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The Symmetricom® SSU 2000 is an intelligent, fully manageable Synchronization Supply Unit or Timing Signal Generator. It is used by communications network operators to generate and distribute superior synchronization signals for their networks. In addition to traditional TDM network timing capabilities, the SSU 2000 supports packet networks with signals including IEEE 1588 Precision Time Protocol (PTP) and carrier-class NTP for advanced network services. The SSU 2000 platform is also ready to support the seamless introduction of SyncE-capable elements into your network. Designed in a NEBS-compliant package, it utilizes the latest hardware and software integration technologies.
Industry Standards Compliance
The SSU 2000 is designed to meet the latest and evolving industry standards, including ANSI, Telcordia, ITU-T, ETSI,
IEEE 1588 and CE/AS.
Architecture
The SSU 2000 architecture is designed to integrate intelligent, functional modules into a flexible, fully redundant system to seamlessly satisfy current and future requirements.
The system provides total output capacity of up to 1280 unprotected ports or 640 protected ports. Up to 160 outputs are available in the main unit, and up to 1120 additional outputs are available through four expansion shelves with a capacity of 280 outputs per shelf. Output modules may be configured in redundant pairs providing twenty 1:1 fully protected outputs per pair. Expansion shelves are designed with redundant connections for reliable uptime.
Auto-Reconfiguration: If a module is removed and a like module installed in the same slot, the new module will be automatically configured to the same settings as the previous module.
Input signals are passed through in case of multiple internal failures, including clock failures.
Intelligent Modules
Each SSU module has an integrated CPU with software for superior reliability, flexibility and functionality. Modules can be removed or inserted while the unit is operating without any degradation of the output signals. Each intelligent module supports the management of critical, major and minor alarms. Powerful management can be performed to and within each module through the communication module.
Major Applications
• Synchronization Supply Unit (SSU)
• Primary Reference Source (PRS)
• Building Integrated Timing Supply (BITS)
• Subtending Timing Signal Generator
• IEEE 1588 Grandmaster
• PRS traceable reference for Synchronous Ethernet
Key Features
• High capacity system: up to 640 1:1 protected or 1280 unprotected outputs
• Fully integrated, carrier-class NTP and IEEE 1588 PTP server blades
• Ready for SyncE network elements
• Performance monitoring on all inputs
• Management: SNMP, Interactive ASCII, TL1
• Dynamic control algorithms for superior performance
Key Benefits
• Single platform for traditional TDM, NTP, PTP and SyncE
• Carrier-class redundancy: module protection for all critical functions (inputs, holdover clock, outputs)
• Carrier-class capacity: TDM ports, NTP transactions, PTP clients
• Carrier-class design and features: precision time accuracy, end-to-end management, standards compliance and certifications
• Seamless interoperation with embedded sync and timing solutions in other network elements
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