Alcatel Lucent DMX 1665 – LNW59
CISCO NCS2K SERIES EQUIPMENT
Symmetricom Timesources
2700 | CDMA Primary Reference Source | Part # 090-73000-02
3000 | GPS Primary Reference Source | Part # 090-72000-01
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Multiple Parts Available & Ready to Ship with Lifetime Warranty
See Part List Below for a Sampling of Our Inventory
Don’t see what you’re looking for? Our Inventory is always changing, please contact us for current stock.
| Manufacturer | Part # | Description | QTY |
| SYMMETRICOM | 090-73000-02 | TS-2700 ST1 UNIT – CDMA Primary Reference Source | 7 |
| SYMMETRICOM | 090-72000-01 | TS-3000 ST1 UNIT – GPS Primary Reference Source | 4 |
Symmetricom Timesource 2700
Part # 090-73000-02 | TS-2700 ST1 UNIT
Overview
The TimeSource 2700 is a Primary Reference Source (PRS) that tracks and ensembles multiple CDMA pilot signals. The CDMA pilot signals originate from CDMA base stations equipped with GPS based timing sources traceable to UTC. A pilot channel is transmitted continuously by each CDMA base station. Pilot channels allow the handset to acquire timing, provide phase data for demodulation, and provide a signal strength comparison between base stations. The TimeSource 2700 provides Stratum 1 outputs by using advanced BesTime technology. By using inputs from one to eight CDMA pilots and a rubidium local oscillator, the TimeSource 2700 meets Telecondia GR2830 network performance requirements. If the CDMA signals are disrupted, the BesTime algorithm continues to predict CDMA timing information, which enhances system holdover performance. Since CDMA is one of the most widely-used digital wireless services in the United States, the TimeSource 2700 can be installed in most metropolitan areas. Because the antenna is located inside the building within a few feet of the shelf, the antenna installation problems sometimes encountered with GPS based systems are eliminated.
Symmetricom Timesource 3000
Part # 090-720000-01 | TS-3000 ST1 UNIT
Overview
The TimeSource 3000 is a Primary Reference Source (PRS) that receives and processes signals from GPS satellites, and outputs Stratum 1 synchronization signals traceable to UTC. TimeSource 3000 applications include synchronization for central offices, radio base stations, transmission nodes, and other instances where a primary reference source can improve the performance of telephony network facilities. The TimeSource 3000 creates timing outputs by ensembling signals from several sources. The sources include GPS signals, an onboard local oscillator, and optional T1 and remote oscillator signals. Timing outputs created from the ensemble are composed of the most stable and least noisy parts of each input. Synchronization outputs are delivered in a framed, all-ones, T1 format, a 10 MHz signal, a 1 pps signal, composite clock signals (optional), and time of day (TOD) signals. The TimeSource 3000 minimizes timing impairments, such as jitter and wander, that are created by network and transmission systems. The synchronization timing is traceable to the GPS, which provides the highest level of synchronization for telephony networks. The TimeSource 3000 with its GPS input is a standalone office PRS. With the optional inputs ensembled, overall system performance is improved, and holdover is extended if GPS signals become disrupted.
