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Operation 

Connecting Cables 

Although each application will require a slightly different 
setup, standard configuration is as follows: 
 
Handset cable  - Connect the supplied RJ-22 handset cable 
between the jack marked "Phone" on the front or back of 
PBXport and to the handset jack on the base of your tele-
phone. 
 
Handset - Connect your telephone handset to the RJ-22 jack 
on the front or back of the PBXport marked "Handset".  You 
must keep a handset connected at all times, even when you 
are not using it. 
 
Send Audio - Connect a microphone directly or a mixing con-
sole mix-minus output to the Send jack on the PBXport.  Be 
sure to set the PBXport mic/line switch to the proper position 
for your application.  Mic = microphone connected directly, 
Line = line level output from your audio equipment.  More 
about mix-minus on page 5. 
 
Caller Audio - Connect the Caller Out jack to a line level input 
on your mixing console or audio equipment. 
 
Power - Connect the supplied AC power cable to the back of 
the PBXport and then to an AC power outlet. 
 
Your PBXport is now ready to take calls. 
 
PBXport will disable the telephone handset microphone when 
you press the Online button. Use your telephone to place or 
screen a call. When you are ready to take the call on 
PBXport, simply press the Online button. Make sure you do 
not put the handset back in it's cradle while you are on a call. 
This will still drop the call even though the handset itself is 
disabled. If you need to take the call back on your telephone, 
simply press the Handset button on PBXport. This will disable 

Summary of Contents for PBXport

Page 1: ...PBXport Rackmount PBX Digital Hybrid JK Audio User Guide...

Page 2: ...io We use a 16 bit DSP Digital Signal Processor to continuously monitor the audio signals from the telephone to deliver excellent separation Our dual convergence algorithm can achieve excellent trans...

Page 3: ...signal coming in from the tele phone line going out the Mix output jack 9 Mix Monitor jack 1 4 stereo headphone jack containing the same mix as the Mix output jack 10 Mix Monitor Level Adjusts the si...

Page 4: ...ne switch Sets the front end sensitivity of the Send XLR input Set to Mic if you intend to plug a microphone di rectly to the Send jack Set to Line if you are connecting to the line output or auxiliar...

Page 5: ...nnel you have the Caller connected to turn the corresponding Aux control to minimum usually hard left All other Aux controls should be set for what you want to send to the phone line Each Aux Send bus...

Page 6: ...ition for your application Mic microphone connected directly Line line level output from your audio equipment More about mix minus on page 5 Caller Audio Connect the Caller Out jack to a line level in...

Page 7: ...e clipping Receive Signal Level The receive LEDs display the signal coming from the phone line and out of the DSP The Caller level control does not change what you see on these LEDs Adjust the Caller...

Page 8: ...position you must place a call to a nearby telephone then try to send audio into the PBXport through the inputs While doing this switch between the three different handset type positions Choose the po...

Page 9: ...the incoming audio level enough you may need to change jumper J11 There are three possible settings to adjust Caller Receive level Pins 1 2 closed 0 dB factory default Pins 2 3 closed 10 dB Pins 1 3...

Page 10: ...set is off hook This is done manually There is no way then to auto disconnect You must re turn the handset to the cradle Why can t I dial out on my phone or I hear a lot of noise on the call PBX Port...

Page 11: ...to maintain the correct impedance for your telephone The PBXport is not providing any enough separa tion of Send and Caller audio The A B C handset type selector switch must be set to the correct pos...

Page 12: ...one that has a keypad in the handset If using a mixer you must use a mix minus signal to the Send input Page 5 You must set the A B C switch to the correct handset type position for your particular te...

Page 13: ...nom 14 dBu Max output Mix Out Male XLR 200 ohms 500 mV RMS nom 14 dBu Max output Headphone 1 4 Stereo 8 ohms 250 mW per channel Speaker Screw Terminals 8 ohms 1 watt max Handset Connectors RJ22 Phone...

Page 14: ...essly 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 pro...

Page 15: ...tlet 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 pro...

Page 16: ...ll 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 EX...

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