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Nortel Key Lamp Module 48 Button 4

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vegasnortel

Vendor
Dec 24, 2001
117
US
vp 324 gets hot and not lighting up the module,Any suggestion? patched to 5 and 6 on the cat 5 jack
 
is the btn pgm as an internal autodial? Do a btn inquiry. F*0
 
KLMs are polarity sensitive. Positive needs to be on Tip.

Adversity is Opportunity
 
thanks for all your help, Just to clarify rg11 jack pin out 1&4 power, 2&3 line from PBX
Cat 5 module 4&5 line, 3&6 power from VP324 3 Positive 6 Negative Could of already burded out if it was reversed?
 
Reversing the polarity shouldn't hurt the KLM, it just won't work. If none of the buttons are working, follow Dewey's suggestion, and flip the pair.
 
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