Telit Wireless Solutions GE863-QUAD Manual Do Utilizador

 
 
 
 

 

 

 1vv0300715 Rev. 1 - 19/09/06  

  

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved 

 

page 53 of 79 

 

 

9.4  SIM Supply  

Do not connect capacitance greater than 10nF to SIMVCC line. 

  

Other notes: 

-        SIMIN doesn't require any pull-up resistor. It is built in. 
-        SIM card is detected inserted when this line is short to ground. 
-    If in the application the SIM holder doesn’t foresee the switch for the 

presence/absence of the SIM card, the SIMIN line must be connected to ground. 

 
 
 

9.5 SCHEMATIC