Universal Portable CTEL Interface (UPCI [UHI]) control unit, component description - GF82.70-P-5101G

MODEL 463.247 /248 /254 /270 /303 /340 /341 up to 31.8.08 with CODE (EH1) Mobile phone with cradle and hands-free system with CODE (EV8) Mobile phone preinstallation as of Model Year 2007 Modelljahr 07.5, Anderungsjahr 07 

MODEL 463.249 /271 up to 31.8.08 as of Model Year 2007 

Illustrated on model 463.247 

Location 

For model 463.247/248/254/270/303/340/341 the Universal Portable CTEL Interface control unit is installed under the front passenger seat below the stowage tray. For model 463.249/271 the Universal Portable CTEL Interface control unit is installed on a bracket below the front passenger seat.

Tasks 

The Universal Portable CTEL Interface control unit was developed to adapt mobile phones from different manufacturers in vehicles equipped with a Media Oriented System Transport (MOST) ring. It sets up the connection (interface) of the mobile phone with the vehicle communication system. The mobile phone is inserted into the telephone handset (A34), which is connected by means of a wiring harness to the Universal Portable CTEL Interface control unit. The Universal Portable CTEL Interface control unit forms the interface to the MOST ring.

Function 

• Communication management: Priority rules, modem function for Internet/email/Wireless Application Protocol (WAP), Telematics messages, Subscriber Identity Module (SIM)/Personal Identification Number (PIN) handling, incoming messages
• MOST ring data transfer
• Shown in display of COMAND operating, display and controller unit (A40/3)
• Operation using the COMAND operating, display and controller unit buttons or the left multifunction steering wheel button group (S110) and the right multifunction steering wheel button group (S111)
• Diagnosis
• Actuation of E-net compensator (A28/3) (switch-ON/OFF signal)
• Discrete wake-up line
• Telephony
• Services
• 2-channel microphone processing
• Phonetically-controlled telephone book
• Short Message Service (SMS)
• Phone book

Function scope 

• Cellular telephone
• SIM in the mobile phone

Diagnosis 

Through MOST ring using the KW-2000 protocol.

Signal inputs and outputs 

Discrete inputs 

• Circuit 30
• Circuit 31
• Wake-up MOST ring
• Screened wiring harness from telephone handset
• Hands-free system microphone group (A67b1)

Discrete outputs 

• E-net compensator
• Screened wiring harness to telephone handset

MOST signals 

The Universal Portable CTEL Interface control unit uses the MOST ring.