OSCILLATORS FOR SYNCHRONIZATION CHIPSETS

Chipset	Specification	Compliance
Semtech ACS8510	OX4050A-LZ-28-12.800-STR3	Stratum 3
Semtech ACS8510	OX4020A-LZ-28-12.800-STR3-GW	Stratum 3
Semtech ACS8530	OX4180A-LZ-1-12.800-SM	Stratum 3E
Zarlink MT90401	OX4020B-D3-28-20.000-STR3-MS	Stratum 3
Zarlink MT90401	OX4020A-F1-28-20.000-STR3-MS	Stratum 3
Zarlink MT90401	TX4045B-D3-4.4-20.000-MS	SONET Minimum Clock (SMC)

Stratum 3 Clock Sources

Digital network connectivity is dependent upon the availability of a reliable synchronization source to provide a timing reference to the network elements.