Thread: 706L telephone - extra gravity switch
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Old 10th Jun 2020, 4:37 pm   #2
JohnBHanson
Heptode
 
Join Date: Aug 2009
Location: Worthing, Sussex, UK.
Posts: 661
Default Re: 706L telephone - extra gravity switch
Possible for use with a pmbx 2 which use 4 wires
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