T1/E1 Stratum 4/4E Redundant System Clock Synchronizer
ZL30102 T1/E1 Stratum 4/4E Redundant System Clock Synchronizer for DS1/E1 and H.110
Data Sheet
Features
• Synchronizes ...
Description
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, 6.312 MHz, 16.384 MHz and either 4.096 MHz and 8.192 MHz or 32.768 MHz and 65.536 MHz
Provides 5 styles of 8 kHz framing pulses Holdover frequency accuracy of 1x10-7
April 2010
Ordering Information
ZL30102QDG1 64 pin TQFP* Trays, Bake & Drypack *Pb Free Matte Tin -40°C to +85°C
Provides Lock, Holdover and selectable Out of Range indication
Attenuates wander from 1.8 Hz Less than 0.6 nspp intrinsic jitter on all output
clocks External master clock source: Clock Oscillator or
Crystal
Applications
Synchronization and timing control for multi-trunk DS1/ E1 terminal systems such as DSLAMs, Gateways and PBXs
Clock and frame pulse source for H.110 CT Bus, ST-BUS, GCI and other time divi...
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