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PDF ( 数据手册 , 数据表 ) SY01-S3

零件编号 SY01-S3
描述 SYNCHRONOUS EQUIPMENT OCXO BASED STRATUM 3 CLOCK UNIT
制造商 Raltron Electronics Corporation
LOGO Raltron Electronics Corporation LOGO 


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SY01-S3 数据手册, 描述, 功能
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SY01-S3
SYNCHRONOUS EQUIPMENT
OCXO BASED STRATUM 3 CLOCK UNIT – SY01-S3
Date: May 20 , 2002
INTRODUCTION
The SY01-S3 is an accurate time and frequency source that has
been designed as a module level subsystem.
The module is designed to work within ATM, SONET, SDH, and
wireless systems where synchronization is vital.
The SY01-S3 is an OCXO based excellent synchronization
solution for timing designed for Stratum 3 applications.
FEATURES
A Hardware/Software synchronization solution for timing, jitter and wander concerns in a single module.
Complies with ITU-T Recommendations G.813 and ETSI-ETS 300 462-4 and Bellcore GR-1244-CORE for Stratum
3 applications.
Supports four modes of operation: Locked to Reference 1, Locked to Reference 2, Holdover and Free-run.
Accepts reference inputs from two independent sources from 8 kHz to 77.76 MHz.
Provides two outputs up to 77.76 MHz.
Loop filtering utilizing application specific software in the digital signal processor (DSP).
Continuously monitors and evaluate input reference signals.
Creates a history buffer for Holdover mode operation.
Alarm and status signal.
Host interface and JTAG port.
Small dimensions of 1.80X1.80X 0.65 inch (open pkg)
APPLICATION
The SY01-S3 performs clock regeneration as a Synchronous Equipment Clock (SEC), or STRATUM 3 in ATM, SDH,
PDH, and SONET networks. It is designed for manufacturers of network equipment, especially Access Switches, Core
Switches, Cross Connects, Digital Multiplexers-Exchangers, and SDH/SONET equipment. The unit is also suitable for
PCS, WLL, and Wireless Base Stations. Wherever a Timing unit with high performance specifications is required, the
SY01-S3 can be integrated into the network system and provide all necessary frequencies and interfaces. The input
stage can receive two different input reference signals at various rates from 4 kHz to 77.76 MHz. An optional
application can be achieved by integrating the SY01-S3 with a low cost GPS receiver and locking it to the GPS 1 pps
output signal.
RALTRON ELECTRONICS CORP. § 10651 N.W.19th St § Florida 33172 § U.S.A.
Tel: 305 593-6033 § Fax: 305-594-3973 § e-mail:[email protected] § Internet: http:/www.raltron.com
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