GF82.95-P-3001CWU Selecting Telephone Antenna, Function

GF82.95-P-3001CWU Selecting Telephone Antenna, Function
- with CODE (359) TELE AID emergency call system

Function requirements
^ Status "circuit 30 ON" or "circuit 15R ON"
^ Telematic Alarm Identification on Demand (emergency call system) (TELE AID) system authorized and operating error-free
^ Defective multifunction antenna (A28/11) or poor reception

General
Normally the mobile phone signals or data of the following vehicle- related services are transmitted and received by the communication module integrated into the emergency call system control unit (N123/4) via the multifunction antenna:
^ Authorization (Provisioning)
^ TELE AID emergency call (E-call), manual or automatic, incl. emergency police assistance number "911"
^ MB-Info call Breakdown assistance (Roadside Assistance)
^ Vehicle tracking
^ Vehicle remote door unlock
^ Vehicle remote door lock

In the event of a defective multifunction antenna, the communication module integrated into the emergency call system control unit automatically transmits and receives via the emergency call system antenna (A2/52).

Telephone antenna selection function sequence
The emergency call system control unit monitors the multifunction antenna in the following way:
^ Discrete line
^ Frequency switchover control unit (N96), with code (389) Mobile phone preinstallation with universal interface, USA/ Canada
^ Discrete line

The emergency call system control unit detects a malfunction in the multifunction antenna (e.g. defective because of rollover) or poor multifunction antenna reception and then automatically transmits or receives the mobile phone signals or data for each vehicle-related service via a discrete line and the emergency call system antenna.