1. Continuous transmission on a medium because of a faulty device. [ANSI/ISA-50.02, Part 2-1992] 2. The error condition that occurs when a network device transmits packets that are larger than the maximum allowable size or will not relinquish token (depending on the media access method being used).

A connecting device to which the wire or wires of a circuit may be attached and that is so arranged that a plug can be inserted into it.

1. A plastic layer that is applied over the coating of an optical fiber or sometimes over the bare fiber. Jackets are used for color coding in optical cables, to make handling easier, or to protect the fiber against mechanical stress and strain. 2. A stiff plastic protective material that encases a floppy disk with slots so a disk drive can access the data. 3. The layer of plastic, fiber, or metal that surrounds insulated electrical wires, thereby forming a cable. This outer cover may be for the mechanical or environmental protection of the wires within.

A valve body that is cast with a double wall or provided with a double wall by welding material around the body. This forms a passage for a heating or cooling medium. Jacketed valve also refers to valves that are enclosed in split-metal jackets that have internal heat passageways or electric heaters. These valves are also referred to as "steam jacketed" or "vacuum jacketed." In a vacuum-jacketed valve, a vacuum is created in...