General Description
Connor-Winfield’s STM-S3E timing module provides Stratum 3E synchronization for a complete system clock solution in a single module in accordance with GR-1244- CORE Issue 2, GR-253-CORE Issue 3, and ITU-T G.812 Option III. The STM-S3E provides a reliable network element clock reference to line cards used in TDM, PDH, SONET, and SDH application environments. Typical applications include digital cross talks, DSLAMs, ADMs, multiservice platforms, switches and routers.

Features
• Dual Input References
• Hitless Switch Over
• 1.544 MHz -38.88 MHz
• 8 kHz Output
• 12 ppb Composite Hold Over Mode
• Fast Acquisition Mode
• Hold Over Good Indicator
• Phase Buildout Indicator
• LOR Alarms
• Reference Frequency Limit Alarm