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OMS 3250

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Product Description<strong>OMS</strong><strong>3250</strong>Relative humidity: from 5% to 95%.17.3 System Performance17.3.1 Error PerformanceThe general error performance is that no errors are introduced into traffic by the equipmentunder the most adverse environmental and operational conditions specified.17.3.2 Transmission DelayThe delay times for a transmission signal from its input to its output for multiplexing functions is≤ 125 µs17.3.3 Jitter CharacteristicsAccording to:Input jitter and wander tolerance…………ITU-T/ G. 823, 824, 825 requirements;Maximum output jitter and wander………… ITU-T/ G. 783 requirements;Jitter and wander transfer…………………ITU-T/ G. 783, 958 requirements.17.4 Power Requirements (according to ETSI ETS 300-132)The equipment operates without pre-setting in the range -38.4 to -72 V, suitable for the batteryvoltages (supplied by two separate fuse protected and diode connected parallel lines).Supply voltages: ..................................................................... -48V +/- 20%..................................................................... -60V +/- 20%The power supply from Vac mains (duplicated) is also possible by using external AC/DCconverters suitable for rack mounting and located on a different shelf.The earthing is in accordance with ETSI standard ETS 300 253.17.5 SynchronisationSynchronisation sources available:Independent external reference inputEither:• 2 MHz G.703-13• 1.5Mb/s framed G.703-5Page 72 of 74 Copyright – Refer to Page 2 Issue 1

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