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ZL30102 T1/E1 Stratum 4/4E Redundant System Clock Synchronizer for DS1/E1 and H.110
Data Sheet
Features
• Synchronizes to clock-and-sync-pair to maintain minimal phase skew between an H.110 primary master clock and a secondary master clock
• Supports Telcordia GR-1244-CORE Stratum 4 and 4E
• Supports ITU-T G.823 and G.824 for 2048 kbit/s and 1544 kbit/s interfaces
• Supports ANSI T1.403 and ETSI ETS 300 011 for ISDN primary rate interfaces
• Simple hardware control interface
• Manual and Automatic hitless reference switching between any combination of valid input reference frequencies
• Accepts three input references and synchronizes to any combination of 8 kHz, 1.544 MHz, 2.048 MHz, 8.192 MHz or 16.384 MHz inputs
• Provides a range of clock outputs: 1.544 MHz, 2.048 MHz, 3.088 MHz, 6.
ZL30102 Datasheet
