Universal Cell phone Interface (UPCI [UHI]) control unit, component description - GF82.70-P-5101LE
MODEL 216, 221 up to 31.5.09 with CODE (386) Preinstallation for telephone "Handy", UPCI system with CODE (389) Mobile phone preinstallation with universal interface, USA/Canada as of model year 2009/YoM 08
Shown on model 221
Location
The UPCI control unit (Universal Portable Cell Phone Interface) is located on the left in the trunk.
Task
The UHI control unit (universal cell phone interface) has for the following tasks:
- Conversion of signals
- Reading in of signals
- Transmitting signals
Conversion of signals
The UPCI (Universal Portable Cell Phone Interface) control unit converts electrical signals into optical signals and vice-versa.
Reading in of signals
Signals are read in via the following connections:
- Direct lines
- Media Oriented System Transport (MOST)
Direct lines
The following signals are read in with direct lines:
- Electronic wake-up for MOST
- Voice signals from hands-free system microphone group (A67b1)
- Signals from Bluetooth antenna (A2/91)
MOST
The following signals are read in via MOST:
- Control and audio signals from the COMAND control unit (A40/3)
- Audio signals from the audio tuner control unit (N93/1)
- Control signals from voice control system control unit (VCS) (N41/3) (with code (813) Voice control system (VCS))
Transmitting signals
Signals are sent through the following connection:
- Direct lines
Direct lines
The following signals are sent in with direct lines:
- On/off signals to the E-net compensator (A28/3 (with code (386) Preinstallation for telephone "cell phone", UPCI [UHI] system
- On/off signals to the cell phone antenna amplifier (A28/2) (with code (389) Mobile phone preinstallation with universal interface, USA/Canada)
- Mobile phone signals and data via the screened wiring harness to the cradle
| Wiring diagram for telephone (TEL) control unit | Model 216 | PE82.70-P-2101-99CAA | |
| Model 221 | PE82.70-P-2101-99SAA |