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Java Terminal Hardware Interface Description
3.14 SIM Interface
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PLS62T-W_HID_v01 2018-06-20
Confidential / Prelimenary
Page 38 of 91
3.14 SIM Interface
The SIM interface is intended for 1.8V and 3V SIM cards in accordance with GSM 11.12 Phase
2. The card holder is a five wire interface according to GSM 11.11. A sixth pin has been added
to detect whether or not a SIM card is inserted.
Figure 10: SIM interface
The SIM - with the circuit side facing upwards - is inserted by gently pushing it into the SIM card
holder until it snaps hold. It is now protected from accidental removal. The SIM can be removed
from the card holder by using a flat object such as a screwdriver to carefully press the inserted
SIM until it snaps out again.
All signals of the SIM interface are protected from electrostatic discharge.
Removing and inserting the SIM card during operation requires the software to be reinitialized.
Therefore, after reinserting the SIM card it is necessary to restart Java Terminal.
Note: No guarantee can be given, nor any liability accepted, if loss of data is encountered after
removing the SIM card during operation. Also, no guarantee can be given for properly initializ-
ing any SIM card that the user inserts after having removed a SIM card during operation. In this
case, the application must restart the Java Terminal.
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