\end{tabular}
\end{center}
+SPI channels 0 to 3 are linked to the AddOn connector (e.g. four Padiwa chains), channels 4 and 5 are used on additional KEL connectors. Channel 6 is reserved for JGPIO.
+
+
\subsubsection{Serial Links}
By default, SFP1 is used for GbE, SFP2 for TrbNet. SFP2 must be removed if the board is to be used on a backplane as slave module. Removing the SFP selects the backpanel as TrbNet input.
D200 & Rom & Flash Rom Switch \\
D300 & TrgIn & Selection for trigger and clock input on CTS \\
D400 -- D41F & SPI & SPI Interface for DAC and Padiwa \\
+D480 -- D4FF & Adc & On-board monitoring of voltages or currents \\
D500 -- D5FF & SED & Soft Error Detection \\
D600 -- D6FF & Uart & Serial Uart Interface \\
E000 -- FFFF & Debugging & Memories and Registers for Debugging \\