Product User Manual
Contents
1. Innkeeper 2 4 is covered by a 2 year warranty to be free from defective workmanship and materials In the event that the innkeeper 2 4 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 m back to you UPS ground No free repairs will be made if i n n kee per 2 the defect was caused by misuse weather conditions or other cause except for defective workmanship or materials THERE ARE NO EXPRESSED OR IMPLIED innkeeper 4 WARRANTIES WHICH EXTEND BEYOND THE WARRANTY HERE MADE Multi Line Digital Hybrids User Guide 11 11 JK Audio Inc 1311 E 6th Street Sandwich IL 60548 USA JK Audio Voice 815 786 2929 Toll Free 800 JK Audio Fax 815 786 8502 info jkaudio com www jkaudio com Copyright 2007 JK Audio All rights reserved Introduction Innkeeper multi line digital hybrids will allow you to send and receive audio over analog telephone lines While this may seem like a simple task that any telephone can do the chal lenge is getting the best quality audio from such a limited audio path What is a Digital Hybrid A digital hybrid connects audio signals to a standard analog telephone line without the variations in quality found with ana log hybrids The main function of a hybrid is to bring in the call ers voice from the phone line as clear and clean as possible In the real world when you send your voice d2. pin i Can plug a mic into one of the female XLR jacks No these are line level inputs only How do adjust signal levels l Use menu settings to change input and output levels 10dB What happens to the phone connection if power is momen tarily interrupted FCC and International telecom rules require that we drop the connection if power is lost for any period of time We strongly suggest that you use a low cost computer style UPS system if uninterrupted service is required Optional Remote Interface Unit RIU IP The JK Audio Remote Interface Unit was designed for use with inn keeper 2 and innkeeper 4 as well as innkeeper 1x 1rx digital hybrids This unit contains a web server which allows the user to send and receive control data through their web browser RIU IP can be con nected to the user s computer NIC card for direct control to a switch or hub for network control or to an Ethernet port with internet access for control from anywhere in the world RIU IP features and capabilities when used with innkeeper 2 4 RJ 45 Ethernet port RS 232 remote control port with simple ASCII protocol No external power required Indication of incoming ring per line On Hook and Off Hook Place call on hold or release hold Dial number line Auto Answer on off set ring count Test tone start stop per line Automatic Gain Control on off Audio level Send and Receive Master Send on off Phone Book updates C
3. to Phone Line 1 and Line 2 Send audio will only go to Line 2 You may still use the Master Send input to send a common audio sig nal to both phone lines Conf Caller Mix Mode 3 5 2 innkeeper 2 only Configure the Caller Mix Mode to No Mix default Caller Mix or Full Mix Minus The No Mix option does not mix any audio together on the Caller output jacks Caller 1 out will contain Line 1 Caller audio and Caller 2 out will contain Line 2 Caller audio The Caller Mix option mixes together both caller audio signals on both Caller output jacks Caller 1 and Caller 2 outputs will contain both Line 1 and Line 2 caller audio The Full Mix Minus option provides a mix minus signal output on both Caller output jacks Caller 1 out will contain Line 1 caller audio Line 2 caller audio and Send 2 audio Caller 2 out will contain Line 1 caller audio Line 2 caller audio and Send 1 audio Config Presets 3 6 With this menu you can save and restore cus tom presets or reset the unit to factory default presets Config Presets Default 3 6 1 Here you may restore factory de fault presets You will be prompted to confirm Factory Reset after se lecting this option Config Presets Custom 3 6 2 Here you may save and restore custom presets based upon your current configuration 11
4. atus signal Line 4 OH control Ground Jumper closed static O OND OF BR W PP Jumper open momentary e O VBn Verbose VBO VBI VB2 VB3 Sets varying levels of Verbose mode from no echo of response VBO abbreviated echo VB1 or VB2 or full echo VB3 Call Line ee Off hook line control for each line LxDR DropLine fo On hook line control for each line AAy Auto Answer Off 0 Activate deactivate auto answer mode ON 1 mode for each line ARv Set auto answer ring count from 1 7 rings per line default is 3 Place specified line on hold or re HOLD 1 lease hold Set send transmit audio level for specified line from 10 to 10dBu Set caller receive audio level for Level specified line from 10 to 10dBu LxDly Dial phone Digit string Dial phone number on selected line number up to 20 digits line will automati cally go off hook CNv Conference OFF 0 innkeeper 2 only Conference both ON 1 phone lines together PBy Phone Book Upload Download each entry from to ASCII file on user PC and innkeeper 2 4 PEy Phone Book TBD Manipulate individual phone book View Add entries Delete Entry both lines must be off hook first LxMSv Master Send OFF 0 Activate deactivate master send ON mode for each line Upload download entire phonebook entry list 20 characters per name and 20 digits per phone number for 1 13 Multi Tap Key Legend These character sets are active only when entering the Name
