diff --git a/agent/device/rlt-3200g-w/vendor.h b/agent/device/rlt-3200g-w/vendor.h
index e77c183..761bb53 100644
--- a/agent/device/rlt-3200g-w/vendor.h
+++ b/agent/device/rlt-3200g-w/vendor.h
@@ -19,7 +19,7 @@
 #define VENDOR_ID "Radisys"
 #define RLT3200GW
 #define MODEL_ID  "rlt-3200g-w"
-#define MAX_SUPPORTED_PON 64
+#define MAX_SUPPORTED_PON 32
 #define ONU_BIT_TRANSMISSION_DELAY 0.8038585/1000 /* unit: ns to us */
 #define MINIMUM_ONU_RESPONSE_RANGING_TIME 198075 /* hardcore: this is ranging time for the shortest distance, typically 35us */