diff --git a/ATE B3/ATE B3 DMFTS - Troubleshooting.md b/ATE B3/ATE B3 DMFTS - Troubleshooting.md
index b72675b..72c1976 100644
--- a/ATE B3/ATE B3 DMFTS - Troubleshooting.md	
+++ b/ATE B3/ATE B3 DMFTS - Troubleshooting.md	
@@ -118,4 +118,4 @@ root@rrus22401301b3-firmware:~# systemctl status super-daemon-enable
 13. 77 минута - 132 
 
 U33 - MAX20796GFB+T - DC DC преобразователь. Формируют 0.85V для системы питания RFSoC 
-U23 - 
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+U23 - VSC7552TSN - Ethernet switch. 
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