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Four-wire digital interface – Polycom SpectraLink SCM408 User Manual

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SpectraLink 6100 MCU: Installation and Operation: SpectraLink 6000 System

PN: 1725-36097-001_L.doc

22

Four-wire digital interface

The wiring diagram below shows the connections required for a four-

wire interface . Each MCU of this type requires two demarcation

blocks which will be wired as indicated.

Four-wire Digital Connection