Siemens TC65 Manual do Utilizador descarregar pdf (Página 19)

TC65Smart

User Manual

Rev. 2-1.0 19

• The DTR signal from the interface level converter RS-232 («Serial1», ASC0

TC65).

This signal coming from the external device through the RS-232 is used by the

Terminal to control the GSM module enabling and disabling. The terminal way of

behavior depending on the DTR signal is programmed through the I2C command.

• The GPIO6 signal from the TC65 module.

It is used by the controller as the SIM card switch alternative signal.

• SIM card availability signals (SIMPRES1,2) directly from the mounts.

By these signals the controller determines the availability of the mounts during the

SIM card change operations. Besides, during forced extraction of the active

mount, the controller will automatically generate the card unavailability signal

(CCIN) TC65 and attempts to switch the module to the other mount.

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Siemens TC65 Manual do Utilizador Página 19