16 (61) Version 4.3
Pin Signal Parameter IN/
OUT
Min. Typ. Max. Unit Notes
20 IGS Ignition sense line,
Recognises the car
start
IN 12 VDC Fuse included on the
cable line.
1)
21 Data
22 Data
23 HF_MIC+ Hands Free device
microphone input
IN 2.1
60
V
mVrms
DC voltage level
24 HF_MIC- Hands Free device
microphone input
IN 0
25 SPK+ Hands Free device
loudspeaker output
OUT 10 Vpp
26 SPK- Hands Free device
loudspeaker output
OUT 10 Vpp
1)
IGS command is associated with a timer. This line can be used from the
12V voltage controlled by vehicles ignition key. Once vehicle is switched off,
there is user request to continue radio operation; otherwise radio will also be
switched off as IGS line gets down.
4.3 Control Unit Interface Connector
The CUR-3 connector provides an interface for the external control
unit. The connector is a female 26 pin high density D connector. The
display data bus parallel to TMR880i display controls and serial data
interface are converted to RS-485 level. The connector includes also
an audio interface and the voltages supply for the control unit.
IGS
OFF after timer
if no user key press
if no PWR_ON (§4.3)
Radio status
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General