PageOutline = 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)

Image(tetra_br_controller_pcb.jpg, 66%)

=== 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]]