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 line card have commonly been used to interface the twisted pair cable of a POTS local loop with the public switched telephone network (PSTN). Line cards used on the PSTN may have many functions, including: 1  conversion of voice transmissions from analog to digital or vice versa. 2  detection of off-the-hook receivers.