L-com's innovative splitter design gives you an additional four RJ45 ports in a minimum of space. One end mounted 3.5" cable with a RJ45 plug is connected via an integral circuit board to four other RJ45 jacks. Two different wiring tables are offered as standard products including a fully populated straight through version and an ISDN pair splitter. Each adapter is made with an ABS plastic housing for durability. Both designs have the option of shielded jacks and connections. Custom designs are welcome with modest minimums.