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NGN2 (Next Generation Network). New generation network created by Telecom Italia to meet the
demands of industries, public administrations and citizens. The new network architecture guarantees an
infrastructure designed to face multiple offers by increasing customization levels and bandwidth
availability, removing bandwidth limits and providing an impressive capacity along with a wide selection
of access systems.
OHSAS (Occupational Health and Safety Assessment Series). The international standard that sets the
prerequisites for management systems for the health and safety protection for workers.
OLOs (Other Licensed Operators). Companies other than the incumbent operator which operate
telecommunications systems in a national market.
Optical fiber. Thin glass, silicia or plastic wires, building the interstructure base for data transmission. An
optical fiber cable contains several individual fibers, and each of them is capable of driving a signal (light
impulse) at illimited bandwidth. Optical fibers are usually employed for long-distance communication.
They can transfer “heavy” data loads, and the signal reaches the recipient, protected from possible
disturbances along the way. The driving capacity of optical fibers is higher than the traditional cable
ones.
OSS (Operations Support System). Methods and procedures (whether mechanized or not) which directly
support the daily operation of the telecommunications infrastructure.
Pay-Per-View or PPV. A system by which the viewer pays to see a single program (such as a sporting
event, film or concert) at the moment at which it is transmitted or broadcast.
Pay TV. Paid-for TV channels. To receive Pay TV or Pay-Per-View programs, a decoder must be connected
to the television set, and a conditional access system.
Penetration. The measurement of the take-up of services. As of any date, the penetration is calculated
by dividing the number of subscribers by the population to which the service is available and multiplying
the quotient by 100.
Platform. The total input, including hardware, software, operating equipment and procedures, for
producing (production platform) or managing (management platform) a particular service (service
platform).
Roaming. A function that enables wireless subscribers to use the service on networks of operators other
than the one with which they signed their initial contract. The roaming service is active when wireless is
used in a foreign country (included in GSM network).
RoHS (Restriction of Hazardous Substances). Restriction of Hazardous Substances. European Directive
n° 95 of 2002 regulating the use of hazardous substances in electrical and electronic equipment.
SAR (Specific Absorption Rate). Specific Absorption Rate. evaluates the “electromagnetic power
absorbed by a tissue mass”. SAR is measured in Watt/kg. As far as mobile phones, the law now enforces
SAR as the reference parameter to define the basic limit. a person exposed to an electromagnetic field
inducing a SAR level higher than established may undergo the relevant effects and health damage. To
safeguard the population health and the health of people directly exposed, by virtue of their work, to
electromagnetic waves, the European legislation has established SAR thresholds than should not be
exceeded.
Report on Operations Glossary 144