Equipment covered by this standardThis standard is applicable to mains-powered or battery-powered information technology equipment, including electrical business equipment and associated equipment, with a RATED VOLTAGE not exceeding 600 V.This standard is also applicableto such equipment designedand intendedto be connected directly to a TELECOMMUNICATION NETWORK and forming part of a subscriber's installation, regardless of ownership and of responsibility for installation and maintenance, and regardless of the source of power.This standard specifies requirements intendedto ensure safety for the OPERATOR and layman who may come into contact with the equipment and, where specifically stated, for SERVICE PERSONNEL.This standard is intended to ensure the safety of installed equipment, whether it consists of a system of interconnected units or independent units, subject to installing, operating and maintaining the equipment in the manner prescribed by the manufacturer.Examples of equipment which is within the scope of this standard are:accounting machines monetary processing machinesbook-keeping machines including automated teller calculators (cash dispensing) machinescash registers motor-operated filescopying machines PABXsdata circuit terminating paper jogging machines equipment (e.g. modems) paper tape readers and punchersdata preparation equipment paper trimmers (punchers,data processing equipment cutting machines, separators)data terminal equipment pencil sharpenersdocument shredding machines personal computersduplicators photoprinting equipment electrically operated drawing plotters machines (plotters) point of sale terminals includingerasers associated electronic scalesfacsimile equipment postage machineskey telephone systems staplersmagnetic tape handlers telephone answering machines mail processing machines telephone sets micrographic office equipment teleprintersmodems text processing equipment typewriters visual display unitsThis list is not intended to be comprehensive, and equipment that is not listed is not necessarily excluded from the scope.Equipment complying with the relevant requirements in this standard is considered suitable for use with process control equipment, automatic test equipment and similar systems requiring information processing facilities. However, this standard does not include requirements for performance or functional characteristics of equipment.