diff --git a/boards/uniboard2b/libraries/unb2b_board/src/vhdl/unb2b_board_pkg.vhd b/boards/uniboard2b/libraries/unb2b_board/src/vhdl/unb2b_board_pkg.vhd
index 18e01b37d7099eb2ed393c77ccf2b160ccdcb1bb..309816031d9c94b860c6f3b768c05ee894695609 100644
--- a/boards/uniboard2b/libraries/unb2b_board/src/vhdl/unb2b_board_pkg.vhd
+++ b/boards/uniboard2b/libraries/unb2b_board/src/vhdl/unb2b_board_pkg.vhd
@@ -86,6 +86,7 @@ PACKAGE unb2b_board_pkg IS
   --CONSTANT c_unb2b_board_tr_ring              : t_c_unb2b_board_tr := (2, 4, 0); -- per node: 2 buses with 12 channels (testing)
 
   CONSTANT c_unb2b_board_tr_qsfp              : t_c_unb2b_board_tr := (6, 4,  6); -- per node: 6 buses with 4 channels
+  CONSTANT c_unb2b_board_tr_jesd204b          : t_c_unb2b_board_tr := (1, 12,  0); -- per node: 1 buses with 12 channels
   CONSTANT c_unb2b_board_tr_qsfp_nof_leds     : NATURAL := c_unb2b_board_tr_qsfp.nof_bus * 2; -- 2 leds per qsfp