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Dimetra EBTS Base Radio Controller » History » Revision 2

Revision 1 (laforge, 02/19/2016 10:52 PM) → Revision 2/7 (laforge, 02/19/2016 10:52 PM)

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 = BR Controller (CAE010CMX) = 

 This is s small PowerPC based embedded system. It communicates with the TETRA Site Controller (TSC) over 10-Base-2 Ethernet and controls all the other units of the Base Radio via the backplane of the BR cabinet. 

 It has the following connections: 

  * RS-232 on the back of the BR 
  * RS-232 on the front of the BR 
  * Site Alarm I/O on the back of the BR 
  * 10-Base-2 Ethernet on the back of the BR (BNC) 
  * Clock input on the back of the BR (BNC)  

 == Images == 

 [[Image(tetra_br_controller_pcb.jpg, 66%)]] 

 == Software == 

 === boot loader === 
 There is a bootloader pre-installed in the Base Radio. 

 === radio application === 
 It seems like the BR Controller is downloading its software via the Ethernet link from the [[wiki:Dimetra_EBTS/Site_Controller]]  
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