| Common RJ45 interface has two types: for the Ethernet card, router, an Ethernet interface, such as the DTE (data terminal equipment) type and is used to switch the DCE (digital communications) type. When two types of devices when communicating using RJ45 connections, you must use a crossover cable. If the DTE interface and is connected to a DTE interface does not cross-connected to pin on the contact pins are the data received (send) pin, unable to communicate. In addition: some DCE type device will auto-negotiation with the other person, when connected with straight lines or parallel lines can be |
