In the IBM SNA, the logical connection between two network-addressable units. The outer covering of a jacket over the insulated conductors to provide mechanical protection for the conductors. Also known as the external conduction surface of a shielded transmission line. Surrounding a cable with grounded metal so that there is less chance that electrical signals carried by that cable will interfere with, or be interfered with by, external electrical signals. Preventative covering that eliminates electromagnetic and radio frequency interference.
Shielding protects a circuit against crosstalk.
A thin-diameter network wire, wrapped with a metal sheath for extra protection against electrical interference. An abrupt impact applied to a stationary object. An abrupt or nonperiodic change in position, characterized by suddenness, and by the development of substantial internal forces. A single converter which conditions a digital signal to ensure reliable transmission over DE continuous private line metallic circuits without interfering with adjacent pairs in the same telephone cable. Short-haul modem See line driver.