Surface mount housing, style 1– Keystone Jacks

SBB-1-WH	+	+	+	+	+	-	+	+	+	+
SBB-2-WH	+	+	+	+	+	-	+	+	+	+
SBB-1-C6-WH	+	-	-	+	+	-	-	-	+	+
SBB-2-C6-WH	+	-	-	+	+	-	-	-	+	+

+ - safe fixation of Keystone Jack
x - not much safe fixation of Keystone Jack in the slot