Occupational Safety and Health, Department of Industrial Relations (Cal/OSHA). A comprehensive Injury and Illness Prevention Program (hereafter referred to as IIPP) has. been prepared by the Department of Environmental Health & Safety for implementation. at SDSU.
A line card or digital line card is a modular electronic circuit designed to fit on separate a printed circuit board (PCB) and interface with a telecommunications access network.
A telephone line or telephone circuit (or just line or circuit within the industry) is a single-user circuit on a telephone communication system.hose wires may be connected back to two telephone lines at the local telephone exchange, thus making those jacks RJ14 jacks. More often, only two of the wires are connected to the exchange as one telephone line, and the others are unconnected.