PART NO. IC-abcd a=Grade 1:Cat5e 2:Cat6 b=Type 1:JJ Type 2:KJ Type 3:Block Type 4:New Type c=Shielded 1:Unshielding 2:Shielded 3:Full Shielded d=Color 1:Black 5:White 0:Shielded ﹠Full Shielded Only