5. connect the call This terminal block was designed to allow remote off hook on hook control and status for each phone line The innkeeper 2 model also provides on off control and status for the Conference feature Use only the included RJ 50 cable to connect the Remote Terminal Block to the Remote jack on the innkeeper 2 4 The OH Status pin will provide 5V 50mA when the corresponding line is off hook You can use this to drive a relay light an LED etc NOTE Installation of jumper J5 will set static OH line control so that a steady ground on any control input will take the corresponding line off hook otherwise the line will re main on hook Removal of jumper J5 will return OH line control to its original momentary control mode so that any line control input that is momentarily brought to ground for a min of 100ms will toggle switch the corresponding line state between on hook or off hook as determined by the given line s previous state Terminal Block Pinout Le Ls Le Ls Led Led el Led Lel GRD L1 ST L1 CNT L2 ST L2 CNT L3 ST L3 CNT L4 ST L4 CNT GND Terminal uein Terminal Description Number 1 Ground Line 1 OH status signal Line 1 OH control ee oa 7 mode mode Line 2 OH status signal momentary or static line control selection for all lines is made via jumper J5 on the main circuit board Line 2 OH control Line 3 OH status signal Line 3 OH control Line 4 OH st
6. e either the arrow keys to scroll through the menus or the keypad to directly select menus and use the Enter button or the keypad to make your selections Through the menu you have access to the following configuration settings The indicate the numeric entry used to access these menus without scrolling For example to access the Call History View menu directly you would press 2 Enter 1 Enter Phone Book 1 A 50 entry name and number phone book for stor ing speed dial numbers Phone Book View 1 1 Allows you to view name and phone num bers of added entries You may dial the selected entry from this menu by simply pressing the Call button on any phone line Phone Book Add Entry 1 2 You may add new entries from this menu After pressing Enter you will be prompted for the phone num ber You may enter a 2 second pause in your phone number entry by pressing the gt key Multiple gt key presses will enter multiple 2 sec ond pauses The display will show a between the numbers for each 2 second pause entered After the Enter key is pressed again you will be prompted for the entry Name Alpha characters may be selected by using the multi tap feature For example to enter the character a you would press the 2 key To enter b you would press the 2 key twice Hitting a new key the Next gt key or waiting 2 seconds will accept the current character and move the cursor for ward See page 10 for multi tap key legend Phone Book D
7. e s connected will only work with cor responding phone line jack The auxiliary telephone should be used only for dialing and answering calls Caller XLR Balanced line level XLR outputs containing Caller audio from the corresponding phone line Send XLR Balanced line level XLR inputs used to send audio to the corresponding phone line Master Send Balanced line level XLR input may send audio to any or all of the phone lines based upon controls set within the menu Remote Jack Proprietary 10 pin RJ 50 for connection to a re mote terminal interface The included terminal block features an Off Hook signal pin and a Call Drop control pin for each channel See page 8 This jack can also be used for connection to the optional JK Audio RIU IP remote interface see page 16 AC connector Connect to 120 240 VAC 50 60 Hz power outlet Specifications Inputs Line Master Send Outputs Line Handset Phone Line Aux Phone Isolation Ringer Frequency Response Power Size Weight Remote Connector Balanced Female XLR 20k ohm 10 dBu max Balanced Female XLR 20k ohm 10 dBu max Balanced Male XLR 200 ohm 14 dBu max Front panel handset jacks biased for electret handset not included RJ 11C RJ 11C 1500 VAC 0 5B REN Telephone Side 200 Hz 3600 Hz 120 240 VAC 50 60 Hz Power supply internal 19 x 7 3 x 1 75 26 7 x 18 6 x 4 5 cm 7 2 pounds 3 2 kg RJ 50 10
