diff --git a/packages/base/any/onlp/src/sff/module/inc/sff/8436.h b/packages/base/any/onlp/src/sff/module/inc/sff/8436.h
index cf389351..6383eddf 100644
--- a/packages/base/any/onlp/src/sff/module/inc/sff/8436.h
+++ b/packages/base/any/onlp/src/sff/module/inc/sff/8436.h
@@ -257,17 +257,21 @@ _sff8436_qsfp_40g_pre(const uint8_t* idprom)
 
     return 0;
 }
+
 static inline int
 _sff8436_qsfp_40g_lm4(const uint8_t* idprom)
 {
     if(!SFF8436_MODULE_QSFP_PLUS_V2(idprom)) {
         return 0;
     }
-    /* Restrict to Finisar FTL4C3QE1C at this point. */
-    if(strncmp("FTL4C3QE1C      ", (char*)idprom+168, 16)) {
+
+    if (idprom[130] != SFF8436_CONN_LC) return 0;
+    if (!SFF8436_MEDIA_NONE(idprom)) return 0;
+
+    if ((idprom[142] != 1) && idprom[143] != 70) {
         return 0;
     }
-    return SFF8436_MEDIA_NONE(idprom);
+    return 1;
 }
 
 static inline int