Jk-audio PBXport User Manual download pdf (Page 12)

Other Information

Screw Terminal Block

1 - Speaker (+) Minimum 8 ohms, 1 watt max

2 - Speaker (-) Use together with terminal 1

3 - Ground

4 - OH LED Supplies +4.3 VDC, 40 mA steady signal during

an Online call.

5 - Online (NO) Pull this pin to ground momentarily to simu-

late pressing the

Online button.

6 - Handset (NO) Pull this pin to ground momentarily to

simulate pressing the Handset button.

Contact your JK Audio dealer for additional information.

Helpful Hints:

PBXport will not work with any telephone 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 telephone. (page 8)

You may use either front or back panel handset jacks but not

simultaneously.

Don't overdrive the Send input. Flashes of the -3 Red Send

LED indicate distortion, clipping and reduced separation.

If your telephone has an adjustable receiver volume control,

you should set this control to the "normal" position. If the

Receive audio meter on the PBX port is showing the red

–3 dB LED, you should turn down the volume on the base

of your telephone until you see only green LEDs.

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Jk-audio PBXport User Manual Page 12