diff --git a/applications/lofar2/designs/lofar2_unb2b_ring/tb/vhdl/tb_tb_lofar2_unb2b_ring.vhd b/applications/lofar2/designs/lofar2_unb2b_ring/tb/vhdl/tb_tb_lofar2_unb2b_ring.vhd
index e84b35ec68b5f89f0c5ddf17cfc4f8bdba1cf03e..d5e25f46a925c27a5fd684ae70a471deda6bb66b 100644
--- a/applications/lofar2/designs/lofar2_unb2b_ring/tb/vhdl/tb_tb_lofar2_unb2b_ring.vhd
+++ b/applications/lofar2/designs/lofar2_unb2b_ring/tb/vhdl/tb_tb_lofar2_unb2b_ring.vhd
@@ -54,7 +54,9 @@ BEGIN
   u_one_2_3  : ENTITY work.tb_lofar2_unb2b_ring GENERIC MAP(TRUE, 1, "lofar2_unb2b_ring_one",  c_nof_rn,  3, 2) PORT MAP(tb_end(1)); -- access scheme 2/3. Tb for access scheme 2 is same tb for 3
   u_full_1   : ENTITY work.tb_lofar2_unb2b_ring GENERIC MAP(TRUE, 2, "lofar2_unb2b_ring_full", c_nof_rn,  3, 1) PORT MAP(tb_end(2)); -- access scheme 1.
   u_full_2_3 : ENTITY work.tb_lofar2_unb2b_ring GENERIC MAP(TRUE, 3, "lofar2_unb2b_ring_full", c_nof_rn, 32, 2) PORT MAP(tb_end(3)); -- access scheme 2/3. Tb for access scheme 2 is same tb for 3 
-  u_16_pn    : ENTITY work.tb_lofar2_unb2b_ring GENERIC MAP(TRUE, 4, "lofar2_unb2b_ring_one",        16, 32, 2) PORT MAP(tb_end(4)); -- Using g_nof_block_per_sync = 32 as all bsn monitors have to be read during one sync period which takes more time with 16 nodes.
+  -- u_16_rn -> Using 16 ring nodes. Using the _one revision as it only uses 1 lane to limit MM readout time. Also using 
+  -- g_nof_block_per_sync = 32 as all bsn monitors have to be read during one sync period which takes more time with 16 nodes.
+  u_16_rn    : ENTITY work.tb_lofar2_unb2b_ring GENERIC MAP(TRUE, 4, "lofar2_unb2b_ring_one",        16, 32, 2) PORT MAP(tb_end(4)); 
 
   tb_end_and <= vector_and(tb_end);
   proc_common_stop_simulation(tb_end_and);
diff --git a/applications/lofar2/designs/lofar2_unb2c_ring/tb/vhdl/tb_tb_lofar2_unb2c_ring.vhd b/applications/lofar2/designs/lofar2_unb2c_ring/tb/vhdl/tb_tb_lofar2_unb2c_ring.vhd
index 5d8e08ba6bcd27312fcdedc6aea4eabe3f6feb46..657aaf6e55d4dfbee633e5098e024bc3b280f271 100644
--- a/applications/lofar2/designs/lofar2_unb2c_ring/tb/vhdl/tb_tb_lofar2_unb2c_ring.vhd
+++ b/applications/lofar2/designs/lofar2_unb2c_ring/tb/vhdl/tb_tb_lofar2_unb2c_ring.vhd
@@ -54,7 +54,9 @@ BEGIN
   u_one_2_3  : ENTITY work.tb_lofar2_unb2c_ring GENERIC MAP(TRUE, 1, "lofar2_unb2c_ring_one",  c_nof_rn,  3, 2) PORT MAP(tb_end(1)); -- access scheme 2/3. Tb for access scheme 2 is same tb for 3
   u_full_1   : ENTITY work.tb_lofar2_unb2c_ring GENERIC MAP(TRUE, 2, "lofar2_unb2c_ring_full", c_nof_rn,  3, 1) PORT MAP(tb_end(2)); -- access scheme 1.
   u_full_2_3 : ENTITY work.tb_lofar2_unb2c_ring GENERIC MAP(TRUE, 3, "lofar2_unb2c_ring_full", c_nof_rn, 32, 2) PORT MAP(tb_end(3)); -- access scheme 2/3. Tb for access scheme 2 is same tb for 3 
-  u_16_pn    : ENTITY work.tb_lofar2_unb2c_ring GENERIC MAP(TRUE, 4, "lofar2_unb2c_ring_one",        16, 32, 2) PORT MAP(tb_end(4)); -- Using g_nof_block_per_sync = 32 as all bsn monitors have to be read during one sync period which takes more time with 16 nodes.
+  -- u_16_rn -> Using 16 ring nodes. Using the _one revision as it only uses 1 lane to limit MM readout time. Also using 
+  -- g_nof_block_per_sync = 32 as all bsn monitors have to be read during one sync period which takes more time with 16 nodes.
+  u_16_rn    : ENTITY work.tb_lofar2_unb2c_ring GENERIC MAP(TRUE, 4, "lofar2_unb2c_ring_one",        16, 32, 2) PORT MAP(tb_end(4)); 
 
   tb_end_and <= vector_and(tb_end);
   proc_common_stop_simulation(tb_end_and);