Usable as cable splitter for Cat 5 or 6 to split the cable in half (half for one phone and half for second phone connection)
Pinout 2 x ISDN Ethernet, shielded
Metalized box
Pinout: RJ45 plug to RJ45 jack(1) and RJ45jack(2)
Pinout 2 x ISDN SHIELDED
