STC3500 - Connor-Winfield Corporation

STC3500 INTEGRATED - STRATUM 3 TIMING SOURCE

The STC3500 is an integrated single chip solution for the Synchronous Timing Source in SONET/SDH network elements. The device generates four synchronous clocks, including BITS, and is fully compliant with Telcordia GR-1244-CORE, GR-253-CORE and ITU-T G.812/G.813. The STC3500 can operate in Free Run, locked or Hold Over mode. In the Free Run mode, it locks on.

Features

• Complies with Telcordia GR-1244-CORE, GR-253-CORE, and ITU-T G.812/G.813
• Supports Master/Slave operation
• Supports Free Run, Locked, and Hold Over modes
• Accepts 8 reference inputs from 8 kHz to 77.76 MHz and one 8 kHz cross reference
• Continuous input reference quality monitoring
• Input reference frequencies are automatically detected
• Automatic or manual selection for active reference
• Supports hardwire pins to select active reference
• Four output signals: one selectable up to 155.52 MHz, one fixed at 8 kHz, one multiframe sync fixed at 2 kHz, and 1.544 MHz or 2.048 MHz BITS outpu.