Ethernet

摘要

We are using is lOBaseT Ethernet, where the 10 refers to the bit rate in Mbit/s, and the 'T' means a twisted-pair interface. Although slow by modern standards, this rate is more than adequate for testing networks. Even the fastest of Ethernet hubs will auto-configure to a lower rate when necessary. The hardware uses two twisted pairs, transmit and receive, on an RJ45 connector. These are normally transformer-coupled, to avoid any ground-loop problems.