Four wire digital demarc block – SpectraLink 150 M3 MCU User Manual
Page 27
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Part Number: 72-0075-01-C-W.doc
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Four Wire Digital Demarc Block
The four wire digital interface (future release) requires two demarc blocks, one to
Connector A and one to Connector B on the MCU. They should be wired as follows.
4-Wire Connector A
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