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Home >> Porsche >> 2011 >> 911 Speedster >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Radio, Navigation & Pcm Diagnosis - 911 CARRERA (996)) >> CD changer control module function >> PCM2 control module (head unit). >> External:

PCM2 control module (head unit).: External:

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External amplifier (optional, Harman or BOSE).

CD changer (CDC), (optional).

Telephone/telematics (optional).

The PCM2 consists of at least two but a maximum of four MOST nodes, (Gateway, MMI and optional Navigation and VOCS (optional)), which communicate electronically with each other via MOST. Data is transferred outside of the PCM2 via the optical MOST.