update Trb3 section

diff --git a/trb3/Trb3scBasics.tex b/trb3/Trb3scBasics.tex
index a5ff16b8468180948a7944b2297d013157c638ae..ae9e70f0cec29932dc63addadd0f07e726d80971 100644 (file)
--- a/trb3/Trb3scBasics.tex
+++ b/trb3/Trb3scBasics.tex
@@ -76,7 +76,7 @@ SPI channels 0 to 3 are linked to the AddOn connector (e.g. four Padiwa chains),
 Optionally, a LCD can be connected. In this case SPI channel 8 is not used.
 
 \subsection{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.
+By default, SFP1 (inner) is used for GbE, SFP2 for TrbNet (outer). 
 
   
   %--Serdes:                                Backplane