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PDF SY01-SMC Data sheet ( Hoja de datos )
| Número de pieza | SY01-SMC | |
| Descripción | SYNCHRONOUS EQUIPMENT SONET MINIMUM CLOCK | |
| Fabricantes | Raltron Electronics Corporation | |
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SY01-SMC
SYNCHRONOUS EQUIPMENT
SONET MINIMUM CLOCK - SY01-SMC
Date: April 20, 2002
• INTRODUCTION
The SY01-SMC is an accurate time and frequency source that has
been designed as a module level subsystem for easy incorporation
into SONET/SDH systems or network elements. The SY01-SMC is an
advanced synchronization solution for timing, jitter and wander issues
in accordance with specification for SONET Minimum Clock (SMC)
given by BellCore GR-253-CORE and BellCore GR-1244-CORE.
• FEATURES
A synchronization solution for timing, jitter and wander concerns in a single module.
Complies with Bellcore GR-1244-CORE and GR-253-CORE for SMC 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 8KHz 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.
Manual or Automatic selection between timing modes.
Alarm and status signal.
Host interface and JTAG port.
Small dimensions of 2.0 x 2.0 x 0.55 inch.
• APPLICATIONS
The SY01-SMC performs clock regeneration as a Synchronous Equipment Clock (SEC), and is particularly designed
for SONET equipment and network elements. However, SY01-SMC can be used in any other telecommunication
equipment where synchronization is necessary if the performance allowed.
RALTRON ELECTRONICS CORP. § 10651 N.W.19th St § Florida 33172 § U.S.A.
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SYNCHRONOUS EQUIPMENT
SONET MINIMUM CLOCK - SY01-SMC
• SPECIFICATION
General
Specifications
Input Signals
Output Signals
Signal Quality
Performance
Frequency Output
Performance
Mechanical 2” (D) x 2” (W) x 0.55” (H)
Metal box, 18p dual-in-line
Power
Environment
Internal Oscillators
Number of Inputs
Input reference frequency
Signal Level
Time Reference characteristics
Number of Outputs
Output 1
Output 1 Signal Level
Output 2
Output 2 Signal Level
Jitter generation
5VDC, 2W
Operating Temperature
Storage Temperature
Humidity
EMC
Voltage Controlled Crystal Oscillator
(VCXO) and Clock Oscillator
2
Selectable from range 8kHz to
77.76MHz
HCMOS/TTL Compatible
Bellcore: GR-1244-core
2
Selectable from range 8kHz to
77.76MHz
HCMOS
Selectable from range 8kHz to
77.76MHz
HCMOS
<0.03Uip-p
-20°C to 70°C
-40° to 85°C
5% to 95% non-condensing
FCC Part 15, Class B, CE Marked, UL
Free-running clock
Jitter tolerance
Wander generation
Wander tolerance
Wander transfer
Filtering (Wander transfer)
Free run accuracy
Bellcore: GR-253-core rev. 1
Bellcore: GR-253-core rev. 1
Bellcore: GR-253-core rev. 1
Bellcore: GR-1244-core
<0.1Hz
±20ppm
Holdover stability
Initial offset
Temperature
Pull-in/Hold-in range
Holdover history
±4.6ppm
<±0.05ppm
<±4.1ppm
±20ppm
1 min
RALTRON ELECTRONICS CORP. § 10651 N.W.19th St § Florida 33172 § U.S.A.
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| PDF Descargar | [ Datasheet SY01-SMC.PDF ] | |
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