Linear DMT-16 Linear/ChannelPlus Telephone Distribution Module with Surge Protection 4 phone lines &amp; 4-line surge protection 16 locations (110 punch down connectors) Stand-off design for built-in wire management RJ-31X security interface Test &amp; expansion jacks with integrated labeling system Accepts 4 incoming telephone lines &amp; distributes them to 16 locations with 110 punch down connectors Integrated surge suppression 4-line surge protection RJ31X security interface Test &amp; expansion jacks