IP and Ethernet Timing- NTP / PTP IEEE-1588v2 Products

StarClockTM TiemPoTM 6400
StarSyncTM Edge 6800
StarSyncTM 6850
Model 54582
Model 54583





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CXR Larus timing and synchronization solutions for modern Next Generation networks are ultra-high precision, high bandwidth, carrier-class network time servers, Precision Time Protocol (PTP IEEE-1588) Grandmaster Clocks and NTP Time Servers. Designed to support both IP and legacy networks, crucial timing and synchronization is delivered seamlessly to all layers of the network. CXR Larus' products enable operators and enterprises to achieve maximum operational efficiency while reducing network complexity and cost.

Download White Paper entitled: "Does Anybody Really Know What Time it is?"

Download White Paper entitled:"Synchronization Considerations in Deployment of IP Radio Access Network (RAN) Backhaul Topologies"

  • Click on icons below for more information on the individual products:
StarSyncTM Edge 6800 StarSyncTM 6850 StarClockTM TiemPo 6400 Models 54582/54583
GPS Stratum 1 NTP/PTP Client/ BITS Stratum 1 NTP/ PTP IEEE-1588V2 Grandmaster Clock/Server/BITS NextGen Synchronization Timing System Carrier Class NTP / PTP IEEE-1588v2 Timing Modules for StarClock 100/200/200E

Low Cost Next Gen solution perfect for remote hub or pedestal installations:

Extremely Compact footprint

Economical ITU Stratum over IP

PTP-IEEE-1588 Slave Clock

Full NTP Client

Integrated Web Server

Two T1 or E1 outputs

One 1PPS, 2PPS or 1PPM output

One 10/5/1 MHz Sine Wave output

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Versatile 1U chassis with carrier class features:

Full IP based redundancy

Offers ITU Stratum over IP

Nanosecond timestamp accuracy

Integrated Web Server

NTP/PTP based Bridging/Holdover

Up to 8 T1 or E1 outputs

Time of Day output

Pulse per Second output

IRIG-B Output

Two Composite Clock Outputs

10 MHz Sine Wave Output

1 or 5 MHz Sine Wave Output

OCXO or Rubidium Oscillators available

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Flexible and cost effective solution for TDM and Next Generation Packet Timing applications:

Optional Stratum 1 GPS receiver available, can be fully redundant

Up to 64 outputs (or 32 protected) from a 2U high chassis, with 5 software configurable inputs.

Expansion Shelves available to provide up to 576 outputs

Stratum 1 with Stratum 2E (Better than Stratum 2), or Stratum 3E holdover

Output cards include Universal DS1/E1/CC/2.048 SQ (software programmable)

Other output cards include IRIG-B, Time Code (1PPS/PPM/PPH), Retiming Insertion Unit (RTIU)

Optional NTP v4, SNTP v4 or PTP per IEEE-1588v2

Optional SNMP, CXRLive
TL1 Interface, or CXRPro Graphical User Interface

Fully NEBS Compliant

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Versions compatible with virtually all CXR Larus StarClock shelves

Versions to provide full Network Time Protocol, (NTP V3 and V4 , or Precision Time Protocol, (PTP IEEE-1588v2)

Adds seamless Next Generation capability to legacy installations without forklift upgrade

Hardware based 100 Mbps Wirespeed NTP processing

SNMP v2c or v3 software supported

TL1 Interface through craft port or
Telnet/SSH session

HTTP Web Interface

Local Serial RS-232 Craft Port

Two Front Panel Optical SFP  Connectors

Installation completely non-service affecting

Local indicators for operational verification

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