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Home >> Porsche >> 2004 >> Cayenne Turbo >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Pcm2/CDR23 - Cd-Radio >> PCM2/CDR23 control module function >> MOST switch
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MOST switch

The MOST switch is part of the PCM2. It keeps the electrical MOST closed if no other MOST control module is optically connected to the MOST. The MOST switch is opened when a light signal is received from the connected MOST control modules.

NOTE:
  • When the PCM2 is replaced, the coding must be performed in accordance with the connected MOST control modules.
  • When the 'Switch closed' parameter is set, the switch remains closed even in existing MOST control modules. Communication is then not possible.
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