8. elete Entry 1 3 Entries may be deleted individually from this menu You will be prompted to confirm delete of an entry Phone Book Clear 1 4 Press enter from this menu to clear all phone book entries You will be prompted to confirm your intent to clear the entire phone book before deletion Call History 2 Calls you place will automatically be entered into the Call History menu The Call History menu will hold up to 16 numbers Operation Menu Display continued Call History View 2 1 Allows you to view name and phone num bers of automatically added entries You may dial the selected entry from this menu by simply pressing the Call button on any phone line Call History Clear 2 2 Press Enter from this menu to clear all auto matically added history entries You will be prompted to confirm your intent to clear the entire call history before deletion Config 3 This menu allows you to control Auto Answer Auto Disconnect Audio Levels Master Send Calibration Conferencing and Restore Factory Default or Custom Settings Config Auto Answer 3 1 Here you can configure Auto Answer Config Auto Answer On Off 3 1 1 This menu allows you to turn Auto Answer on and off for each line independently or for all lines Config Auto Answer Ring Count 3 1 2 Select the number of rings before the unit auto answers on each line individually or on all lines Config Audio Levels 3 2 Audio levels for each phone line input and o
9. he menu Keypad Use these keys to dial a phone number or manually en ter menu selection codes Call Buttons Press these buttons to take the corresponding phone line off hook or manually answer an incoming call Drop Buttons Press these buttons to manually drop a call or place the corresponding phone line on hook OH LED Off Hook LED lights when the corresponding phone line is off hook or on line with a call Also functions as a visual ring in dicator and will flicker when ring voltage is present on the corre sponding phone line Transmit LED Bi color Transmit LED will light green when audio is being sent down the corresponding phone line at 20 dB or greater signal level LED will change to red to indicate clipping at 3 dB Receive LED Bi color Receive LED indicates that caller audio is present on the corresponding phone line at 20 dB or greater sig nal level if green and 3 dB or greater if red Conference button Use this feature to conference together lines 1 and 2 when both lines are off hook This feature is available on innkeeper 2 only Monitor Handset Jacks Used to connect an electret type handset for communication on the corresponding phone line Features Rear View 12 13 14 15 16 17 18 13 15 Phone Line Jack RJ 11 phone line jacks for connection to ana log phone lines Auxiliary Phone Jack RJ 11 phone jacks for connection to ana log telephone s Telephon
10. of your phone book entry While entering the phone number you will not have access to alpha characters Control Keys lt Clear last character gt Next Accept current character Shift press before each uppercase entry Space Character Keys 1 amp 11 2 abec2 3 det 3 4 ghi4 5 jk15 6 mno6 7 pqrs7 8 tuv8 9 wxyz9 Serial Remote Control Commands The ASCII commands listed on the following page can be entered through the serial port on your computer by using the DB9 connector on the RIU Any terminal emulation program on your computer such as HyperTerminal can be accessed using these parameters Baud rate 9600 Stop bits 1 Parity none Flow control none Notes All commands begin with the character and will be executed on next Por Enter The line number is set to 1 by default and is changed by using the Lx parameter with the specified control command x specifies the line number 1 to 4 v specifies the parameter value to be used for the command y specifies the digit string used during manual dialing mode Status information is automatically returned during incoming state changes for the specified line number for the following line conditions on hook off hook incoming ring and line hold 12 Operation Menu Display Menu Display and Configuration Controls The innkeeper 2 4 menu is controlled by the directional arrows alpha numeric keypad and Enter button You may us
11. onference Mode on off innkeeper 2 only Contact your JK Audio dealer for more information on this product 16 Connection Mix Minus Setup iaiu BA Each Le sr le to any Aux Send 1 to Send 1 line level a ra i Aux Send 2 to Send 2 ai A i of mics on mixer a a bite a fan Turn only these A Ai two knobs all the O O O way down so xl ay clay clays Fs this audio does Oro l es not go back to he e Lats the same caller O lo 1S Turn all other IF igy ii knobs up so each caller can hear all mics and other callers For whichever input channel you have each Caller connected to turn the corresponding Aux control to minimum usually hard left so each Caller will not hear their own audio Each Aux Send bus is completely separate from all other outputs so each row of Aux controls will not affect what is heard on the Main outputs or on other Aux buses If possible the Aux Send buses should be pre fader so you can use the fader controls to set the levels of each channel to the main output without affecting the audio sent to the Caller through the Aux Send buses The innkeeper 2 was used in this ex ample Follow the same strategy for an innkeeper 4 with 4 Aux Send buses Connecting Cables Although each application will require a slightly different setup the foll
