Music On Hold Question.

[JaseMichaels]

OK...hopefully I am in the right forum. Here is my situation. I work for a company that has an old NEC Electra Professional I system. The input for the music on hold is on the main board on a 4-pin connector. The only external source I have is from an OHP 8000. The output from this device is an RCA style output. How do I go about getting this connected into the unit? I have worked on phone systems before but this one is different. The tech that was here before me spliced the RCA cable into the orange pair and connected it to the pin assembly. I was told that at one time it worked but it no longer does. The programming on the phone is correct. Music on hold is set to 'yes' but nothing is coming out. The OHP is working as I plugged headphones into it. Please help. Thanks.

 

[Professor Shadow]

I have read your OP in General, so...

Have you tested the wiring to the speakers and verified the wiring AND the speaker are good?

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[JaseMichaels]

I'm not sure what you mean. There is an external speaker on the OHP 8000. I hear music playing on it. The previous tech actually did the splice in the box. He brought the RCA cable into the unit and spliced into the pair that attach to the music on hold connector. The other end of the music on hold wire goes to the left side of the block just like the rest of the cables. I'm not sure how to check the continuity at the connector since my meter leads are too large to touch the contacts inside the connector. Ugh! I do know that there is about 1 volt coming out of the 8000 unit because I was able to get a reading at the block. (Since the two are spliced together.)

 

[Professor Shadow]

Best to re-invent the wheel. Take a known good speaker to the KSU and test it on the output with fresh connections (and A/C if needed).
If it doesn't work there then it's either in programming or the port is bad. If it works, then advance to the next point in the cable run and test again.
If it works then the cabling and connections are good up to that point. If it doesn't work replace all the connection/wiring up to that point.
Continue until you have a working speaker.



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"Thank you for calling Technical Support. If you feel you have reached this number in error, please hang up and try again." ~Jane Barbe

 

[curlycord]

We are talking about MOH correct?
That is the music heard while on hold....nothing to do with paging, speakers or amps etc.

Maybe you can rap some cross-connect (or paper clips) around your test probes to create a small probe.


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[flhr95]

I hope you are finding a resolve to your issue.
I can't believe there is still a NEC Electra Professional alive.

 

[htc12253]

The Music On Hold (MOH) input is on the main board which will connect to the 25 pair cable on the 66 block depending on which connector it is plugged into (usually the yellow/orange pair). The cable from the MOH Unit (if it is an RCA to RCA cable) will need to have one end cut off and connected at the 66 block with the wires. Also, in Memory Block 1-51 there is a setting for turning this ON. It is probably on since you had said it previously had Music on Hold but you may want to check this to make sure it is set to YES in this program.

 

[belevedere]

It's MB 1-52 for internal VS. external MOH. 1-51 chooses one of the internal MOH tunes.

 

[JaseMichaels]

I did check the menu settings and the external music is turned on (which automatically turns off the AWFUL MIDI sounding mess). I thought about buying an RCA to RJ-11 adapter and plugging it into an RJ-11 jack. From there I would jump straight to the motherboard connector bypassing the block. This would minimize splices. The four pin connector to the motherboard has two pair of cables. One is used for external paging which is working just fine.

 

[Professor Shadow]

You could still use the 66 Block and 2P2C modular plug using a Siemon Testar-2 adapter.

https://www.amazon.com/Siemon-TESTAR-2-Block-Adapter-2-Wire/dp/B00F3W7LES

Never a good idea to terminate stranded wire on a 66 Block.

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"Thank you for calling Technical Support. If you feel you have reached this number in error, please hang up and try again." ~Jane Barbe

 

[curlycord]

Maybe also get a hold of some old PC front panel connectors, they might fit on the NEC board for testing purposes.

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[JaseMichaels]

Hey guys! Thanks for the replies. I found the issue...upon closer inspection the circuit had been burned out. I could see the black mark. No fix for that.