Troubleshooting - OHP 4500

Here are four simple steps for connecting the OHP 4500 (or 4000) to a PBX or KEY phone system.

Step 1:
Plug the AC adapter into a 110V power outlet.
Step 2:
Plug the other end of the power cord into the 9V DC jack on the back.
Step 3:
Plug the audio cable into the "audio out" jack on the back.
Step 4:
Plug the other end of the audio cable into your PBX or KEY phone system's "music-on-hold" input.


Once you've completed the above steps, use a cell phone or outside fax line and call the main office number. Put that call on hold. Do you hear music? YES or NO
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