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| > OSA 6500B PRC - Primary Reference Clocks |
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Multiple Cesium and/or GPS references
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Fully compliant to ITU-T G.811 as well as ETSI and ANSI standards
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Local management interface and software or remote management via X.25 / Ethernet
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Input monitoring with MTIE, TDEV and frequency graphs
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2.048 Mbit/s and 1.544 Mbit/s SSM handling
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112 outputs expandable to several hundred with expansion sub-racks
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Supplied in ETSI or 19" cabinet |
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| Benefits |
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Fully integrated Primary Reference Clock for PDH, SDH, SONET Network
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Individual or duplex configurations for increased availability
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Automatic Master/Slave operation
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Maintenance free concept
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Highest performances and redundancy
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Fully managed solution via SyncView
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High capacity user ports
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Convenient upgradeable configurations
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Redundancy of all main functions |
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| > OSA 5585B PRS - Primary Reference Source |
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| Features |
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Fully compliant to ITU-T G.811 / Stratum 1
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Digital Cesium oscillator technology with automatic microprocessor control
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Up to 16 outputs T1, E1 and others
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5 MHz, 10 MHz and 1 PPS Low Noise outputs
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Local management interface and software
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Modular approach |
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| Benefits |
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Autonomous & highly accurate primary reference source for PDH, SDH, SONET
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Self monitoring servo loops and internal functions
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Core clock of OSA 6500B PRC
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Long life maintenance free reference
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Multi output configuration
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Cesium assembly exchangeable on site
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Ten year warranty tube as standard |
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| > OSA 3705 PHM - Passive Hydrogen Maser |
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| Features |
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Passive Hydrogen Maser
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G.811/Stratum 1
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20 years expected life time
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2.048 / 5 / 10 / 100 MHz and 1 PPS standard outputs
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Digital control and monitoring of all operations on LCD display & RS-232C
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3 years warranty on Physics package |
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| Benefits |
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Extremely stable frequency reference
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Compliant PRS for SDH/SONET synchronisation
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Alternative technology to Caesium reference sources
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Lifetime is not constraint to 10-12 years like with Caesium oscillators
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Low cost hydrogen refurbishment |
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