ITU-T G.650 Definition and test methods???? for the relevant???????????????????????????????????? parameters of single-mode fibers?
ITU-T G.652 Characteristics of a single-mode optical fibre cable
ITU-T G.653 Characteristics of a dispersion-shifted single-mode?
??????????? optical fibre cable
ITU-T G.655 Characterization of a non-zero dispersion single-mode
??????????? optical fibre cable
ITU-T G.661? Definition and test methods for the relevant generic
???????????? parameters of optical amplifier devices and subsystems
ITU-T G.662? Generic characteristics of optical fibre amplifier
???????????? devices and subsystems
ITU-T G.663? Application related aspects of optical fibre amplifier
???????????? devices and subsystems
ITU-T G.664? General automatic power shut-down procedures for
???????????? optical transport systems
ITU-T G.671? Transmission characteristics of passive optical
???????????? components
ITU-T G.681? Functional characteristics of interoffice and long-haul line
???????????? systems using optical amplifiers, including optical?
??????????????????????????????? multiplexing
ITU-T G.691? Optical interface for single channel SDH system with
???????????? optical amplifiers, and STM-64 systems
ITU-T G.692? Optical interfaces for multi-channel systems with optical
???????????? amplifiers
ITU-T G.709? Network Node Interface for the optical transport
???????????? network
ITU-T G.825? The control of jitter and wander within digital networks
???????????? which are baser on the synchronous digital hierarchy?
???????????? (SDH)
ITU-T G.826?? Error performance parameters and objectives for
????????????? international,constant bit rate digital paths at or above
????????????? the primary rate
ITU-T G.958?? Digital line systems based on the synchronous digital
????????????? hierarchy for use on optical fibre cables