T1 lines carry 1.544 Mbps signals for computer network connections in the immediate area, across town or across the country. T1 cables use four wires: two for the transmit signal and two for the receive. In some network applications, the equipment is so close together that a “crossover cable” just a few feet long makes the connection. The T1 signal transmitted from each of the two units “crosses over” to the receive signal of the other. Use crossover cables to connect T1 servers, private telephone switches (PBXs) or other T1 network devices together. Tips Warnings Writer Bio
