Product category:
VMEbus Boards and Assemblies
News Release from: SBS Technologies | Subject: Telum GPSTC-AMC
Edited by the Electronicstalk Editorial
Team on 06 April 2006
AdvancedMC module synchronises with GPS
clock
The Telum GPSTC-AMC is an AdvancedMC module that uses a GPS clock to synchronise offsite network devices with other network devices.
This week at the Embedded Systems Conference in San Jose California, SBS Technologies, expanded its telecommunications product line with an AdvancedMC GPS module for AdvancedTCA and other communications systems The Telum GPSTC-AMC is an AdvancedMC module that uses a GPS (Global Positioning System) clock to synchronise offsite network devices with other network devices
This article was originally published on Electronicstalk on 19 Aug 2002 at 8.00am (UK)
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Typically, WiMAX (IEEE802.16) basestations do not have physical access to the telecomms network clocks that allow synchronisation with other devices on a given network.
The Telum GPSTC-AMC module solves the problem of offsite clock synchronisation by using a GPS satellite network, which provides extremely precise clock synchronisation for WiMAX basestations without restricting their placement.
"We are excited about delivering a GPS-based AdvancedMC Module to the telecommunications market".
"This module allows equipment to derive their clock synchronisation from GPS satellite networks and is a key enabler to the adoption of modular architectures for use in the next generation of communications equipment", said Rubin Dhillon, VP of Communications and Enterprise for SBS Technologies.
The Telum GPSTC-AMC provides a highly stable 30.72MHz clock output that is phase aligned to GPS-derived 1 pulse per second input providing extremely precise, highly reliable GPS clock synchronisation.
This AdvancedMC module also uses a temperature-compensated voltage-controlled crystal oscillator (TCVCXO) with a 30.72MHz centre frequency and a minimum Stratum 3 stability of 0.37ppm.
With its very low-jitter capability, the onboard crystal oscillator enables the GPSTC-AMC's microprocessor to filter out the short-term jitter that often affects GPS derived 1 pulse per second clocks while still allowing the microprocessor to take advantage of the oscillator's long term precision.
Phased error detection allows the GPS clock module to free run even if GPS input is lost.
An onboard Intelligent Platform Management Interface (IPMI) subsystem monitors board voltage and temperature conditions, maintains system status, and manages hot swap operation.
In accordance with the AMC.0 specification, the Telum GPSTC-AMC is hot swap capable and field replaceable.
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