Telematic Control Unit Tcu - BMW E85 Manual

- Telematic Control Unit TCU

The Telematic Control Unit TCU is the transmit and receive unit
for the built-in "Professional" telephone.
The TCU contains the following assemblies:
- The power supply and power management
- The microprocessor for control of all functions
- The transmit/receive module NAD (Network Access Device),
which enables access to the various telephone systems (GSM,
CDMA/AMPS, PDC) depending on country configuration
- The Bluetooth module as interface for communication with the
SBDH and/or other Bluetooth devices
- A digital, full-duplex hands-free unit
- A K-bus interface for connection to the vehicle
- Interfaces for all necessary components
(SIM card reader, eject box, etc.)
- Aerial interfaces for GSM and Bluetooth aerial
Fig. 42: Telematic Control Unit TCU
TCU
The TCU is fitted in the luggage compartment at the separating
wall beside the video module.
E85 Information/Communication
- 63 -
KT-10542