Know the Difference Between RJ45 Port and RJ11 Port

1. Know about the Difference Between RJ45 Port and RJ11 Port RJ11 jack and RJ45 jack connectors have been there for a very long time, and in fact RJ45 is still used in copper cable data communication networks. RJ basically stands for Registered Jack, and as the numbers in the terms imply, RJ11 is much older than the later. The numbers 11 and 45 are the interface standards. This post compares RJ45 vs RJ11 connectors and more. RJ11 Cable Connectors & RJ45 Cable Connectors •RJ11: RJ11 as discussed before was widely used in analog telephony to connect the phone instrument and the cable. Now it is mostly used to connect to modems and is still used in landlines. It is a 4-slot connector and has six pins, which means you cannot fit it into an RJ45 slot. It is used in PSTN telephone lines to connect telephone cables which are technically different from Ethernet cables. •RJ45: RJ-45 connectors have 8 pins and these are typically used to connect Ethernet cables to a switch or serial data modem. You would commonly find switches with RJ45 connectors in copper cable networks. Some switches have RJ45 as well as SFP fiber ports and hence these can be used in fiber networks as well. So, these are typically used for data communication networks where IP voice telephony may also be there. You should always source all the network devices from a certified and reliable manufacturer and supplier. VERSITRON offers several network devices compatible with copper as well as fiber networks. The company offers network switches and fiber media converters with RJ45 ports for copper as well as SFP+ ports for fiber. For more details visit: https://www.versitron.com/blog/know-the-difference-between-rj45-port- and-rj11-port