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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Radio, Navigation, Telephone, Pcm & Park Assistant - Diagnosis) >> Telephone/telematics control module function >> PCM2 control module (head unit)

PCM2 control module (head unit)

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The PCM2 control module (head unit) includes the following components: 

Internal: 

PCM2 gateway

PCM2 Man Machine Interface (MMI)

Amplifier (internal)

Tuner

Single CD

Navigation (optional/insertion)

VOCS (voice control system) (optional/insertion)

Controller Area Network (CAN) Comfort

MOST switch

External: 

External amplifier (optional, Harman or BOSE)

Telephone/telematics (optional)

CD changer (CDC), (optional)

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

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