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Norstar 8 x 24 Compact ICS Music on Hold Pinout 5

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serge9

serge9

Technical User
Mar 3, 2002
389
CA

Hi Gens
on a Nortel Norstar 8 x 24 Compact ICS
in system programing Music on hold :y, background music:Y
oi tired Pin25 on Amphenol port Connector and Pin25 on Line Connector, it did not work, i can hear the music with But set, Feature 86 gives dead air on the phone speaker
where did i go wrong
or i am on the wrong PINOUT

Thanks
Serge9
 
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i connected it to pair 23
Music is set to yes, back ground music is set to yes
stil no Music coming out for on hold or back ground
i can hear the music with a but set on bix 23
i tried bix 25, still noting
thanks
 
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You put it on pair 23 of the trunk cable, not station cable, right?


 
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When checking for background music, you are going to a set, on hook, and doing Feature 86 to turn it on for that specific station, right? (Feature #86 to turn it off).

You are also aware you will hear music on hold for external calls put on hold, not for station-to-station intercom calls put on hold, yes ?

You followed exmogger's advice, yes ? (You are on violet/green from the Lines / Central Office amp)

What is your actual music source and how are you estimating the volume being output to the CICS ?
 
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yes, to all of the above
+
Feature 86 = music on
Feature # 86 = Music off

the only thing i did not check
is if pair 23 on line AMP is really well bixed Violet/green
or it is not
this i can only check next tuesday or wednsday

music source is a Radio
i use 1 telephone jack + 1 1/8 in lug converter cable
and i can hear the music befor connecting it to pair 23 on line AMP with alligator connector and a But set
radio volume is set to max, if i remove the 1/8 from the radio, the volume is extremly high

Thanks Gens
Serge9

 
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When checking the bix, also make sure the corresponding amphenol connector is squarely seated and not canted or lifting out of its mate on the ksu.

Be cautious with injecting super loud of an improvised music source as you can overload components on the ksu motherboard. Generally keep within 1 Vrms at 3300 ohm. Also, after F86, you may need to play with the local phone volume if it was last set very low.

I have seen suggestions, as a last attempt, to also flip the polarity on the MOH pair, just in case the radio is picking up a field ground of different potential than the ksu.

A bit of a long shot here, but ...

One last double check.... we are talking about a Compact ICS and not the older M8x24 console? If the older one, that case it would be the violet/slate pair which is the last pair at the bottom of the stations block. Violet slate is MOH ground and slate violet is MOH input.

Image of Compact ICS:
Image of Older M8x24:


After all of the other work you have done, if it gets to the end here, I would then suspect damage to the motherboard in the ksu.
 
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Thank You Misseditbythatmuch
yes, it is ICS Compact

i will check the bix block on tuesday or wednesday
and veryfy if the APM is sitting properly
or if i need to reverse polarity
very much appreciated
serge9
 
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You can also check MOH on pins by hooking up your tone generator turn it on grab cross wire hook it strip ends off one side place your tone generator on the stripped ends punch down the other ends on the appropriate pins do feature 86 the tone should come out on speakerphone if working properly.
 
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Thanks Alex51650
i did that did the same with the music souce, i can hear the music by connecting it to alligatore connector on the but set
but once it is punched on pin 23 line cable, i can not hear it with the same alligator connector or by doing feautre 86
when i do feature 86 i hear shoshsh
no music just silence
 
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i also thoght that the pair 23 is split and wrongly punched but when i checked it, it was the violet/green pair?

testing pair 23 with Ohm meter (that is a great idea)
i will test it tomorrow before replacing the AMPs

i suppose i should do a shut down first or can i replace it while the system is running (stupid question i suppose!)

Thanks Gens, you are Great people

Serge9
 
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You can leave it running but no lines would be accessable during the test.

Just put some tone on 23rd pair, swap amps quickly and see if you get BGM, if not sounds like the port is toasted.



=----(((((((((()----=
curlycord
 
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Thank you Curlycord
will try it tomorrow
Thanks again :)
Serge9
 
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