Design

Design

Antenna




A separate antenna belongs to the telephone. This antenna contains a telephone antenna and, for vehicles prepared for Volvo On Call, a GPS-antenna as well.
The phone antenna is directly connected to the phone module (PHM).
For vehicles equipped with Volvo On Call-functionality, the GPS-antenna is directly connected to Phone Module (PHM). This is due to the GPS-position not being available from other control modules in the vehicle.
The antenna is installed on the roof.
Telephone and GPS-antennas can be diagnosed.

Handset (model-dependent)




The handset is directly connected to the phone module (PHM). The handset is located in the center console beneath the cover.
Phone module (PHM) decides if the call is to be connected via hands-free or handset based on the set's hook signal. When the set is located in its holder, then all voice calls are connected via hands-free.
The set is activated when it is removed from the holder. Note that the voice call does not pass via the handset if it is lifted when an incoming call arrives or outgoing call is started with the ENTER button. Then you have to put down the set and lift it again to take the call via the handset. The cause of this is to avoid lost sound when the handset is lifted off by mistake.
The hook signal to the phone module (PHM) is controlled by a magnet switch located in the set. The switch is closed by a magnet located in the holder.
There are diagnostics for the handset.

SIM card holder




The holder for the customer's private SIM card is located up on the inside of the glove compartment on the left-hand side.
The SIM card holder is directly connected to the Phone module (PHM).
The SIM-card holder can be diagnosed. On certain models the SIM-card holder is installed but has no function.

Switches for Volvo On Call




The ON CALL and SOS switches are located on the ceiling lamp console. Switches are only available for the phone module (PHM) with Volvo On Call functionality.
The switches are directly connected to the phone module (PHM).
The switches also contain an emergency microphone.
Switch illumination receives is power supply and ground via the phone module (PHM).
There are diagnostics for the switches.