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Complete System Clock Module

Fri, 09/28/2001 - 9:40am
Connor Winfield introduces the STM-S3E, a complete system clock module for Stratum 3E timing card applications in accordance with GR-1244-CORE, GR-253-CORE, and ITU-T-G813. The STM-S3E provides a reliable backplane clock reference to line cards for use in TDM, PDH, SONET, and SDH network equipment.

Features of the STM-S3E include output frequencies of 1.544 MHz - 38.88 MHz, 5 V operation with 3.3 V operation planned, 12 ppb holdover across the full temperature range of 0°C - 70°C, free run <± 4.6 ppm, and a maximum height of .650. Alarms for LOR, Phase Build Out, and Reference Frequency Limit are also included.

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