diff --git a/sources/pho_keysight.sources b/sources/pho_keysight.sources
index dcaa119..5b18aab 100644
--- a/sources/pho_keysight.sources
+++ b/sources/pho_keysight.sources
@@ -5,6 +5,6 @@
         ,{"stream": "tcp://SAROP11-CPCL-PALM118:9999"}
         /* temporarily moved to different IP:  */
         /*,{"stream": "tcp://SAROP21-CPCL-PALM134:9999"}*/
-        ,{"stream": "tcp://172.26.2.89:9999"}
+/*        ,{"stream": "tcp://172.26.2.89:9999"} */ 
     ]
 }