Notes on D2B ring - AH82.70-P-0001-03J

MODEL 168 as of 7/1/98 with CODE 317 (D-net portable CTEL (D2B)) without CODE 351 (Auto Pilot System (APS)) 

• The components in the D2B ring (station components) in this case are: - Radio (A2)
  • Telephone interface (A34/4)
• The information in the D2B ring only flows in one direction (arrows). The information enters in the white insert (white) in a fiber optic cable module M1 and M2 and exits again in the red insert (red) at the next ring component. The D2B ring only is capable of functioning as a closed circuit.
  Fig 1: Identifying Radio Communication Diagram

  Courtesy of MERCEDES-BENZ USA
• The telephone interface (A34/4) is located in the front passenger footwell on a bracket on the transverse pipe behind the glove compartment.
  Fig 2: Locating Telephone Interface In Front Passenger Footwell On Bracket

  Courtesy of MERCEDES-BENZ USA

Actual configuration in vehicle with cell phone 

• Print out the actual configuration of the vehicle and use as conversion template.
  Fig 3: Cell Phone Configuration Diagram

  Courtesy of MERCEDES-BENZ USA