses audio through the handset cord With the speakerphone turned on there is no audio going through the handset You must use a microphone Why is there a loud hum on the output of my innkeeper PBX even when nothing else is connected Make certain you are using the regulated power supply that was shipped with this unit Power supplies are not all the same 10 e Using balanced XLR cables not included with 1 4 TRS adapt ers if necessary for your mixer make all connections as shown On your mixer and on innkeeper PBX set all controls to nominal levels usually 12 00 On your mixer set local microphone channel input gain for good microphone level On your mixe
11. nect 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 flash the 9 dB green LED If you flash the 3 dB red LED lower the level Set the Caller control for good recording level of the caller audio at the output jack Computer Sound Card Line Line Mic EN f inae Handset Broadcast Send ON 20 9 3 e 00o 5 0 Power Connection continued To connect innkeeper PBX through a mixer Mix Minus Setup il f i q ef BRS Connect Aux or FX Send on mixer to Send 1 on innkeeper PBX Mic Line button out Line M Laddu To Use Main Outputs USB or Firewire Connect Caller to any line level input on mixer i S ele aH T c RM T L R connectors to send audio to recording device or broadcasting equipment inputs 300000000 O 00000000 O For whichever input channel you have the Caller connected to turn the corresponding Aux control to minimum usually hard left All other Aux
12. nformation a The line to which you will connect the telephone equipment that is your telephone number and 10 11 Features 1 2 3 4 5 6 7 8 9 iia amie Digital Hybrid Hahdset Broadcast Sehd Send 1 Send 2 Caller EOC JK Audio eadphones A 10 11 Handset Button Press this button to use the handset as if you were on a normal telephone call Broadcast Button Press this button to disable the handset and activate the innkeeper PBX for use as a digital hybrid Send 1 Level Adjusts the signal level that you are sending down the telephone line through the female XLR input Send 2 Level Adjusts the signal level that you are sending down the telephone line through the 3 5mm mini jack input Caller Level Adjusts the level of the signal coming in from the telephone line as it is going out the output jacks Headphone Level Adjusts the signal level coming from the 3 5mm front panel headphone jack Headphones The 3 5mm stereo headphone jack contains a mix of both the Send input audio and the Caller audio ON LED Lit when you are on line with a call using the hybrid Send LEDs Displays the signal level going to the phone line Power LED Lit when unit is plugged in and receiving power Receive LEDs Displays the signal level coming from the phone line after the DSP This signal level will not change when you adjust the Caller knob 3 Features sec 12
13. ny 15 FCC Part 15 Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Changes or modifications not expressly approved by JK Audio can void the user s authority to operate the equipment FCC Registration Your new JK Audio product has been registered with the Federal Communications Commission FCC This product complies with the standards in Part 68 of the FCC rules 1 Connection and use with the nationwide telephone network The FCC requires that you connect this telephone equipment to the national telephone network through a USOC RJ 11C modular telephone jack This equipment may not be used with Party Line Service or Coin Telephone Lines This equipment is hearing aid compatible 2 Information for the telephone company Upon request from your local telephone company you are required to provide the following i
14. r set all output faders and the main mix control for good recording level of the local audio On your mixer set the headphone level for comfortable listening On your mixer set the Caller channel input gain to line level if there is a selector switch If there is no line level input and you must connect the Caller to a Mic in turn the input gain way down On your mixer set the Aux control for Caller channel only to mini mum zero or Aux controls for all other channels should ini tially be set at 12 00 Set Aux Send Master for good overall level Place a test call to a quiet location Set the A B C switch on the innkeeper PBX for best audio On your mixer set the Aux Send control so that while you are speaking into the microphone the Send LEDs on the hybrid light the 20 dB green LED consistently and flash the 9 dB green LED If you flash the 3 dB red LED lower the level On your mixer set the Caller channel output level for good re cording level of the caller audio If you need more control of this level on the mixer first adjust the caller channel input gain if ap plicable then adjust the Caller control on the innkeeper PBX Mix Minus Setup 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 Callers audio back to the innkeeper PBX through Send 1 will cause an echo or feedback If your mixer does not have an Aux Send
15. ted to the telephone line Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call In most but not all areas the sum of the RENs should not exceed 5 0 To be certain of the number of devices that may be connected to the line as determined by the total RENs contact the local telephone company Repair Instructions If it is determined that your telephone equipment is malfunctioning the FCC requires that it not be used and that it be unplugged from the modular outlet until the problem has been corrected Repairs to this telephone equipment can only be made by the manufacturer or its authorized agents or by others who may be authorized by the FCC For repair procedures follow the instructions outlined under the warranty section of the manual Rights of the telephone company If telephone equipment is causing harm to the network the telephone company may temporarily discontinue your telephone service If possible they ll notify you before they interrupt service If advanced notice isn t practical you ll be notified as soon as possible You ll be given the opportunity to correct the problem and you ll be informed of your right to file a complaint with the FCC Your telephone company may make changes in its facilities equipment operations or procedures that could affect the proper functioning of your JK Audio product If such changes are planned you ll be notified by your telephone compa
16. ype microphones and will use the A position Older telephones that have the round screw type handsets con tain carbon microphones and use the B position Many Radio Shack Panasonic and Nortel telephones have dynamic microphone types and use the C position
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