equip telephone Splitter 4-Port RJ11 (Accessory)
This product is a single spark of twisted pairs. Matching RJ45 wire numbers (1 2 3 4 5 6 7 8) P1 = 4 and 5 (for the phone company) P2 = 3 and 6 P3 = 1 and 2 P4 = 7 and 8 The comment splitter phone can induce a command error, which is my case !!!!. I