Stratum 1 Performance
The newly-introduced TimeSource® 3550 is a standalone Primary Reference Source (PRS) which provides Stratum 1 performance in GPS hostile environments via external wall mount or roof mounts. Its new highly integrated rubidium oscillator maintains extended holdover spec with reduced footprint.
TimeSource 3550 consists of single unit modules that plug into a rack-mounted shelf. It operates with an external high precision GPS timing antenna to meet GR-2830 and EN 300 462-6-1 requirements, and comes with two output ports that are software configurable for T1, E1, 2.048 MHz or composite clock to support frequency timing applications. There is also a SW License option for 8 additional outputs. TimeSource 3550 is hardware-ready for IEEE 1588v2 /PTP and Sync-E.
Two shelves are available: ANSI standard with rear connectors and ETSI standard with front facing connector access. The TimeSource 3050 modules may be used in previously supplied shelves of TimeSource 3000 and 3100 products.
Improved GPS antenna design
The new GPS antennas for the TimeSource 3550 provide advanced narrowband filtering to protect against interference from adjacent spectrum. They also provide automatic compensation for cable delay via TWTT (Two-Way Time Transfer). The GPS antenna can be installed up to 1,000 feet from the office shelf, without amplifiers, using inexpensive thin coax cable.
Energy-efficient hardware yields substantial OPEX savings with dramatically reduced power consumption. The product is also fully ROHS compliant (ROHS 6/6).
- Advanced multi-input clock engine
- High precision timing antenna with integrated GPS receiver
- Up to 1000 foot antenna cabling with automatic delay compensation
- Timing accuracy of 100 ns when locked to GPS
- Rubidium holdover
- T1, E1, 2.048 MHz, and 10 MHz inputs and outputs
- 1 PPS and TOD output ports
- Sync status messaging on E1/T1 ports
- Integrated sync monitoring of input ports
- Optional SNTP server
- NEBS Level 3 compliant
- Low power consumption
New Turnkey Solution Leverages Synergies of Multiple Microsemi Products to Significantly Reduce Software Development for Customers
ALISO VIEJO, Calif., Nov. 21, 2017
Microsemi’s new IEEE 1588 timing synchronization module streamlines customers’ developments to add synchronization network timing to their designs, simplifies the sourcing process and reduces development time while providing an easy integration. The module also includes drivers, servos/algorithm firmware, IEEE 1588 Precision Time Protocol (PTP) stack software, a user guide and reference board schematics to deliver a fully tested chip-set solution from a trusted tier-one vendor.
“Our differentiated programmable solutions portfolio, including the SmartFusion2 SoC and PolarFire® FPGA, is gaining rapid acceptance in the communications and industrial infrastructure market,” said Bruce Weyer, vice president and business unit manager for programmable devices at Microsemi. “This tightly integrated solution with our class-leading timing and PHY components will further increase our momentum in these markets where highly accurate timing synchronization is becoming a clear requirement.”
The IEEE 1588 timing synchronization module blends Microsemi’s expertise in nanosecond-level accurate timestamping for IEEE 1588 via the VSC8575 Ethernet PHY; embedded IEEE 1588 protocol engine and servo via its SmartFusion2 SoC FPGA host processor; and high precision clock generation, holdover and reference switching via its ZL30363 system synchronizer. The solution is addressed via a command line interface to minimize software integration efforts. The combination of these capabilities makes the new solution ideal for applications within the industrial networking, smart grids, communications, defense and data center markets. Depending on the applications holdover and reliability requirements, either an XO, TCXO or OCXO can be used to provide holdover supported by the IEEE 1588 timing synchronization module.
According to a 2017 GNSS Market Report, issue 5, the timing capability offered by satellite navigation systems is at the core of most vital infrastructures; telecom networks operation, energy distribution, financial transactions and TV broadcast are some examples of areas where a global navigation satellite system (GNSS) is used for timing or synchronization purposes. The annual shipments of GNSS devices used in the timing and synchronization market will exceed 300,000 units in 2017 and are expected to grow at a compound annual growth rate (CAGR) of 5.3 percent over 2017-2025. Catering to this growth opportunity, Microsemi’s new IEEE 1588 timing synchronization module is designed specifically for such applications, which require much more precise timing, including base stations and small cell markets for 5G, 4G, 4G LTE, LTE-Advanced, microwave and millimeter wave based fixed wireless networks, smart grids and secure edge networks.
Other key features of Microsemi’s new IEEE 1588 timing synchronization module include:
- High accuracy timestamping of less than 4 nanoseconds
- Frequency and phase synchronization
- Holdover with initial accuracy of <1ppb and long-term holdover of 1.5µs over 24 hours using the appropriate performance OCXO
- Hitless reference switching
- Precision frequency and phase control
- Multiple profiles, including IEEE 1588-2008 Annex J.3 End-to-End
- IEEE 1588-2008 Annex J.4 Peer-to-Peer
- IEEE C37.238-2011 Power Profile
- ITU-T G.8275.1 Telecom Profile for Phase
- ITU-T G.8265.1 Telecom Profile for Frequency
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