Information technology - Telecommunications and information exchange between systems - Private Integ...
Describes the signalling protocol for the support of the Do Not Disturb and Do Not Disturb Override supplementary services (SS-DND and SS-DNDO) at the Q reference point between Private Integrated Services Network Exchanges (PINXs) connected together within a Private Integrated Services Network (PISN).
Acoustics — Characterization of sources of structure-borne sound with respect to sound radiation fro...
Approximate method of characterizing sources of structure-borne sound by the measurement of one-third-octave-band free velocity level spectra on the supports of machines mounted on resilient isolators.
1. Scope
1.1
These requirements apply to drive machine controllers, logic controllers, and
operating devices accessory thereto, for starting, stopping, regulating,
controlling, or protecting electric motors, generators, or other equipment, for
elevators, escalators, moving walks, dumbwaiters, and elevating devices for the
handicapped (wheelchair and stairway lifts).
1.2
The electrical…
1.1 SCOPE
1.1.1 Types of Regulators. This standard applies to individual gas appliance
pressure regulators, which are not a part of a combination control (see
Part V, Definitions), hereinafter referred to as regulators, intended
for application on individual gas appliances.
This standard also applies to negative gas appliance pressure…
