RJ45 vs RJ11

Introduction

About RJ45 and RJ11

RJ45 and RJ11  are different because one is for network and one is about telephone. RJ45 is of  network and RJ11 is about telephone. In RJ45 there are 8 wires. In RJ11 there is 4 wires. In RJ11 it has 21.4 mm and 11.68 mm. In RJ45 it has 11.68 mm and 9.65 mm. RJ11 and RJ45 are same beacuse the both have connectors. RJ45 cable is fundamentally utilized devices over an Ethernet connection. Devices like computer, printer, network storage devices and cable or DSL modems are able to use an RJ45 connection. Being able to identify an RJ45 cable ii necessary when trying to connect devices to network. A telephone interface that uses a cable of twisted wire pairs and a modular jack with two, four or six contacts. The registered jack 11 (RJ11) is a type of commonly used for telephone cables. It has four or six pins and is used for telephone cables. It has 4 or 6 pins and used to connect phones,modems and other telecommunication devices to wall jack or other phone line. RJ45 has two types of RJ45  cable and they are T568A and T568B. RJ45 connectors come in four primary types. In RJ45 the middle pair is red and green.

RJ45 pin out for straight- through Ethernet cables are:

• Pin 1: Transmit + (White and green)
• Pin 2: Transmit - (Green)
• Pin 3: Receive + (White and orange)
• Pin 4: Blue
• Pin 5: White and blue
• Pin 6: Receive - (Orange)
• Pin 7: White and brown
• Pin 8: Brown

RJ45  T568A

• Pin 1: Green + White
• Pin 2: Green
• Pin 3: Orange + White
• Pin 4: Blue
• Pin 5: Blue
• Pin 6: Orange
• Pin 7: Brown + White
• Pin 8: Brown

RJ45  T568B

• Pin 1: Orange + White
• Pin 2: Orange
• Pin 3: Green + White
• Pin 4: Blue
• Pin 5: Blue + White
• Pin 6: Green
• Pin 7: Brown + White 
• Pin 8: Brown

Photo of RJ45

 Photo of RJ11