Question: is rj45 a phone jack?
Answer: RJ45 jacks are used in networking, where you connect computers or other network elements to each other. RJ11is the cable connector that is being used in telephone sets. One is an Ethernet cable, the other is a "phone" cable. ... RJ 11 requires 2 wires and and RJ 45 has 8 wires but can be connected with 4 wires.