12. owing is a general cable connection setup and explanation Using balanced XLR cables not included with 1 4 TRS adapters if neces sary for your mixer make all connections as shown e Phone Line Connect the supplied RJ 11 phone line cable s be tween the RJ 11 jack s marked Line and your wall jack s Be sure these jacks can support standard analog telephone opera tion The innkeeper 2 4 will not work with dry pair phone line con nections e Send XLR Connect a line level mix minus audio signal to the Send jack s on the innkeeper 2 4 Audio will be sent down only the corresponding phone line e Master Send XLR Connect a line level mix minus audio signal to the Master Send input Audio will be sent down either or both phone lines based upon your menu selections e Caller XLR Connect Caller output s to line level input s on your audio equipment Each caller output jack will contain audio only from its corresponding phone line Local audio and audio from al ternate phone lines will not be present on these jacks Innkeeper 2 can send isolated caller audio mixed caller audio or mixed caller and local audio from the Caller XLR based on selections made in the Conferencing menu e Power Connect the supplied power cable to a 110 220 VAC power outlet Auxiliary Telephone s You can use an auxiliary telephone to place or screen a call When you are ready to take the call on innkeeper 2 4 press the Call button for
13. own the telephone line it has a tendency to bleed over into the callers audio The hybrid must adapt to the phone line in order to properly sepa rate transmit and receive audio We use a 16 bit DSP to con tinuously monitor the phone line and audio signals to deliver excellent separation Our dual convergence algorithm can achieve excellent trans hybrid loss typically exceeding 50 dB without any setup Ready to go The innkeeper 2 4 features diagrams will help you pinpoint 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 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 connected 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 3 Repai
14. quipment 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 information a The line to which you will connect the telephone equipment that is your telephone number and 18 10 11 6 9 10 Backlit LDC menu display 2x20 characters Directional Arrow Keys Press these buttons to navigate through the menu Enter Button Press this button to make a selection on t
15. r Instructions lf 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 4 Rights of the telephone company lf 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 company 19 Features Front View 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 e
16. the corresponding phone line That line will now pass through the digital hybrid If your telephone has a Hold feature you can answer the phone and place the call on hold When you press the Call but ton the innkeeper will automatically release the hold and connect that line through the hybrid If you need to take the call back on the auxiliary telephone simply pick up the phone before the innkeeper 2 4 Drop button is pressed for that line 6 Operation Conference Options Advanced Conference Options Signal Flow Diagrams Default Send Mix Caller No Mix Caller 1 Caller 1 is See Line 1 Line 2 Line 1 Line 2 oo 6 Send Caller Caller 1 5 L S Line 1 Line 2 inei Tres J FONOS Send Caller Send Caller Send Caller Send Caller 15 Operation Conference innkeeper 2 only Conference One press of the conference button will join the audio paths of both line one and line two provided there are calls present on both lines A second press of the conference button will break the audio paths between the calls An auto dropped or manually dropped line will automatically break the conference By default line1 send and line send audio will be mixed together digitally and sent into both phone lines Line 1 caller will hear line 2 caller audio Line 2 caller will also hear line 1 caller audio In the menu this configuration is referred to as Send Mix Caller No Mix This default config
17. the signal level as it goes out over the phone line The LED will display transmit signal levels at 20 dB as green and indicate clipping at 3 dB as red 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 clipping Adjust your Send audio signals to a level slightly less than the point where you see occasional flashes of red on the Transmit LED These flashes should occur during loud speech bursts only If the Transmit LED Stays lit red for extended periods you can assume that much of your speech is being clipped or distorted In this case you should lower the audio levels for the signal that is causing the clipping The innkeeper 2 4 menu will also allow you to adjust your input levels in 1 dB incre ments over a 10 dB range Receive Signals The bi color Receive LED displays the signal coming from the phone line and out of the DSP The LED will display receive signal levels at 20 dB as green up to 3 dB where it will change to red The inn keeper 2 4 menu will allow you to adjust individual Caller output lev els in 1 dB increments over a 10 dB range to give you the best sig nal level at your equipment The Caller level control in the menu will not change what you see on the Receive LED Auto Answer The Auto Answer feature can be activated through the innkeeper 2 4 menu You may select which phone lines will have auto answer en abled as well as how many rings before a
