Component description for Digital Audio Broadcasting control unit - GF82.62-P-5000LE

MODEL 216, 221 with CODE (537) Digital radio as of model year 2009/YoM 08 

Shown on model 221 

Location 

The Digital Audio Broadcasting control unit is located at the left in the trunk behind the paneling.

Task 

The Digital Audio Broadcasting control unit has the following tasks:

• Reading in of signals 
• Decoding of signals 
• Transmit signals 

Reading in of signals 

Signals are read in via the following connections:

• Direct line 

Direct line 

The following signals are read in via direct lines:

• Electronic wake-up for Media Oriented System Transport (MOST)
• Digital Audio Broadcasting (Digital Radio) (DAB) L-band signals from DAB L-band antenna (A2/49a5) (model 221) or from DAB L-band antenna (A95/1) (model 216)
• Band III signals from rear window antenna amplifier module (A2/12)

Decoding of signals 

The Digital Audio Broadcasting control unit decodes the DAB L-band signals and band III signals to obtain pulse code modulation signals.

Transmit signals 

Signals are sent through the following connection:

• MOST 

MOST 

The following signals are transmitted via MOST:

• Pulse code modulation signals
• Audio signals to the audio tuner control unit (N93/1) or the digital sound processor (A2/69) (model 221 as of 1.9.10 with code (811) Advanced Sound System)
• DAB status and list of stations to COMAND controller unit (A40/3)

	Wiring diagram for Digital Audio Broadcasting control unit system (DAB)	Model 216	PE82.60-P-2302-97CAA
		Model 221	PE82.60-P-2302-97SAA