18. uration is by far the most widely used Advanced options are available for Conference mode however for most situa tions it will not be necessary to change these default options Innkeeper 2 Advanced Conference Options The factory default conference mode provides both callers with a mix of Line 1 Send and Line 2 Send audio Additional mix options can be found in the Configuration menu These options allow you to enable and disable Send and Caller mix features Keep in mind that no mat ter what options are selected both callers will always be able to com municate with each other in Conference mode Send Mix default Line 1 send and Line 2 send audio mixed and sent to both caller lines Send No Mix Line 1 Send audio to line 1 caller Line 2 Send audio to line 2 caller Caller No Mix default Line 1 caller audio only on the Line 1 caller output XLR Line 2 caller audio only on the Line 2 caller output XLR Send audio will not be present on these outputs Caller Caller Mix Line 1 and Line 2 caller audio on both of the line 1 and line 2 caller XLR outputs Send audio will not be present on these outputs Caller Full Mix Minus A full mix of all audio on each of the caller XLR outputs minus the Send audio for that phone line Line 1 Caller XLR contains Caller 1 Caller 2 Send 2 Line 2 Caller XLR contains Caller 1 Caller 2 Send 1 14 Operation continued Transmit Signals The bi color Transmit LED for each line displays
19. uto answer When Auto Answer is enabled you can still take calls manually using the call button When finished you can either drop the call manually or allow the call to auto disconnect Innkeeper 2 4 will look for a CPC discon nect signal or ROH message from the phone company to determine when a call has disconnected This can take up to a minute Remote Jack The 10 pin RJ 50 jack on the back of the innkeeper 2 4 provides a proprietary connection to the supplied remote terminal block see page 8 using the supplied 1 meter cable This jack can also be used to connect to the optional JK Audio RIU IP remote interface unit see page 16 Serial Remote Control Commands AT or Returns product version and status LxST Line State On hook 0 Returns state information for the Off hook 1 specified line Ring 2 Hold 3 ESC Escape Escape current command before exe cution Remote Terminal Block Remote Terminal Block A Remote Terminal Block has been provided in this package with a special 1 meter RJ 50 cable for connection to your innkeeper 2 4 The Remote Terminal Block includes an Off Hook signal pin and a Call Drop control pin for each phone line channel The OH signal pin is current limited to 50 mA 5 VDC The control pin toggles the corre sponding phone line off hook on hook with a connection break from ground Connecting a Line OH Control pin to the Ground pin will take that line off hook breaking this contact will dis
20. utput can be set here The Audio Levels menu allows you to adjust audio in 1 dB increments over a 10 dB range You may adjust the levels of the Send inputs as well as the Caller outputs Config Audio Levels Send 3 2 1 Send input levels can be set for each line individually or all lines These settings affect the independ ent Send input as well as the Master Send for the selected line s Config Audio Levels Caller 3 2 2 Caller output levels can be set here for each line independently or all lines Config Master Send 3 3 This menu gives you the ability to turn the Master Send on or off for each line individually or all phone lines Config Calibration 3 4 Here you can send a 1kHz test tone down the phone line s and the output jacks You may turn the tone on or off for each line individually or for all lines This is not required for set ting the null This tone is only for your convenience in setting your equipment audio levels 10 Operation Menu Display continued Conference 3 5 innkeeper 2 only This menu allows you to config ure settings for the Conference feature See pages 14 15 Conf Send Mix Mode 3 5 1 innkeeper 2 only Configure the Send Mix Mode to Send Mix default or No Mix The Send Mix default option mixes both the Line 1 Send and Line 2 Send audio signals to gether and sends that audio down both phone lines The No Mix option does not mix these signals together Line 1 Send audio will only go
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